[
{"slug":"hubspot","name":"HubSpot","category":"CRM","vendor_site":"https://www.hubspot.com",
"summary":"HubSpot builds and maintains its own MCP connector. It's listed in Claude's connector directory and in ChatGPT's plugin directory. It can read contacts, companies, deals, tickets and engagement history, and it can create or update records.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Claude: Settings > Connectors > Browse > HubSpot > Connect. Needs a paid Claude plan (Pro, Max, Team or Enterprise)."},
"chatgpt":{"status":"Directory app/plugin","how":"ChatGPT: Settings > Plugins (or Apps) > HubSpot > Install, then sign in to HubSpot."},
"access":"Read/write","access_note":"Creates and updates CRM records and logs calls, meetings, tasks and notes. Bulk create and update are limited to 10 records at a time. Users only see what their HubSpot permissions already allow.",
"admin_setup":"Depends","admin_note":"Super Admins and users with App Marketplace Access can connect right away. Everyone else needs a Super Admin to approve the connector and pick its data permissions first.",
"requirements":"Works on any HubSpot plan. Some actions, like custom objects and campaign or landing page actions, need an eligible subscription.",
"mcp_url":"https://mcp.hubspot.com (custom clients: create an MCP connector under Development > MCP Connectors; OAuth with PKCE)",
"guide":"connect-hubspot-to-claude-and-chatgpt",
"sources":[
{"title":"HubSpot KB: Set up and use the HubSpot connector for Claude","url":"https://knowledge.hubspot.com/integrations/set-up-and-use-the-hubspot-connector-for-claude"},
{"title":"HubSpot KB: Set up and use the HubSpot connector for ChatGPT","url":"https://knowledge.hubspot.com/integrations/connect-your-hubspot-account-to-chatgpt"},
{"title":"HubSpot for ChatGPT","url":"https://www.hubspot.com/chatgpt"},
{"title":"HubSpot developer docs: remote MCP server","url":"https://developers.hubspot.com/docs/apps/developer-platform/build-apps/integrate-with-the-remote-hubspot-mcp-server"}]},

{"slug":"salesforce","name":"Salesforce","category":"CRM","vendor_site":"https://www.salesforce.com",
"summary":"Salesforce Hosted MCP Servers became generally available on April 29, 2026 for Enterprise Edition orgs and above. An admin turns on a server and registers an External Client App. Then Claude, ChatGPT or another MCP client connects with per-user OAuth. There's also a separate Agentforce Sales app in ChatGPT's directory.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Add a custom connector with your org's hosted MCP server URL and the External Client App's consumer key. Salesforce lists Claude as a tested client."},
"chatgpt":{"status":"Directory app/plugin","how":"The Agentforce Sales app appears in OpenAI's app directory (beta). The hosted MCP servers also work with ChatGPT through developer mode and connectors."},
"access":"Read/write","access_note":"The SObject tools read, create, update and delete records, and they respect field-level security and sharing rules. Salesforce suggests starting with the read-only platform/sobject-reads server.",
"admin_setup":"Yes","admin_note":"An admin turns on a server under Setup > API Catalog > MCP Servers and creates an External Client App with the mcp_api and refresh_token scopes. Connected Apps can't be used.",
"requirements":"Enterprise Edition or above. Salesforce says hosted MCP servers are meant for customers with Flex Credits, and usage may be billed. The Agentforce Sales ChatGPT app has its own edition and add-on requirements.",
"mcp_url":"https://api.salesforce.com/platform/mcp/v1/platform/<server-name> (sandbox URLs use /sandbox/)",
"guide":null,
"sources":[
{"title":"Salesforce Developers: Hosted MCP Servers, Get Started","url":"https://developer.salesforce.com/docs/platform/hosted-mcp-servers/guide/hosted-mcp-servers-overview.html"},
{"title":"Salesforce Developers Blog: Hosted MCP Servers are GA (Apr 29, 2026)","url":"https://developer.salesforce.com/blogs/2026/04/salesforce-hosted-mcp-servers-are-now-generally-available"},
{"title":"Salesforce Developers: Connect MCP clients","url":"https://developer.salesforce.com/docs/platform/hosted-mcp-servers/guide/client-connection-overview.html"},
{"title":"OpenAI: Agentforce Sales app","url":"https://openai.com/business/apps/agentforce-sales/"}]},

{"slug":"pipedrive","name":"Pipedrive","category":"CRM","vendor_site":"https://www.pipedrive.com",
"summary":"Pipedrive launched its own MCP server on June 30, 2026, and on August 18, 2026 it was added to Claude's official connector directory. It finds and updates deals, contacts, organizations, activities and leads.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Find Pipedrive in Claude's connector directory and connect with OAuth. You don't need to configure a server URL."},
"chatgpt":{"status":"Custom app (developer mode)","how":"Pipedrive's KB article (updated Oct 15, 2026) says to turn on developer mode, create a plugin named 'Pipedrive MCP' with the URL https://mcp.pipedrive.ai/mcp, and approve it in Pipedrive. Pipedrive's feature page also calls it an official ChatGPT connector."},
"access":"Read/write","access_note":"It can find deals, update records, add notes and create or update activities and leads. All actions follow the user's Pipedrive permissions and show up in Pipedrive's change log.",
"admin_setup":"Depends","admin_note":"You need permission to install apps in the Pipedrive account. On ChatGPT, developer mode has to be turned on.",
"requirements":"Available on every Pipedrive plan, with token limits by plan (you can buy more). The ChatGPT route needs a Pro, Business, Enterprise or Edu plan.",
"mcp_url":"https://mcp.pipedrive.ai/mcp",
"guide":"connect-pipedrive-to-claude-and-chatgpt",
"sources":[
{"title":"Pipedrive: MCP server feature page","url":"https://www.pipedrive.com/en/features/mcp-server"},
{"title":"Pipedrive newsroom: native MCP server launch (Jun 30, 2026)","url":"https://www.pipedrive.com/en/newsroom/pipedrive-launches-native-mcp-server-bringing-crm-workflows-directly-into-ai-assistants"},
{"title":"Pipedrive newsroom: listed in Claude's marketplace (Aug 18, 2026)","url":"https://www.pipedrive.com/en/newsroom/pipedrive-mcp-connector-is-now-available-in-claudes-official-marketplace"},
{"title":"Pipedrive KB: Pipedrive MCP for ChatGPT","url":"https://support.pipedrive.com/en/article/mcp-chatgpt"},
{"title":"Claude: Pipedrive connector","url":"https://claude.com/marketplace/connectors/pipedrive-mcp"}]},

{"slug":"apollo","name":"Apollo.io","category":"Sales intelligence & engagement","vendor_site":"https://www.apollo.io",
"summary":"Apollo builds and maintains its own connector, and it runs on Apollo MCP. It handles prospect search, enrichment, email and phone validation, contact updates, sequences, tasks and team analytics.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Claude: Customize > Connectors > search 'Apollo.io' > Connect > Authorize. Apollo labels it beta. It works on any Claude plan, including free."},
"chatgpt":{"status":"Directory app/plugin","how":"Apollo says to find it in ChatGPT's connectors or plugins directory and sign in with OAuth."},
"access":"Read/write","access_note":"It creates and updates contacts, sends one-off emails, builds sequences and adds contacts to them, and manages tasks. In Claude you can set each action to Always allow, Approval required or Blocked.",
"admin_setup":"No","admin_note":"Each user sets it up for themselves. There's no team or admin install.",
"requirements":"You must sign in to Apollo with a work email. Some actions use credits. Apollo requires you to turn off model training in your AI account before you connect.",
"mcp_url":"https://mcp.apollo.io/mcp (Streamable HTTP, OAuth 2.0)",
"guide":"connect-apollo-to-claude",
"sources":[
{"title":"Apollo KB: Integrate Apollo with Claude (updated Oct 26, 2026)","url":"https://knowledge.apollo.io/hc/en-us/articles/43827318678541-Integrate-Apollo-with-Claude"},
{"title":"Apollo docs: Apollo MCP","url":"https://docs.apollo.io/docs/apollo-mcp"},
{"title":"Apollo: MCP product page","url":"https://www.apollo.io/product/mcp"}]},

{"slug":"zoominfo","name":"ZoomInfo","category":"Sales intelligence","vendor_site":"https://www.zoominfo.com",
"summary":"ZoomInfo runs its own hosted MCP server. It covers company and contact search, enrichment, intent signals, audience building and account research. It's a native connector in Claude, ChatGPT and Perplexity, and an official plugin for Claude Code and Codex.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Claude: Settings > Connectors > search ZoomInfo > Connect, then sign in with ZoomInfo or SSO."},
"chatgpt":{"status":"Directory app/plugin","how":"ChatGPT: Apps panel > search ZoomInfo > Connect."},
"access":"unverified","access_note":"The docs describe search, enrichment and audience building. We couldn't confirm whether it writes data back into ZoomInfo or your CRM.",
"admin_setup":"unverified","admin_note":"The docs list license and credit requirements but don't mention an admin approval step.",
"requirements":"You need a ZoomInfo license (GTM.ai self-serve or Enterprise). Your plan's API limits and credits apply. ZoomInfo requires model training to be off.",
"mcp_url":"https://mcp.zoominfo.com/mcp",
"guide":null,
"sources":[
{"title":"ZoomInfo docs: Connect to ZoomInfo MCP","url":"https://docs.zoominfo.com/docs/connect-to-zoominfo-mcp"},
{"title":"ZoomInfo MCP solution page","url":"https://www.zoominfo.com/solutions/zoominfo-mcp"},
{"title":"Claude marketplace: ZoomInfo plugin","url":"https://claude.com/marketplace/plugins/zoominfo"}]},

{"slug":"clay","name":"Clay","category":"Enrichment","vendor_site":"https://www.clay.com",
"summary":"Clay's official connector finds people and companies, enriches contacts from Clay's data providers and drafts outreach inside the chat. It can also run Clay Functions that your ops team has built.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Connect it from Claude's Connectors page. A free Claude account is enough."},
"chatgpt":{"status":"Directory app/plugin","how":"Type @Clay (browser) or /Clay (desktop app) in ChatGPT, then sign in to Clay. Clay also appears on OpenAI's app integrations page."},
"access":"Read/write","access_note":"It runs searches, enrichments and Functions that use Clay credits. 'Open in Clay' creates a table. By default it can't reach Sequencer unless a Function sends contacts there.",
"admin_setup":"Depends","admin_note":"On Claude Enterprise, an admin must add the connector first. Clay workspace admins set credit limits and Function access under Settings > MCP users.",
"requirements":"You get 500 free Clay credits the first time you connect. After that, it uses your Clay plan's credits.",
"mcp_url":"unverified",
"guide":null,
"sources":[
{"title":"Clay Docs: Using Clay in Claude","url":"https://university.clay.com/docs/using-clay-in-claude"},
{"title":"Clay Docs: Using Clay in ChatGPT","url":"https://university.clay.com/docs/using-clay-in-chatgpt"},
{"title":"Clay Docs: MCP in Clay (admin settings)","url":"https://university.clay.com/docs/mcp-settings"},
{"title":"OpenAI: app integrations directory","url":"https://openai.com/business/apps/"}]},

{"slug":"gong","name":"Gong","category":"Call & conversation intelligence","vendor_site":"https://www.gong.io",
"summary":"Gong's MCP server gives you AI-written answers and briefs about accounts, deals and contacts, based on calls and emails. There are three tools: ask_account, ask_deal and generate_brief. It doesn't return raw transcripts.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"A Gong tech admin creates an MCP integration under Admin Center > Settings > MCP. Then each user adds a custom Claude connector at https://mcp.gong.io/mcp with the client ID and secret, and signs in to Gong."},
"chatgpt":{"status":"Directory app/plugin","how":"Gong says a tech admin can turn it on for ChatGPT, and the 'automatic' registration type connects through the ChatGPT Apps directory."},
"access":"Read-only","access_note":"Gong's docs say the server is read-only and never creates, updates or deletes data in Gong or the CRM. Private calls are left out.",
"admin_setup":"Yes","admin_note":"A Gong tech admin has to turn it on. They choose manual or automatic registration and personal or shared access.",
"requirements":"Available on any Gong plan. Access depends on the user's assigned seat.",
"mcp_url":"https://mcp.gong.io/mcp",
"guide":null,
"sources":[
{"title":"Gong Help: About Gong MCP server","url":"https://help.gong.io/docs/about-gong-mcp-server"},
{"title":"Gong Collective: Claude MCP client","url":"https://collective.gong.io/integrations/claude-mcp-client"},
{"title":"Gong Collective: ChatGPT MCP client","url":"https://collective.gong.io/integrations/chatgpt-mcp-client"}]},

{"slug":"outreach","name":"Outreach","category":"Sales engagement","vendor_site":"https://www.outreach.io",
"summary":"The Outreach MCP Server exposes accounts, prospects, opportunities, sequences, tasks, Kaia call transcripts and emails. Outreach also lists an official connector in Claude.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Claude: Customize > Connectors > Browse Connectors > search 'Outreach' > Connect."},
"chatgpt":{"status":"Custom app (developer mode)","how":"Turn on developer mode and create a custom connector with the URL https://api.outreach.io/mcp/ and OAuth."},
"access":"Read/write","access_note":"It can read, create and delete records, but it can't update existing ones. Outreach says this is on purpose. Admins decide whether create (on by default) and delete (off by default) are allowed.",
"admin_setup":"Yes","admin_note":"An Outreach admin turns on the MCP Server under Administration > Organization > Org Info.",
"requirements":"Users need an active licensed seat, and the org needs the Amplify add-on with active credits. API throttle limits apply.",
"mcp_url":"https://api.outreach.io/mcp",
"guide":null,
"sources":[
{"title":"Outreach Support: Outreach MCP Server Overview","url":"https://support.outreach.io/support/solutions/articles/159000425158-outreach-mcp-server-overview"},
{"title":"Outreach Support: Use Outreach MCP with Claude","url":"https://support.outreach.io/support/solutions/articles/159000435681-use-outreach-mcp-with-claude"},
{"title":"Outreach Support: Ask Outreach via ChatGPT","url":"https://support.outreach.io/support/solutions/articles/159000429132-ask-outreach-via-chatgpt"}]},

{"slug":"salesloft","name":"Salesloft","category":"Sales engagement","vendor_site":"https://www.salesloft.com",
"summary":"Salesloft's MCP Server lets authorized customers on its Agentic packages query live Salesloft data from Claude Desktop and ChatGPT.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Claude Desktop: Customize > Connectors > Browse connectors > Salesloft > authorize."},
"chatgpt":{"status":"Custom app (developer mode)","how":"ChatGPT Business or Enterprise: add a custom plugin with the URL https://mcp.salesloft.com/sse and Dynamic Client Registration, then sign in to Salesloft."},
"access":"unverified","access_note":"Search results for Salesloft's help center describe read-only tools, and Salesloft has announced write-back. The help center page wouldn't load for us, so we couldn't confirm this directly.",
"admin_setup":"Yes","admin_note":"An admin turns it on under Settings > Artificial Intelligence > Salesloft MCP.",
"requirements":"Only for customers on Salesloft's Agentic packages. The ChatGPT route needs Business or Enterprise.",
"mcp_url":"https://mcp.salesloft.com/sse",
"guide":null,
"sources":[
{"title":"Salesloft Help: Salesloft MCP Server Overview","url":"https://help.salesloft.com/s/article/Salesloft-MCP-Server"},
{"title":"Salesloft Help: Connect Salesloft MCP Server in ChatGPT","url":"https://help.salesloft.com/s/article/Connect-Salesloft-MCP-Server-in-ChatGPT"},
{"title":"Salesloft Help: Connect Salesloft MCP Server in Claude Desktop","url":"https://help.salesloft.com/s/article/Set-Up-the-Salesloft-MCP-Server-Claude"},
{"title":"Salesloft newsroom: MCP Server","url":"https://www.salesloft.com/company/newsroom/salesloft-mcp-server-revenue-data-ai-ecosystem"}]},

{"slug":"attio","name":"Attio","category":"CRM","vendor_site":"https://attio.com",
"summary":"Attio hosts its own MCP server for searching and updating CRM records, notes, tasks, lists and activities. It uses OAuth, so you don't need an API key.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Install the Attio connector in Claude, or add https://mcp.attio.com/mcp as a custom connector."},
"chatgpt":{"status":"Directory app/plugin","how":"Search for Attio in ChatGPT's Apps and connect."},
"access":"Read/write","access_note":"Reads run without asking. Writes ask you to confirm first. It acts as your Attio user, with your permissions.",
"admin_setup":"unverified","admin_note":"Attio's docs don't mention an admin approval step.",
"requirements":"An Attio account.",
"mcp_url":"https://mcp.attio.com/mcp",
"guide":null,
"sources":[
{"title":"Attio Docs: Attio MCP overview","url":"https://docs.attio.com/mcp/overview"},
{"title":"Attio Help: Attio MCP","url":"https://attio.com/help/reference/attio-ai/attio-mcp"},
{"title":"Attio: MCP integration page","url":"https://attio.com/apps/mcp"}]},

{"slug":"amplemarket","name":"Amplemarket","category":"Sales engagement","vendor_site":"https://www.amplemarket.com",
"summary":"Amplemarket's MCP covers its prospect database, enrichment, lead lists, sequences, Duo leads, inbox, tasks, call transcripts and analytics. It has one of the broadest tool sets we've seen for outbound.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"In Amplemarket, go to Settings > Integrations > Claude > Connect. That opens Claude's Add connector dialog. As of its KB update, Amplemarket says it's still working on a listing in Claude's directory."},
"chatgpt":{"status":"Directory app/plugin","how":"In Amplemarket, go to Settings > Integrations > ChatGPT > Connect. That opens the official Amplemarket plugin page in ChatGPT."},
"access":"Read/write","access_note":"Amplemarket says the server asks for read and write access. It creates lead lists and sequences, enrolls leads, drafts replies and completes tasks. Workflow creation is for admins only.",
"admin_setup":"No","admin_note":"Each user signs in for themselves. On Claude Team or Enterprise, an Owner has to allow connectors first.",
"requirements":"An active Amplemarket account. Custom connectors in Claude need Pro, Max, Team or Enterprise. Enrichment uses 0.5 credits per lookup. The limit is 100 requests per minute per user.",
"mcp_url":"https://mcp.amplemarket.com/mcp",
"guide":null,
"sources":[
{"title":"Amplemarket KB: Amplemarket MCP","url":"https://knowledge.amplemarket.com/articles/8022685319-connecting-to-the-amplemarket-mcp-server"},
{"title":"Amplemarket: MCP page","url":"https://www.amplemarket.com/mcp"}]},

{"slug":"clari","name":"Clari (Copilot)","category":"Revenue & conversation intelligence","vendor_site":"https://www.clari.com",
"summary":"Clari runs a hosted MCP server that exposes Clari Copilot (call intelligence) tools to outside AI assistants. Clari and Salesloft announced MCP access to revenue data in April 2026.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Add https://mcp.clari.com/mcp as a custom connector and sign in with OAuth. We couldn't confirm whether it's also listed in Claude's directory."},
"chatgpt":{"status":"Custom app (developer mode)","how":"Add it as a custom connector. This needs ChatGPT Business or Enterprise."},
"access":"unverified","access_note":"We couldn't confirm from Clari's own docs whether the tools are read-only.",
"admin_setup":"Yes","admin_note":"A Copilot admin turns on Copilot Settings > AI Features > 'Copilot tools for MCP'.",
"requirements":"Clari Copilot. ChatGPT Business or Enterprise for the ChatGPT route.",
"mcp_url":"https://mcp.clari.com/mcp",
"guide":null,
"sources":[
{"title":"Clari Community: August 2026 release notes","url":"https://community.clari.com/product-updates/august-2026-new-feature-release-notes-3009"},
{"title":"Business Wire: Clari + Salesloft open revenue data to external AI with MCP (Apr 2026)","url":"https://www.businesswire.com/news/home/20260414171093/en/Clari-Salesloft-Connect-Forecasting-to-Execution-Open-Revenue-Data-to-External-AI-with-MCP-Server"}]},

{"slug":"zoom","name":"Zoom","category":"Meetings","vendor_site":"https://www.zoom.com",
"summary":"Zoom for Claude searches your meetings, Zoom Chat and Zoom Canvas. It pulls AI summaries, transcripts, next steps and recordings, and it can create follow-up Zoom Docs.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Install Zoom from Claude's Connectors Directory and complete OAuth. Custom clients can use Zoom's MCP servers directly."},
"chatgpt":{"status":"unverified","how":"We didn't find a Zoom page about ChatGPT."},
"access":"Read/write","access_note":"It's mostly read. It can also create follow-up Zoom Canvas docs from Markdown after you confirm.",
"admin_setup":"Yes","admin_note":"Zoom lists 'a Zoom account owner or admin with privileges' as an authentication requirement. AI Companion Smart Recording and Meeting Summary have to be on for full functionality.",
"requirements":"A licensed user on Zoom Workplace Pro, Business, Enterprise or higher. You only see meetings you hosted or were given access to.",
"mcp_url":"https://mcp.zoom.us/mcp/zoom/streamable (custom clients, user-level OAuth)",
"guide":null,
"sources":[
{"title":"Zoom Developers: Zoom for Claude Connector","url":"https://developers.zoom.us/docs/mcp/plug-ins-and-connectors/claude-connector/"},
{"title":"Zoom Developers: Connect to Zoom MCP servers","url":"https://developers.zoom.us/docs/mcp/servers/connect-to-zoom-mcp-servers/"},
{"title":"Zoom Support: Using the Zoom for Claude app","url":"https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0085220"}]},

{"slug":"slack","name":"Slack","category":"Collaboration","vendor_site":"https://slack.com",
"summary":"Slack's official MCP server lets AI assistants search channels, read threads, send messages and create or update canvases. Workspace admins approve and manage each MCP client.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Slack appears in Claude's connector directory. Setup steps are on docs.slack.dev."},
"chatgpt":{"status":"Directory app/plugin","how":"Use the Slack app or plugin in ChatGPT. Admins control availability and actions in the ChatGPT admin console."},
"access":"Read/write","access_note":"It searches and reads messages and threads, sends messages, creates channels and creates or updates canvases.",
"admin_setup":"Depends","admin_note":"If your workspace requires app approval, a Slack admin has to approve the MCP integration before anyone can sign in.",
"requirements":"A Slack workspace. Slack admin approval may apply.",
"mcp_url":"See Slack docs (official remote server)",
"guide":null,
"sources":[
{"title":"Slack Developer Docs: Slack MCP server overview","url":"https://docs.slack.dev/ai/slack-mcp-server"},
{"title":"Slack Developer Docs: Connect to Claude","url":"https://docs.slack.dev/ai/slack-mcp-server/connect-to-claude"},
{"title":"OpenAI Help: Using Slack in ChatGPT","url":"https://help.openai.com/en/articles/12525822-using-slack-in-chatgpt"},
{"title":"Slack Developer Docs: Admin approval for MCP apps","url":"https://docs.slack.dev/ai/slackbot-mcp-client/admin-approval"}]},

{"slug":"gmail","name":"Gmail","category":"Email & calendar","vendor_site":"https://workspace.google.com/products/gmail/",
"summary":"Gmail connects to Claude through Anthropic's own Google Workspace connector, which Anthropic marks as verified, and to ChatGPT through OpenAI's Gmail app. For a rep, it's an easy way to prep for meetings and draft follow-ups.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Claude: Connectors > Gmail. On Team and Enterprise, an Owner enables it for the org first."},
"chatgpt":{"status":"Directory app/plugin","how":"Gmail is listed in ChatGPT's app and plugin directory."},
"access":"Read/write","access_note":"In Claude, it can search, send, reply and forward. Sending asks for approval by default. We haven't checked ChatGPT's write abilities, so this column reflects Claude.",
"admin_setup":"Depends","admin_note":"On Claude Team and Enterprise, an Owner or Primary Owner has to enable Google Workspace connectors before users can sign in.",
"requirements":"Claude Pro, Max, Team or Enterprise. Any ChatGPT plan where the app is allowed.",
"mcp_url":"n/a (built-in connector)",
"guide":null,
"sources":[
{"title":"Claude Help: Use Google Workspace connectors","url":"https://support.claude.com/en/articles/10166901-use-google-workspace-connectors"},
{"title":"Claude: Connectors directory","url":"https://claude.com/connectors"},
{"title":"OpenAI: Plugins / app integrations","url":"https://openai.com/business/apps/"}]},

{"slug":"google-calendar","name":"Google Calendar","category":"Email & calendar","vendor_site":"https://workspace.google.com/products/calendar/",
"summary":"Google Calendar connects to Claude through Anthropic's own Google Workspace connector, which Anthropic marks as verified, and to ChatGPT through OpenAI's Calendar app. It's useful for daily prep and scheduling.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Claude: Connectors > Google Calendar."},
"chatgpt":{"status":"Directory app/plugin","how":"Google Calendar is listed in ChatGPT's app and plugin directory. OpenAI says it can look up events and availability."},
"access":"Read/write","access_note":"In Claude, it can create, update and delete events, manage attendees and answer invites. We haven't checked ChatGPT's write abilities.",
"admin_setup":"Depends","admin_note":"On Claude Team and Enterprise, an Owner has to enable it for the org first.",
"requirements":"Claude Pro, Max, Team or Enterprise.",
"mcp_url":"n/a (built-in connector)",
"guide":null,
"sources":[
{"title":"Claude Help: Use Google Workspace connectors","url":"https://support.claude.com/en/articles/10166901-use-google-workspace-connectors"},
{"title":"Claude: Google Calendar connector","url":"https://claude.com/marketplace/connectors/google-calendar"},
{"title":"OpenAI: Plugins / app integrations","url":"https://openai.com/business/apps/"}]},

{"slug":"microsoft-365","name":"Microsoft 365 (Outlook, Teams)","category":"Email & calendar","vendor_site":"https://www.microsoft.com/microsoft-365",
"summary":"Claude's Microsoft 365 connector reaches SharePoint, OneDrive, Outlook and Teams. ChatGPT has separate Outlook Email, Outlook Calendar, Teams and SharePoint apps.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Customize > Connectors > Microsoft 365, then sign in with your work account."},
"chatgpt":{"status":"Directory app/plugin","how":"Outlook Email, Outlook Calendar, Microsoft Teams and SharePoint are listed in ChatGPT's directory."},
"access":"unverified","access_note":"We didn't confirm which actions can write data in either assistant.",
"admin_setup":"Yes","admin_note":"For Claude, a Microsoft Entra Global Administrator has to grant tenant-wide admin consent once. On Team and Enterprise, a Claude Owner also has to enable the connector.",
"requirements":"A Microsoft 365 work account. Your tenant's admin has to consent.",
"mcp_url":"n/a (built-in connector)",
"guide":null,
"sources":[
{"title":"Claude Help: Set up the Microsoft 365 connector","url":"https://support.claude.com/en/articles/12542951-set-up-the-microsoft-365-connector"},
{"title":"OpenAI: Plugins / app integrations","url":"https://openai.com/business/apps/"}]},

{"slug":"notion","name":"Notion","category":"Knowledge & docs","vendor_site":"https://www.notion.com",
"summary":"Notion hosts its own MCP server. AI assistants can search, read, create and update pages and databases you have access to. It's handy for account plans, battlecards and deal notes.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Customize > Connectors > Notion, or add https://mcp.notion.com/mcp as a custom connector."},
"chatgpt":{"status":"Directory app/plugin","how":"Settings > Apps (Plugins) > Notion, then complete OAuth."},
"access":"Read/write","access_note":"It reads, creates and updates Notion content, and it can create pages and databases.",
"admin_setup":"No","admin_note":"Workspace owners can manage or limit MCP clients under Settings > Notion MCP > Manage workspace clients.",
"requirements":"A Notion account.",
"mcp_url":"https://mcp.notion.com/mcp",
"guide":null,
"sources":[
{"title":"Notion Docs: Notion MCP overview","url":"https://developers.notion.com/guides/mcp/overview"},
{"title":"Notion Docs: Connect to Notion MCP","url":"https://developers.notion.com/guides/mcp/get-started-with-mcp"},
{"title":"Notion Help: Connect AI tools with Notion MCP","url":"https://www.notion.com/help/notion-mcp"}]},

{"slug":"close","name":"Close","category":"CRM","vendor_site":"https://www.close.com",
"summary":"Close runs its own remote MCP server with OAuth and dynamic client registration. There are three levels of access: Read, Write safe and Write destructive.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Close has a listing in Claude's marketplace. Setup steps are in Close's help center."},
"chatgpt":{"status":"Directory app/plugin","how":"Install the 'Close CRM for ChatGPT' plugin and sign in to Close."},
"access":"Read/write","access_note":"mcp.read is read-only. mcp.write_safe can create records. mcp.write_destructive can edit and delete.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"A Close account. API-key headers also work for custom clients.",
"mcp_url":"https://mcp.close.com/mcp",
"guide":null,
"sources":[
{"title":"Close Help: Close MCP Server","url":"https://help.close.com/integrations/close-mcp-server"},
{"title":"Close Help: Close MCP Tools","url":"https://help.close.com/integrations/close-mcp-server/close-mcp-tools"},
{"title":"Claude: Close connector","url":"https://claude.com/marketplace/connectors/close"}]},

{"slug":"zoho-crm","name":"Zoho CRM","category":"CRM","vendor_site":"https://www.zoho.com/crm/",
"summary":"Zoho CRM offers ready-made MCP servers for Data Insights (read-only), Data Operations, Module Customization and Workflow/Process Automation.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Claude Desktop: Customize > Connectors > Add Custom Connector, then paste your server URL and sign in."},
"chatgpt":{"status":"Custom app (developer mode)","how":"Create a custom app under Settings > Apps, paste the MCP URL and choose OAuth."},
"access":"Read/write","access_note":"Data Insights is read-only. The Data Operations server can change records. It depends on which server you set up.",
"admin_setup":"unverified","admin_note":"Access follows your CRM user permissions. We didn't confirm whether an admin has to approve it.",
"requirements":"A Zoho CRM account.",
"mcp_url":"Per-server URL generated in Zoho MCP",
"guide":null,
"sources":[
{"title":"Zoho CRM MCP: Overview","url":"https://www.zoho.com/crm/developer/docs/mcp/overview.html"},
{"title":"Zoho CRM MCP: Claude setup guide","url":"https://www.zoho.com/crm/developer/docs/mcp/setup/claude.html"},
{"title":"Zoho MCP implementation guide","url":"https://help.zoho.com/portal/en/kb/mcp/implementation-guide/articles/zoho-mcp-implementation-guide"}]},

{"slug":"dynamics-365-sales","name":"Microsoft Dynamics 365 Sales","category":"CRM","vendor_site":"https://www.microsoft.com/dynamics-365/products/sales",
"summary":"The Dynamics 365 Sales MCP Server is in preview. It mainly targets Microsoft Copilot Studio agents. Microsoft says Claude Desktop isn't supported yet, but Claude Code can connect through the Agent 365 Tooling Gateway.",
"official":"Yes",
"claude":{"status":"Not supported","how":"Microsoft says Claude Desktop isn't supported at this time. Claude Code can connect through the Agent 365 Tooling Gateway."},
"chatgpt":{"status":"unverified","how":"We didn't find Microsoft docs for ChatGPT."},
"access":"unverified","access_note":"Microsoft's example prompts are reads. We didn't confirm write tools.",
"admin_setup":"Yes","admin_note":"You need admin rights in both Dynamics 365 Sales and Copilot Studio.",
"requirements":"Preview feature. Copilot Studio licensing applies.",
"mcp_url":"Via Copilot Studio / Agent 365 Tooling Gateway",
"guide":null,
"sources":[
{"title":"Microsoft Learn: Connect AI agents to Dynamics 365 Sales MCP Server","url":"https://learn.microsoft.com/en-us/dynamics365/sales/connect-agents-to-model-context-protocol"},
{"title":"Microsoft Learn: Dynamics 365 Sales MCP overview","url":"https://learn.microsoft.com/en-us/dynamics365/sales/model-context-protocol-sales-overview"},
{"title":"Microsoft Learn: Connect via Agent 365 Tooling Gateway","url":"https://learn.microsoft.com/en-us/dynamics365/sales/developer/connect-sales-mcp-server-agent365-tooling-gateway"}]},

{"slug":"monday-crm","name":"monday CRM","category":"CRM","vendor_site":"https://monday.com/crm",
"summary":"monday.com hosts MCP access for boards, tasks and CRM workflows. In Claude, the monday CRM plugin adds deal briefings, forecasts and pipeline cleanup.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"monday.com is listed in Claude's connector directory. Authorize with OAuth."},
"chatgpt":{"status":"Directory app/plugin","how":"ChatGPT: Settings > Apps > monday.com."},
"access":"Read/write","access_note":"monday's Claude listing describes managing boards, tasks and CRM workflows.",
"admin_setup":"Yes","admin_note":"An admin has to enable AI Connectors/MCP under Admin > Permissions > AI Connectors.",
"requirements":"A monday.com account.",
"mcp_url":"See monday.com support",
"guide":null,
"sources":[
{"title":"monday Support: Connect monday MCP with Claude","url":"https://support.monday.com/hc/en-us/articles/28515704603666-Connect-monday-MCP-with-Claude"},
{"title":"monday Support: Connect monday MCP with ChatGPT","url":"https://support.monday.com/hc/en-us/articles/29491651933074-Connect-monday-MCP-with-ChatGPT"},
{"title":"monday Support: Managing AI Connectors and MCP Access","url":"https://support.monday.com/hc/en-us/articles/35696101067154-Managing-AI-Connectors-and-MCP-Access"},
{"title":"Claude: Connectors directory","url":"https://claude.com/connectors"}]},

{"slug":"lusha","name":"Lusha","category":"Enrichment","vendor_site":"https://www.lusha.com",
"summary":"Lusha runs its own MCP server for contact and company enrichment and prospecting. Its connectors are listed in Claude's and ChatGPT's directories.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Add Lusha from Claude's connector directory and complete OAuth. There's also a Lusha plugin for Claude."},
"chatgpt":{"status":"Directory app/plugin","how":"Search 'Lusha' at chatgpt.com/apps > Connect > OAuth."},
"access":"unverified","access_note":"It enriches and prospects. We didn't confirm whether it has any write actions.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"MCP calls use the same credit pool as Lusha's REST API. Other clients authenticate with an x-api-key header.",
"mcp_url":"https://mcp.lusha.com",
"guide":null,
"sources":[
{"title":"Lusha Docs: Lusha MCP Server","url":"https://docs.lusha.com/mcp-docs"},
{"title":"Lusha Knowledge Hub: Lusha plugin for Claude","url":"https://docs.lusha.com/user-guide/mcp/how-to-use-the-lusha-plugin-for-claude"},
{"title":"Lusha: ChatGPT integration","url":"https://www.lusha.com/integrations/chatgpt/"}]},

{"slug":"cognism","name":"Cognism","category":"Sales intelligence","vendor_site":"https://www.cognism.com",
"summary":"Cognism hosts its own MCP server for company search, audience counts and contact data, all within your existing Cognism permissions.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Add a custom connector with the URL https://mcp.cognism.com/mcp and sign in."},
"chatgpt":{"status":"Custom app (developer mode)","how":"Settings > Connectors > Create, then paste the URL and choose OAuth. A workspace admin has to turn on developer mode."},
"access":"Read-only","access_note":"Searches and contact reveals use tokens or credits.",
"admin_setup":"Yes","admin_note":"Your Cognism admin has to set you up for API/MCP sign-in.",
"requirements":"A Cognism account set up for API/MCP sign-in.",
"mcp_url":"https://mcp.cognism.com/mcp",
"guide":null,
"sources":[
{"title":"Cognism Docs: MCP server","url":"https://docs.cognism.com/docs/mcp-server"},
{"title":"Cognism blog: MCP connector for Claude and ChatGPT","url":"https://www.cognism.com/blog/mcp-connector-claude-chatgpt"}]},

{"slug":"6sense","name":"6sense","category":"Intent & ABM","vendor_site":"https://6sense.com",
"summary":"6sense's own MCP server brings account intelligence and a read-only subset of its Revvy AI into Claude and ChatGPT.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Settings > Connectors > Browse > 6sense, then authorize."},
"chatgpt":{"status":"Directory app/plugin","how":"Install the 6sense plugin, or add https://api.6sense.com/mcp as a custom connector with OAuth."},
"access":"Read-only","access_note":"6sense's FAQ says this release is read-only and doesn't change 6sense data.",
"admin_setup":"No","admin_note":"Each user authorizes on their own. Your AI platform admin may still need to allow the connector.",
"requirements":"A 6sense account.",
"mcp_url":"https://api.6sense.com/mcp",
"guide":null,
"sources":[
{"title":"6sense Support: MCP FAQ","url":"https://support.6sense.com/docs/6sense-mcp-faq"},
{"title":"6sense Support: Set up the 6sense MCP in Claude","url":"https://support.6sense.com/docs/set-up-the-6sense-mcp-in-claude"},
{"title":"6sense Support: Set up the 6sense MCP in ChatGPT","url":"https://support.6sense.com/docs/set-up-the-6sense-mcp-in-chatgpt"}]},

{"slug":"demandbase","name":"Demandbase","category":"Intent & ABM","vendor_site":"https://www.demandbase.com",
"summary":"Demandbase announced a hosted MCP server in its April 2026 product update. Most of the setup details we found come from third-party directories, so a lot of this listing is unconfirmed.",
"official":"Yes",
"claude":{"status":"unverified","how":"Third-party directories describe a Claude connector or plugin. We didn't confirm it in Demandbase's own docs."},
"chatgpt":{"status":"unverified","how":"Not found."},
"access":"unverified","access_note":"Not confirmed.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"unverified",
"mcp_url":"unverified (third-party directories list gateway.demandbase.com/mcp/servers/db-mcp)",
"guide":null,
"sources":[
{"title":"Demandbase Help: April 2026 Product Update","url":"https://support.demandbase.com/hc/en-us/articles/48876024044699-April-2026-Product-Update"}]},

{"slug":"common-room","name":"Common Room","category":"Signals & intent","vendor_site":"https://www.commonroom.io",
"summary":"Common Room's MCP server connects AI assistants to its GTM signals, contact enrichment and prospect data. It can also create and update objects in your workspace.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Connectors > Manage > Common Room, then complete OAuth. There's also a Common Room plugin."},
"chatgpt":{"status":"Directory app/plugin","how":"Install the official Common Room app, then turn it on in a chat under + > More."},
"access":"Read/write","access_note":"Common Room's docs say any compatible client can query and update your workspace, within your permissions.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"A Common Room workspace.",
"mcp_url":"https://mcp.commonroom.io/mcp (OAuth 2.1)",
"guide":null,
"sources":[
{"title":"Common Room Docs: MCP Server","url":"https://www.commonroom.io/docs/using-common-room/mcp-server/"},
{"title":"Common Room Docs: Claude connector and plugin","url":"https://www.commonroom.io/docs/using-common-room/common-room-for-claude-connector-and-plugin/"}]},

{"slug":"crunchbase","name":"Crunchbase","category":"Company data","vendor_site":"https://www.crunchbase.com",
"summary":"Crunchbase runs its own MCP server for company, funding and investor research. It can also create and manage Crunchbase lists.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Add the Crunchbase connector from Claude's directory and sign in with OAuth."},
"chatgpt":{"status":"Directory app/plugin","how":"Install the Crunchbase plugin, sign in and approve access."},
"access":"Read/write","access_note":"It's mostly research. Crunchbase's MCP overview says it can also create and manage lists.",
"admin_setup":"Yes","admin_note":"Your Crunchbase workspace admin has to give your account MCP access.",
"requirements":"A Crunchbase account with MCP access.",
"mcp_url":"https://mcp.crunchbase.com",
"guide":null,
"sources":[
{"title":"Crunchbase Data: MCP Overview","url":"https://data.crunchbase.com/docs/mcp-overview"},
{"title":"Crunchbase Data: Connecting AI Tools","url":"https://data.crunchbase.com/docs/connecting-ai-tools"},
{"title":"Crunchbase Support: Connect Crunchbase MCP to your AI tools","url":"https://support.crunchbase.com/hc/en-us/articles/55910526440595-Connect-Crunchbase-MCP-to-Your-AI-Tools"}]},

{"slug":"fireflies","name":"Fireflies.ai","category":"Call & conversation intelligence","vendor_site":"https://fireflies.ai",
"summary":"Fireflies' official MCP server searches meeting transcripts, summaries, soundbites and analytics.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Settings > Connectors > Browse Connectors > Fireflies, then OAuth. Needs a paid Claude plan."},
"chatgpt":{"status":"Custom app (developer mode)","how":"Create a connector with the URL https://api.fireflies.ai/mcp and choose OAuth."},
"access":"Read/write","access_note":"Fireflies says some tools are read-only and others take actions, like sharing meetings or creating soundbites.",
"admin_setup":"unverified","admin_note":"Team-level analytics need admin rights. We didn't confirm whether setup needs an admin.",
"requirements":"A Fireflies account. An API key also works for custom clients.",
"mcp_url":"https://api.fireflies.ai/mcp",
"guide":null,
"sources":[
{"title":"Fireflies API Docs: MCP Tools overview","url":"https://docs.fireflies.ai/mcp-tools/overview"},
{"title":"Fireflies API Docs: MCP server configuration","url":"https://docs.fireflies.ai/getting-started/mcp-configuration"},
{"title":"Fireflies KB: MCP connectors for ChatGPT and Claude","url":"https://guide.fireflies.ai/articles/8272956938-learn-about-the-fireflies-mcp-server-model-context-protocol"}]},

{"slug":"fathom","name":"Fathom","category":"Call & conversation intelligence","vendor_site":"https://fathom.video",
"summary":"Fathom's official MCP integration brings meeting notes, transcripts, summaries and action items into Claude and ChatGPT.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Use the official Fathom connector in Claude. Org owners have to enable it for team members."},
"chatgpt":{"status":"Directory app/plugin","how":"Install the official Fathom app, then use @Fathom."},
"access":"Read-only","access_note":"Fathom's ChatGPT docs say it's read-only and limited to meetings you can view.",
"admin_setup":"Depends","admin_note":"On Claude, organization owners have to enable the connector for team members.",
"requirements":"A Fathom account.",
"mcp_url":"https://api.fathom.ai/mcp",
"guide":null,
"sources":[
{"title":"Fathom API: MCP overview","url":"https://developers.fathom.ai/mcp-docs"},
{"title":"Fathom API: ChatGPT","url":"https://developers.fathom.ai/mcp-docs/chatgpt"},
{"title":"Fathom API: Claude","url":"https://developers.fathom.ai/mcp-docs/claude"},
{"title":"OpenAI: Fathom plugin","url":"https://openai.com/business/plugins/fathom/"}]},

{"slug":"granola","name":"Granola","category":"Call & conversation intelligence","vendor_site":"https://www.granola.ai",
"summary":"Granola's hosted MCP connects your AI meeting notes to Claude, ChatGPT and other MCP clients.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Settings > Connectors > Granola. Anthropic marks it as verified."},
"chatgpt":{"status":"Directory app/plugin","how":"Search for 'Granola' in ChatGPT settings and connect."},
"access":"Read/write","access_note":"It's mostly reading notes. Enterprise admins can turn off 'Make changes over MCP', which means some write actions exist.",
"admin_setup":"Depends","admin_note":"On Enterprise, MCP is off by default and admins choose which scopes members get. Other plans connect per user.",
"requirements":"Some folder, search and transcript tools need a paid plan.",
"mcp_url":"https://mcp.granola.ai/mcp",
"guide":null,
"sources":[
{"title":"Granola Docs: Granola MCP","url":"https://docs.granola.ai/help-center/sharing/integrations/mcp"},
{"title":"Granola: MCP page","url":"https://www.granola.ai/mcp"},
{"title":"Claude: Connectors directory","url":"https://claude.com/connectors"}]},

{"slug":"avoma","name":"Avoma","category":"Call & conversation intelligence","vendor_site":"https://www.avoma.com",
"summary":"Avoma's MCP connector pulls meeting transcripts, notes and scorecards. It can also write back meeting outcomes, purposes and privacy settings.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"An admin adds https://mcp.avoma.com/mcp as a custom Web connector and publishes it. Then members connect under Customize > Connectors."},
"chatgpt":{"status":"Custom app (developer mode)","how":"An admin creates the OAuth app under Workspace settings > Apps. Then members install 'Avoma MCP' under Plugins."},
"access":"Read/write","access_note":"It can update meeting outcome, purpose and privacy.",
"admin_setup":"Yes","admin_note":"A workspace admin sets it up once and publishes it to the organization.",
"requirements":"An Avoma account.",
"mcp_url":"https://mcp.avoma.com/mcp",
"guide":null,
"sources":[
{"title":"Avoma Help: Getting started with Avoma MCP Connector","url":"https://help.avoma.com/getting-started-with-avoma-mcp-connector"},
{"title":"Avoma Help: Admins add the connector in Claude","url":"https://help.avoma.com/admins-add-avoma-mcp-connector-in-claude"},
{"title":"Avoma Help: Members connect in ChatGPT","url":"https://help.avoma.com/members-configure-avoma-mcp-connector-in-chatgpt"}]},

{"slug":"docusign","name":"Docusign","category":"Contracts & e-signature","vendor_site":"https://www.docusign.com",
"summary":"Docusign has official MCP connectors for agreement intelligence, eSignature and workflow actions in Claude and ChatGPT.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Install Docusign from Claude's connector directory. Developers can use a custom connector instead."},
"chatgpt":{"status":"Directory app/plugin","how":"Docusign says it has an official ChatGPT connector."},
"access":"Read/write","access_note":"Docusign says you can create agreements, collect signatures and track status from the chat.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"unverified",
"mcp_url":"unverified",
"guide":null,
"sources":[
{"title":"Docusign: MCP Connectors","url":"https://www.docusign.com/products/mcp"},
{"title":"Docusign Developers blog: Claude + Docusign MCP connector guide","url":"https://www.docusign.com/blog/developers/claude-docusign-mcp-connector-guide"}]},

{"slug":"pandadoc","name":"PandaDoc","category":"Contracts & e-signature","vendor_site":"https://www.pandadoc.com",
"summary":"PandaDoc hosts its own MCP server for documents, templates and signing workflows.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Add https://mcp.pandadoc.com/v1/mcp (EU: https://mcp.pandadoc.eu/v1/mcp). We didn't confirm whether it's in Claude's directory."},
"chatgpt":{"status":"Directory app/plugin","how":"Apps > search 'PandaDoc' > Connect."},
"access":"Read/write","access_note":"It manages documents, templates and signing workflows.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"A PandaDoc account.",
"mcp_url":"https://mcp.pandadoc.com/v1/mcp",
"guide":null,
"sources":[
{"title":"PandaDoc Developers: How to use the PandaDoc MCP server","url":"https://developers.pandadoc.com/docs/how-to-use-the-pandadoc-mcp-server"},
{"title":"PandaDoc Help: PandaDoc app for ChatGPT","url":"https://support.pandadoc.com/en/articles/15000069-pandadoc-app-for-chatgpt"}]},

{"slug":"calendly","name":"Calendly","category":"Scheduling","vendor_site":"https://calendly.com",
"summary":"Calendly hosts its own MCP server. It can book and cancel meetings, manage availability, create links and manage event types.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Customize > Connect your tools > Calendly > Connect."},
"chatgpt":{"status":"Directory app/plugin","how":"Plugins > Calendly > Connect > sign in."},
"access":"Read/write","access_note":"It books and cancels meetings and changes availability and event types.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"A Calendly account.",
"mcp_url":"https://mcp.calendly.com/",
"guide":null,
"sources":[
{"title":"Calendly Help: Connect Calendly to your AI tools","url":"https://calendly.com/help/connect-calendly-to-your-ai-tools"},
{"title":"Calendly Developer: MCP supported tools","url":"https://developer.calendly.com/docs/mcp/supported-tools"},
{"title":"Calendly: ChatGPT plugin","url":"https://calendly.com/integration/chatgpt"}]},

{"slug":"highspot","name":"Highspot","category":"Sales enablement","vendor_site":"https://www.highspot.com",
"summary":"Highspot hosts its own MCP server for content search, deal answers, recommendations and Digital Rooms. Highspot announced its listing in ChatGPT's app store.",
"official":"Yes",
"claude":{"status":"Directory connector","how":"Highspot has a listing in Claude's marketplace. You can also add https://mcp.highspot.com/mcp as a custom connector."},
"chatgpt":{"status":"Directory app/plugin","how":"Highspot's blog says the MCP server is in ChatGPT's app store."},
"access":"unverified","access_note":"Not confirmed.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"A Highspot account.",
"mcp_url":"https://mcp.highspot.com/mcp",
"guide":null,
"sources":[
{"title":"Highspot: MCP Server","url":"https://www.highspot.com/product/mcp-server/"},
{"title":"Claude: Highspot connector","url":"https://claude.com/marketplace/connectors/highspot"},
{"title":"Highspot blog: MCP Server in the ChatGPT app store","url":"https://www.highspot.com/blog/highspot-mcp-server-in-openai/"}]},

{"slug":"instantly","name":"Instantly","category":"Cold email","vendor_site":"https://instantly.ai",
"summary":"Instantly hosts its own MCP server for accounts, campaigns, leads, emails and analytics. Connecting it takes an API key.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Settings > Connectors > Add custom connector, using https://mcp.instantly.ai/mcp/YOUR_API_KEY."},
"chatgpt":{"status":"Directory app/plugin","how":"Add the Instantly.ai plugin or app, or set up the endpoint with your API key."},
"access":"Read/write","access_note":"It manages campaigns, leads and accounts.",
"admin_setup":"No","admin_note":"You need an Instantly API v2 key, created under Settings > Integrations > API Keys. Keep the key private, because it sits in the connector URL.",
"requirements":"An Instantly account with API access.",
"mcp_url":"https://mcp.instantly.ai/mcp",
"guide":null,
"sources":[
{"title":"Instantly Help: Instantly MCP","url":"https://help.instantly.ai/en/articles/12980002-instantly-mcp-model-context-protocol"},
{"title":"Instantly API Docs: MCP quickstart","url":"https://developer.instantly.ai/mcp/quickstart"},
{"title":"Instantly: ChatGPT marketplace page","url":"https://instantly.ai/marketplace/chatgpt"}]},

{"slug":"lemlist","name":"lemlist","category":"Cold email","vendor_site":"https://www.lemlist.com",
"summary":"lemlist has its own MCP endpoint for campaigns, sequences, leads and sourcing.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Add https://app.lemlist.com/mcp as a custom connector. OAuth opens a consent page in your browser."},
"chatgpt":{"status":"Custom app (developer mode)","how":"Create an app in developer mode with the URL and OAuth. lemlist says this needs Business or Enterprise/Edu on the web."},
"access":"Read/write","access_note":"Reads run right away. Writes, like creating campaigns or editing steps, ask you to confirm. Some tools use credits.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"A lemlist account. You can use an API key instead of OAuth.",
"mcp_url":"https://app.lemlist.com/mcp",
"guide":null,
"sources":[
{"title":"lemlist Help: Set up the lemlist MCP server","url":"https://help.lemlist.com/en/articles/13728466-set-up-the-lemlist-mcp-server-in-your-llm-client-oauth-or-api-key"},
{"title":"lemlist Help: MCP full tools reference","url":"https://help.lemlist.com/en/articles/15565943-lemlist-mcp-full-tools-reference"}]},

{"slug":"hunter","name":"Hunter","category":"Enrichment","vendor_site":"https://hunter.io",
"summary":"Hunter hosts its own remote MCP server for finding companies, decision-makers and verified emails. Hunter's MCP page says it's included in your Hunter plan.",
"official":"Yes",
"claude":{"status":"Custom connector (paste URL)","how":"Add https://mcp.hunter.io/mcp as a custom connector, then authorize with OAuth."},
"chatgpt":{"status":"Directory app/plugin","how":"Install the official Hunter app from ChatGPT's directory, then use @Hunter."},
"access":"unverified","access_note":"Not confirmed.",
"admin_setup":"unverified","admin_note":"Not confirmed.",
"requirements":"A Hunter account. Your plan's credits apply.",
"mcp_url":"https://mcp.hunter.io/mcp",
"guide":null,
"sources":[
{"title":"Hunter: MCP page","url":"https://hunter.io/mcp"},
{"title":"Hunter Help: Connect Hunter to Claude with MCP","url":"https://help.hunter.io/en/articles/15553243-how-to-connect-hunter-to-claude-with-mcp"}]},

{"slug":"linkedin-sales-navigator","name":"LinkedIn Sales Navigator","category":"Sales intelligence","vendor_site":"https://business.linkedin.com/sales-solutions",
"summary":"We found no official LinkedIn MCP server or Claude/ChatGPT connector for Sales Navigator. The third-party MCP tools that exist aren't built by LinkedIn.",
"official":"No",
"claude":{"status":"Not supported","how":"We found no official connector."},
"chatgpt":{"status":"Not supported","how":"We found no official connector."},
"access":"n/a","access_note":"There's no official integration to rate.",
"admin_setup":"n/a","admin_note":"",
"requirements":"LinkedIn's Sales Navigator Application Platform is for partners only.",
"mcp_url":"None (official)",
"guide":null,
"sources":[
{"title":"Microsoft Learn: Sales Navigator Application Platform docs","url":"https://learn.microsoft.com/en-us/linkedin/sales/"},
{"title":"LinkedIn: Sales Navigator integrations and partners","url":"https://business.linkedin.com/sales-solutions/partners"}]}
]