Connect an external AI client to your CRM and every conversation
A supported external AI client can use allowed CRM and inbox operations through MCP. You review its changes and drafts in Customermates. Client, model, subscription, and usage are separate.
✓ No credit card required ✓ Cancel anytime ✓ Made in Germany
Bring your own AI. Customermates speaks MCP, so it works with whichever model you already pay for
A 57 second tour no demo call required.
- CRM an external AI client can updateA supported external client can use allowed MCP operations to update records or prepare drafts. Review its output in Customermates.
- Every conversation in one inboxSupported connected-account messages appear in one inbox. An external AI client may use allowed MCP operations; client and model are separate. On Pro and up.
- Ready in 2 minutes, no setup projectSign in, paste one snippet, done. No onboarding consultant, no pipeline workshop, no admin training.
- Works with the AI you already pay forClaude, ChatGPT, Gemini via MCP. No new subscription, no AI sidebar tier, no vendor lock-in.
- MCP access in every tierBring a supported external AI client and model to operate contacts, deals, and tasks through MCP. Plans start at €12 per user per month; the AI service is separate.
Skip the CRM busywork. Paste a snippet. Done.
- 01Sign in with Google or emailOne click. No email verification loop. You are inside Customermates.
- 02Click "Create API key"Create a key for your supported external client and keep it secret. The client and model have their own setup, subscription, and data handling.
- 03Paste the snippet into Claude, ChatGPT, or GeminiA 4-line JSON block goes into your MCP config. Or click "Connect to Claude" and we handle the rest.
- 04Ask your external client about allowed CRM dataUse MCP operations exposed by Customermates and review every result in the CRM.
Everything you need
Powerful Open-Source CRM without the complexity. Privacy-friendly tools that just work.
Features you actually need
Core CRM features in a clear interface, with open interfaces for separately operated integrations.
Contacts and Organizations
Manage customers, leads, and business partners in one place.

Deals
Track sales from first contact to closing with flexible pipelines.

Services
Manage all services and link them with deals.

n8n Community Node
Connect an n8n instance you operate separately through REST, webhooks, or the published community node.

Simple, honest, European
Transparent tiers, no hidden costs. Self-host the AGPL core for free; external services stay separate. Or start on Cloud with no credit card.
Self-Hosted
Run the AGPL core app and PostgreSQL on your server with Docker Compose at Starter scope. External services stay separate.
- Workspace users
- Core CRM records
- Documented API, MCP & webhook interfaces
- Interfaces for a separate n8n instance
- Community support
Cloud
PopularManaged for you; database in an EU region. Other providers may process data elsewhere.
- Starter: the core CRM
- Pro: unified inbox, 1 connected account per user
- Business: 3 accounts per user, shared accounts & priority support
Why is your CRM better than others?
How does the integration with n8n work?
How quickly can I get started?
Where is my data stored?
Why is your CRM cheaper than others?
Ready to get started?
Start with Customermates today and switch to an agentic Open-Source CRM built for flexible workflows and external AI clients connected through MCP.
✓ No credit card required ✓ First 7 days free