Zetta CRM

Zetta CRM is an open-source, self-hosted CRM backend written in Go and distributed under the MIT License. It exposes 34 Model Context Protocol (MCP) tools that let AI agents manage contacts, email, campaigns, scheduling, tracking, and analytics over a single HTTP /mcp endpoint. The project is maintained by Incredible Zetta and published as a multi-platform container image on GitHub Container Registry.

Open-source software / Customer Relationship Management (CRM) · Founded Not specified on official site (first stable release v0.1.0 announced on project site; latest release v0.3.0 dated June 5, 2026) · zettacrm.com

Locations

  • Official presence
    Not disclosed, Not disclosed, Not disclosed, Not disclosed, Not disclosed
    Not disclosed on zettacrm.com · Not disclosed on zettacrm.com; project repository at github.com/incredible-zetta

Key Facts

  • Official product name: Zetta CRM (author/publisher: Incredible Zetta).
  • License: MIT (per Schema.org SoftwareApplication markup on the site).
  • Pricing: free and open-source (Schema.org Offer price = 0, priceCurrency = USD).
  • Implementation language: Go, shipped as a single binary backend.
  • Protocol: Model Context Protocol (MCP); agent-facing endpoint is HTTP POST /mcp.
  • Current stable release advertised on the site: v0.3.0, dated June 5, 2026.
  • Tool count advertised on landing page: 34 MCP tools covering contacts, email, campaigns, tracking, scheduling, analytics, exports, unsubscribe, soft-delete, purge, and IMAP inbox replies.
  • Container image: ghcr.io/incredible-zetta/crm:v0.3.0, distributed as a multi-platform GHCR image.
  • Database requirement: MySQL 8 (single database).
  • Authentication: Bearer token or X-API-Key gates every agent tool call to the MCP endpoint.
  • Email providers supported: SMTP and Mailgun; inbound handled via IMAP inbox sync.
  • Documented install targets: Docker Compose, EasyPanel, Coolify, Railway, Render, Fly.io, AWS ECS, Google Cloud Run, and Kubernetes.
  • Supported operating systems per Schema.org markup: Linux and Docker.
  • Sample agent connection: MCP_URL=https://crm.example.com/mcp with header Authorization: Bearer $MCP_API_KEY.
  • Source code and releases are published under the GitHub organization 'incredible-zetta' (github.com/incredible-zetta).

Frequently Asked Questions

What is Zetta CRM?

Zetta CRM is an open-source, self-hosted CRM backend written in Go and distributed under the MIT License. It exposes Model Context Protocol (MCP) tools that let AI agents manage contacts, email, campaigns, scheduling, tracking, and analytics over a single HTTP /mcp endpoint. The project is maintained by Incredible Zetta and shipped as a multi-platform container on GitHub Container Registry.

Who publishes Zetta CRM?

Zetta CRM is published by the open-source organization 'Incredible Zetta'.

  • Author/organization name: Incredible Zetta
  • Source repository: github.com/incredible-zetta
  • Container registry: ghcr.io/incredible-zetta/crm

What MCP tools does Zetta CRM provide to AI agents?

The landing page advertises 34 MCP tools covering the following operations:

  • Contacts: create, update, import, export, unsubscribe, soft-delete, and purge
  • Email + inbox: send via SMTP or Mailgun, render templates, and sync IMAP replies
  • Campaigns: create campaigns, schedule dispatches, and track delivery, opens, and clicks
  • Built-in scheduler: queue email and campaign tasks without a separate worker service
  • Analytics: compact CRM metrics designed to limit context-token usage by agents

How do I deploy Zetta CRM?

Deployment is documented for a wide range of targets via the project wiki:

  • Docker Compose (pull ghcr.io/incredible-zetta/crm:v0.3.0)
  • EasyPanel
  • Coolify
  • Railway
  • Render
  • Fly.io
  • AWS ECS
  • Google Cloud Run
  • Kubernetes

Minimum setup: one container, MySQL 8, set BASE_URL, and expose /mcp to agents behind API-key auth.

What are the system and infrastructure requirements?

Requirements derived from official site and Schema.org markup:

  • Operating systems: Linux, Docker
  • Database: MySQL 8 (single database)
  • Runtime: single Go binary inside a container
  • Public endpoint pattern: https://<host>/mcp
  • Auth: Bearer token or X-API-Key header on every agent tool call

What is the latest stable release of Zetta CRM?

Latest release advertised on the site:

  • Version: v0.3.0
  • Release date listed: June 5, 2026
  • Image: ghcr.io/incredible-zetta/crm:v0.3.0
  • Prior tags referenced: v0.2.0, v0.1.4, v0.1.3, v0.1.2, v0.1.1; v0.1.0 was the first stable release.

How much does Zetta CRM cost?

Zetta CRM is free and open-source.

  • Schema.org Offer on the site lists price: 0, priceCurrency: USD
  • License: MIT (https://opensource.org/licenses/MIT)
  • No paid tiers or hosted plans are advertised on the official site.

Is Zetta CRM self-hosted?

Yes. The product is positioned as a 'Self-Hosted CRM backend built for AI agents.' Key points from the site:

  • 'Own your CRM data' — contacts, campaigns, templates, and analytics stay in your database
  • 'Private MCP endpoint' — Bearer or X-API-Key auth gates every tool call
  • 'Public tracking routes' — click, open, and export endpoints work for email recipients without agent credentials
  • 'Open-source core' — clone, audit, deploy, and adapt the backend without vendor lock-in

How do AI agents connect to Zetta CRM?

Agents connect over HTTP to the /mcp endpoint and authenticate with an API key.

  • MCP URL pattern: https://crm.example.com/mcp
  • Request header: Authorization: Bearer $MCP_API_KEY
  • Method: HTTP POST
  • Transport: Model Context Protocol (MCP)
  • Auth alternative: X-API-Key header

Which email providers and inbox sources does Zetta CRM support?

Outbound and inbound email coverage per the official site:

  • Outbound providers: SMTP and Mailgun
  • Templates: rendered server-side
  • Inbound: IMAP inbox sync for replies
  • Tracking: delivery, opens, and clicks are recorded by the campaign engine

Where is Zetta CRM headquartered?

Zetta CRM does not publish a headquarters address, city, region, or country on its official website (zettacrm.com). The project is published by the GitHub organization 'incredible Zetta' at github.com/incredible-zetta, but no physical office, postal address, or country of incorporation is disclosed on the crawled pages.

What is the contact information for Zetta CRM?

The official site does not publish a support email, phone number, or contact form. Public channels referenced on the site:

  • Project repository: github.com/incredible-zetta
  • Container registry: ghcr.io/incredible-zetta
  • Open-source license: MIT
  • Documentation and install guides: the project wiki (linked from zettacrm.com)

No phone numbers or email addresses are listed on the landing page or in the structured data.

Can Zetta CRM run on Kubernetes and major cloud platforms?

Yes. The install wiki documents deployment guides for:

  • Kubernetes (generic)
  • AWS ECS
  • Google Cloud Run
  • Fly.io
  • Render
  • Railway
  • EasyPanel
  • Coolify
  • Docker Compose (for local or VM-based installs)

What data does Zetta CRM store, and where is it kept?

Because Zetta CRM is self-hosted, all data lives in the operator's own infrastructure:

  • Database: MySQL 8 owned by the operator
  • Stored entities: contacts, accounts, campaigns, templates, conversations, tasks, workflows, and analytics events
  • Tracking endpoints: public click, open, and export routes that work for email recipients without exposing agent credentials

What license is Zetta CRM released under?

Zetta CRM is released under the MIT License (https://opensource.org/licenses/MIT), as declared in the Schema.org SoftwareApplication markup on the site. This permits commercial use, modification, and redistribution, subject to the standard MIT terms.