jdmfsm — factory service manuals for AI assistants

Connect Claude, ChatGPT or another AI assistant to the factory service manuals at jdmfsm.info: more than 2,000 manuals for Nissan, Infiniti, Toyota, Lexus, Honda, Mazda, Subaru, Mitsubishi, Suzuki, Daihatsu, Isuzu, Hyundai and Jeep. Tell it the car (model and year, a chassis code or the VIN) and ask about a trouble code, a repair job or a wiring diagram; it answers from the manual with a link to the exact page. Free, no sign-in.

The server is a remote MCP server:

https://jdmfsm.info/mcp

This repository holds the packages and listings that point assistants at it. The server itself is not here.

Add it

App	How
Claude (claude.ai, desktop, mobile)	Settings → Connectors → Add custom connector, paste the address.
Claude Code	/plugin marketplace add balexandrov/jdmfsm-mcp then /plugin install jdmfsm@jdmfsm — or just claude mcp add --transport http jdmfsm https://jdmfsm.info/mcp
ChatGPT	Settings → Apps & Connectors → Advanced → Developer mode, then Create, paste the address, no authentication.
Codex CLI	in ~/.codex/config.toml: [mcp_servers.jdmfsm] with url = "https://jdmfsm.info/mcp"
Gemini CLI	gemini extensions install https://github.com/balexandrov/jdmfsm-mcp
VS Code	code --add-mcp '{"name":"jdmfsm","type":"http","url":"https://jdmfsm.info/mcp"}'
Cursor	in ~/.cursor/mcp.json: {"mcpServers": {"jdmfsm": {"url": "https://jdmfsm.info/mcp"}}}
Anything else	add a remote (streamable HTTP) MCP server with the address.

Ask

• 2006 Sentra 1.8 shows P0340. What do I check?
• Fuel pump wiring diagram for a Z33 350Z.
• Torque specs for a QR25DE timing chain job.
• VIN JN1… — how do I replace the front brake pads?

Check the linked page before you trust a number.

Tools

Tool	What it does
find_manuals	the manuals for a car, by model, year, chassis code or VIN
get_contents	a manual's sections and bookmarks
lookup_dtc	a trouble code in one manual: fault, causes, diagnosis pages
search	a job, part or term in one manual
read_pages	the text of pages
page_image	a page as an image (wiring diagrams, illustrations)

All tools are read-only and change nothing.

What is in this repository

Path	For
.claude-plugin/marketplace.json	the Claude Code plugin marketplace
plugins/jdmfsm/	the plugin: .claude-plugin/plugin.json (Claude), .codex-plugin/plugin.json (ChatGPT / Codex), the shared .mcp.json and icons
gemini-extension.json	the Gemini CLI extension
server.json	the listing in the MCP Registry
submission/	material for the directory reviews (test cases, tool justifications)
build_chatgpt_zip.py	builds dist/jdmfsm-plugin.zip, the ChatGPT upload

Links

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