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Intercom MCP server
Customer messaging — contacts, conversations, companies, tags, articles. Hosted by 0n3: 15 endpoints your AI can call with your own Intercom account, from Claude, ChatGPT, Cursor, Claude Code, Codex or Gemini CLI. One sign-in, one key per AI, a receipt for every call.
15 endpoints5 categoriesauth: access_tokenhosted
What your AI can do with Intercom
Contacts · Manage contacts and leads5
Create a contact
POST /contactsList contacts
GET /contactsSearch contacts
POST /contacts/searchUpdate a contact
PUT /contacts/{contactId}Tag contact
POST /contacts/{contactId}/tagsConversations · Handle customer conversations4
Create a conversation
POST /conversationsList conversations
GET /conversationsReply a to conversation
POST /conversations/{conversationId}/replyClose a conversation
POST /conversations/{conversationId}/partsCompanies · Manage companies2
Create a company
POST /companiesList companies
GET /companiesTags · Create and assign tags2
Create a tag
POST /tagsList tags
GET /tagsArticles · Manage help center articles2
Create an article
POST /articlesList articles
GET /articlesInstall in three steps
- Create a free account at 0n3.app and connect Intercom: paste a key or sign in through a door. It lands in your vault, encrypted.
- Open 0n3.app/install, pick your AI. A key is made for that AI alone; copy the line it gives you.
- Ask your AI: whoami. It answers with your connected services. Then ask it to create a contact in Intercom.
Install (user scope — every project)
claude mcp add --transport http --scope user 0n3 https://0n3.app/mcp --header "Authorization: Bearer <your 0n token>"
Connect Intercom to
Claude Code + IntercomMCP server + skillClaude (desktop & claude.ai) + IntercomconnectorChatGPT + Intercomconnector · GPT actionCodex CLI + IntercomMCP serverGemini CLI + IntercomMCP serverCursor + IntercomMCP serverVS Code (Copilot) + IntercomMCP serverWindsurf + IntercomMCP server
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Questions
What can an AI do with the Intercom MCP server?
15 things: contacts, conversations, companies, tags and more. Every call runs with your own Intercom connection and lands on a receipt.
Do I need to run anything on my computer?
No. 0n3 is hosted. Connect Intercom once, install 0n3 into your AI with one line, done.
Where does my Intercom key go?
Into your 0n3 vault, encrypted, one record per connection. The AI never sees it.