FreeCAD MCP

This is a bridge between your AI agent and FreeCAD - a thinking partner for parametric design, CNC toolpath generation, and mesh work. You bring the design intent and the domain judgment; the agent handles the FreeCAD mechanics. Together: moving faster, co-designing things that would take hours to build by hand, untangling the cryptic error messages that FreeCAD is so good at generating, and hunting down the subtle…

People who work with freecad, cad and cnc and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-09-28 · ★ 53 · #545 OF 998 MAINTAINED OTHER · VERIFIED 2026-09-30

LGPL-2.1 · Python servers · how we verify → /methodology

01 · Install FreeCAD MCP

Docker

docker run -i --rm ghcr.io/blwfish/freecad-mcp:latest

Claude Desktop - add to config

{
  "mcpServers": {
    "blwfish-freecad-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/blwfish/freecad-mcp:latest"
      ]
    }
  }
}

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as container (OCI image) - can be sandboxed away from your filesystem

license LGPL-2.1 - declared in the repository

registry namespace io.github.blwfish is GitHub-verified and matches the repo owner

03 · What FreeCAD MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v8.2.2 · 2026-09-28

[8.2.2] - 2026-09-28 · Make _process_gui_tasks resilient to a bad tick, not just log it

v8.2.1 · 2026-09-28

[8.2.1] - 2026-09-28 · Stop_freecad_instance kills the whole process group

v8.2.0 · 2026-09-24

[8.2.0] - 2026-09-24 · Close Critical+High findings from whole-repo full-review · Close Medium findings from whole-repo full-review · Close most Low findings from whole-repo full-review · Stop TestBuildSketch depending…

04 · Who maintains FreeCAD MCP

FreeCAD MCP is maintained by blwfish. It's the only MCP server we track from this author; the repo dates to Feb 2026.

05 · Facts

repository: github.com/blwfish/freecad-mcp
category: other - ranked #545 of 998 actively-maintained other servers as of 2026-09-30.
release cadence: 10+ releases in the last 90 days (latest 2026-09-28)
registry: io.github.blwfish/freecad-mcp (active, first published 2026-05-12 · 16 versions)
packages: oci:ghcr.io/blwfish/freecad-mcp:latest

06 · FreeCAD MCP FAQ

What is FreeCAD MCP?

Is FreeCAD MCP still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-28 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install FreeCAD MCP?

Run `docker run -i --rm ghcr.io/blwfish/freecad-mcp:latest`. You can also paste the ready-made client config above.

07 · Alternatives to FreeCAD MCP

Alternatives to FreeCAD MCP

Maintained other servers if FreeCAD MCP isn't the fit.

More MCP servers to compare · Affiliate Networks MCP · Amicus · Yandex Webmaster MCP (boxlab-ltd) · Bulwark · Frugal

More Python MCP servers · Agentguard47 · Quarterback · Vivatlas · 2b2t Atlas · Memwright · see all