Kernelcad MCP Server

kernelCAD turns mechanical intent into editable .kcad.ts source, deterministic review evidence, and exportable manufacturing artifacts.

People connecting this server to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-05 · ★ 17 · #239 OF 848 MAINTAINED OTHER · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install Kernelcad

Claude Code

claude mcp add w1ne-kernelcad-web --transport http https://mcp.kernelcad.com/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "w1ne-kernelcad-web": {
      "url": "https://mcp.kernelcad.com/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

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

https://mcp.kernelcad.com/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

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 local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to mcp.kernelcad.com

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license MIT - declared in the repository

npm package kernelcad - unscoped; check the name against the project README before installing

registry vendor namespace com.kernelcad - domain-verified with the official MCP registry

03 · What Kernelcad can do

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

Latest releases

v0.15.0 · 2026-06-25

v0.15.0 - NURBS Slice F: curved-patch trim · Curved-patch trim (#528). Surface.trimTo(by) now sections base/cutter surfaces and imprints the section edge with BRepFeat_SplitShape from the replicad-opencascadejs…

v0.12.0 · 2026-06-09

Agent animation toolset - animationView() keyframe timelines, kernelcad animate (MP4/PNG capture), capture_animation MCP tool, Studio Animation tab with baked 60fps playback, sampled-pose interference verification.…

v0.11.1 · 2026-05-23

Patch release. Fixes a fresh-install crash in 0.11.0. · \npm install -g [email protected]\ (or just \@latest\). · What changed since 0.11.0 · lazy-import \playwright\ in \headlessRender.ts\. v0.11.0 statically imported…

04 · Who maintains Kernelcad

kernelcad is maintained by w1ne. It's the only MCP server we track from this author; the repo dates to Jan 2026.

05 · Facts

repository: github.com/w1ne/kernelcad-web
category: other - ranked #239 of 848 actively-maintained other servers as of 2026-08-25.
release cadence: 2 releases in the last 90 days (latest 2026-06-25)
registry: com.kernelcad/kernelcad (active, first published 2026-05-25 · 2 versions)
packages: npm:kernelcad

06 · Kernelcad FAQ

What is Kernelcad?

kernelCAD turns mechanical intent into editable .kcad.ts source, deterministic review evidence, and exportable manufacturing artifacts.

Is Kernelcad still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-05 and it shipped 2 releases in the last 90 days. We re-verify nightly.

How do I install Kernelcad?

Run `npx -y kernelcad`. You can also paste the ready-made client config above.

Does Kernelcad require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to Kernelcad

Alternatives to Kernelcad

Maintained other servers if Kernelcad isn't the fit.

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