0n3
MCP servers · CRM · connector

Connect Claude (desktop & claude.ai) to CRM

One line gives Claude (desktop & claude.ai) your CRM account as tools: 15 endpoints, contacts, pipelines, opportunities, called with your own connection. No key in the prompt, a receipt for every call, revoke Claude (desktop & claude.ai)'s access alone any time.

Get the line for Claude (desktop & claude.ai)Connect CRM first

Three steps

  1. Create a free 0n3 account and connect CRM. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Claude (desktop & claude.ai). Add 0n3 as a custom connector; sign in once through the 0n door.
  3. Ask Claude (desktop & claude.ai): whoami. Then: "Create a contact in CRM".
Claude desktop app and claude.ai
  1. Settings → Connectors → Add custom connector
  2. Name: 0n3 · URL: https://0n3.app/mcp
  3. Click Connect and sign in with your 0n account (email + password, or paste your 0n token)
  4. Turn the connector on in a chat and ask: "whoami"

This is the OAuth door: no token to paste, revoke it any time from 0n3 → Tokens.

The line above carries a placeholder; 0n3.app/install mints a real key named for Claude (desktop & claude.ai) and fills it in.

What Claude (desktop & claude.ai) can then do in CRM

Contacts · Create, update, search, and manage contacts6
Create a contactPOST /contacts/
List contactsGET /contacts/
Search contactsPOST /contacts/search
Get a contactGET /contacts/{contactId}
Update a contactPUT /contacts/{contactId}
Delete a contactDELETE /contacts/{contactId}
Pipelines · Create and manage sales pipelines with stages2
Create a pipelinePOST /opportunities/pipelines
List pipelinesGET /opportunities/pipelines
Opportunities · Track deals and opportunities through pipeline stages1
Create an opportunityPOST /opportunities/
Tags · Create and assign tags for segmentation2
Create a tagPOST /locations/{locationId}/tags
List tagsGET /locations/{locationId}/tags
Custom values · Create and manage custom values2
Create a custom valuePOST /locations/{locationId}/customValues
List custom valuesGET /locations/{locationId}/customValues
Workflows · List and inspect automation workflows1
List workflowsGET /workflows/

All 15 CRM endpoints →

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Claude (desktop & claude.ai) with other apps

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