Odel
MCP server: One MCP server.

ClassCAD

@awv-informatikRun by its publisher: served from their own domain, namespace checked by the registry.MCP server · External

Build and verify CAD parts and assemblies with the ClassCAD engine, locally, no server needed.

3D modelling & CADv0.4.0TypeScript
Freeno charge per call
How to install

Runs on your machine from its package; the steps are below.

What it does

  1. Reads
  2. Writes
  3. High impact

At most: only reads or looks up information.

What it costs

Free

Odel charges nothing per call. The publisher may charge for its own service.

Runs locally over stdio

This server isn't hosted — your MCP client launches it from a package registry. Use one of the commands below, or drop the config into your client (e.g. Claude Desktop).

npm@classcad/mcpv0.4.0

Run

npx -y @classcad/mcp

MCP client config

{
  "mcpServers": {
    "classcad": {
      "command": "npx",
      "args": [
        "-y",
        "@classcad/mcp"
      ]
    }
  }
}

Frontispiece and title page. Left: an engineering drawing of a flanged bushing — section A–A, the view from the left and the plan in first-angle projection, dimensioned, with a title block. Right: classcad·ai, or, the Art of Modelling with Agents — wherein a machine is taught to write parametric CAD models as programs, to draw what it has made, and to prove the work in numbers and in pixels. In five parts: the skill, the script, the renderer, the MCP server, the in-app agent. MMXXVI.

The repository as a figurative system: classcad·ai branches into knowledge (the skill, discovery), execution (the script, the engine), proof (the renderer, the numbers) and hosts (the MCP server, the in-app agent).

Plate III, The Skill — @classcad/skill
packages/skill · @classcad/skill
Plate III, the skill: the ClassCAD API — 264 methods, each documented and verified against a live engine — set by domain as a table of contents (part 76, assembly 63, sketch 50, common 22, curve 21, solid 21, drawing2d 11), the six recipes that combine them, and one BM25-ranked search that knows CAD synonyms: a hole is a bore, a round a fillet.

Plate IV, The Script — @classcad/script
packages/script · @classcad/script
Plate IV, the script: a script in monospace that creates a plate, adds an 80 by 50 by 10 box, computes its mass properties and returns { part: 4, volume: 40000 }.

Plate V, The Renderer — @classcad/renderer
packages/renderer · @classcad/renderer
Plate V, the renderer: the six views of the flanged bushing unfolded in first-angle projection, and the ISO projection symbols for first-angle (Europe) and third-angle (the Americas).

Plate VI, The Envoy — @classcad/mcp and @buerli.io/ai
packages/mcp · @classcad/mcp
packages/buerli-ai · @buerli.io/ai
packages/relay · the share relay: a session on somebody's machine, joined from anywhere
Plate VI, the envoy — two envoys make the part. The MCP server takes requests from any agent host (Claude Code, Codex, OpenCode, Claude Desktop, VS Code, Cursor) through one daemon per machine: on its own, on a worker or its own WASM, it makes the part itself — a pointing hand leads to the flanged bushing, engraved in iso — or it joins any buerli app by invite, or the app joins it. The in-app assistant lives inside the app: asked to make a flanged bushing, it answers, and the part appears in the app’s window.

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