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@classcad/skill

v0.0.4

Published

LLM skill for the ClassCAD headless CAD engine — structured API references with verified annotations that help AI agents generate correct ClassCAD code

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Links

Git

Maintainers

drcmdadrcmdaawv-buildawv-builddm385dm385

Keywords

classcadcadparametricbrepllmagentskillagent-skillsclaudemcpbuerli

Readme

@classcad/skill

An agent skill for the ClassCAD headless CAD engine — structured API references with verified annotations that help AI agents generate correct ClassCAD code.

Status: 0.0.x pre-release. Content is actively evolving; expect additions and corrections between versions.

What this is

ClassCAD is a headless, programmable parametric CAD engine driven entirely through a JSON/WebSocket API (254 methods across 7 domains: part, assembly, sketch, curve, solid, drawing2d, common). This package documents that API for LLM consumption:

  • SKILL.md — entry point: domain index, all 254 APIs with one-line summaries, cross-cutting guides
  • references/api/*.md — source API documentation per domain (signatures, parameter tables, return types)
  • references/<domain>/*.md — per-API LLM docs: gotchas, dead ends, common errors, working examples
  • references/SKETCHING.md / STRUCTURE.md / GRAPHICS.md — cross-cutting guides (constrained sketching workflow, structure tree, graphic protocol)

Every per-API doc is battle-tested: the documented behavior was observed by executing real API calls against a live ClassCAD server — including the failure modes, silent no-ops, and doc discrepancies that source documentation doesn't cover.

Usage

As a Claude Code / agent skill — drop the package into your skills directory:

npm install @classcad/skill
mkdir -p .claude/skills
ln -s ../../node_modules/@classcad/skill .claude/skills/classcad

SKILL.md carries Agent Skills frontmatter (name: classcad), so any skill-aware agent picks it up from there.

With classcad-mcp — the ClassCAD MCP server resolves this package automatically (via CLASSCAD_SKILL_PATH or a sibling classcad-skill checkout) and composes these docs into its describe_method tool.

As plain context — load SKILL.md as the index and pull references/ files on demand. The per-API docs are self-contained.

Related

License

MIT © AWV Informatik AG