kicad-mcp-pro 3.5.2

A Model Context Protocol server for KiCad EDA workflows.

KiCad MCP Pro

Canonical repository: https://github.com/oaslananka/kicad-studio-kit/tree/main/packages/mcp-server

• PyPI: kicad-mcp-pro
• npm wrapper: kicad-mcp-pro
• MCP Registry name: io.github.oaslananka/kicad-mcp-pro
• Version: 3.5.2

KiCad MCP Pro is a Model Context Protocol server for KiCad EDA workflows. It exposes tools, resources, and prompts for schematic, PCB, validation, DFM, and manufacturing export automation.

Telemetry and error reporting are disabled by default. Opt-in OpenTelemetry configuration and privacy rules are documented in docs/configuration.md and the monorepo docs/telemetry.md.

Transports

KiCad MCP Pro supports stdio and Streamable HTTP. Streamable HTTP is served at /mcp by default and can be moved with KICAD_MCP_MOUNT_PATH.

uvx kicad-mcp-pro@3.5.2 --transport streamable-http --host 127.0.0.1 --port 3334

Streamable HTTP clients must send:

• Accept: application/json, text/event-stream
• Content-Type: application/json
• MCP-Protocol-Version: 2025-11-25 after initialization
• MCP-Session-Id on follow-up requests when KICAD_MCP_STATEFUL_HTTP=1

By default Streamable HTTP is stateless, so ChatGPT-style connectors can initialize and call tools/list without a session-header injection proxy. Set KICAD_MCP_STATEFUL_HTTP=1 to require session IDs after initialize.

The deprecated HTTP+SSE fallback routes are disabled by default. Set KICAD_MCP_LEGACY_SSE=1 only for older clients that cannot use Streamable HTTP.

Install

corepack pnpm run dev:doctor -- --ci
uvx kicad-mcp-pro@3.5.2 --help
npx kicad-mcp-pro@3.5.2 --help

For source checkouts, corepack pnpm run dev:doctor validates Node, pnpm, Python, uv, MCP server CLI startup/version reporting, fixture corpus, protocol schemas, common development ports, and optional Cloudflare tunnel tooling.

Package Metadata

The canonical package metadata lives in mcp.json and server.json. Both files report the same repository, package, and version data for PyPI, npm, OCI, and MCP Registry publishing.