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org.llmref/llmref

Official registry Developer tools

Versioned documentation registry and semantic search for AI tools and coding assistants.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http llmref 'https://api.llmref.org/v1/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "llmref": {
            "type": "http",
            "url": "https://api.llmref.org/v1/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. LLM Reference plugin
  2. What you get
  3. Install (Claude Code)
  4. Use in any other MCP client
  5. License
  6. Optional discovery feedback

LLM Reference plugin

A Claude Code plugin that connects to LLM Reference - versioned, model-ready documentation and semantic search - and ships a skill that teaches an agent how and when to use it.

What you get

  • MCP server llmref (remote, https://api.llmref.org/v1/mcp) exposing list_projects, list_versions, resolve_docs, search_docs, and the optional report_missing_docs feedback method.
  • Skill llmref that tells the agent to prefer LLM Reference over training data for version-specific docs, and the order to call the tools in.

Install (Claude Code)

/plugin marketplace add reclear-io/llmref-plugin
/plugin install llmref@llmref

Use in any other MCP client

The server is a plain remote streamable-HTTP MCP endpoint, so any MCP-capable client can connect directly:

https://api.llmref.org/v1/mcp

Per-client setup (Claude Desktop, Cursor, Codex, and others) is documented at https://llmref.org.

License

MIT - Open Source by Reclear.io

Optional discovery feedback

When permitted, the skill quietly reports missing public docs and any official llms.txt or docs URL already found during the task. It never waits for ingestion or sends conversation text, code, credentials or private URLs. Tell the agent not to report to opt out. Host permissions apply. See PRIVACY.md.

Frequently asked questions

What is org.llmref/llmref?

Versioned documentation registry and semantic search for AI tools and coding assistants.

How do I install org.llmref/llmref?

It runs as a remote server. In Claude Code: claude mcp add --transport http llmref 'https://api.llmref.org/v1/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does org.llmref/llmref need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is org.llmref/llmref open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains org.llmref/llmref?

It is published by reclear-io. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.