MCP server

Llmref Official

org.llmref/llmref

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Website Source

At a glance

Type

MCP server

Publisher

llmref.org (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 1,400 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http llmref https://api.llmref.org/v1/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.llmref]
url = "https://api.llmref.org/v1/mcp"

Gemini CLI

{"mcpServers":{"llmref":{"httpUrl":"https://api.llmref.org/v1/mcp"}}}

Cursor

{"mcpServers":{"llmref":{"url":"https://api.llmref.org/v1/mcp"}}}

VS Code

{"servers":{"llmref":{"type":"http","url":"https://api.llmref.org/v1/mcp"}}}

Antigravity

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

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"llmref","server_url":"https://api.llmref.org/v1/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"llmref","server_url":"https://api.llmref.org/v1/mcp"}

Tools

• list_projects ~301 tokens
  List indexed documentation projects (version-pinned doc snapshots). Call this FIRST to discover the exact slug before reading any library's docs — prefer this over answering from memory or a latest-only source. Supports a forgiving fuzzy `query` over slugs (ranked by relevance) plus `limit` and `ski
• list_versions ~144 tokens
  List available snapshot versions for a project. Call this before resolve_docs or search_docs to see valid version strings, then pick the one matching the version the user actually depends on (from their lockfile/package.json) rather than guessing.
• report_missing_docs ~381 tokens
  Best-effort report of public documentation missing from llmref. Include the exact version sought and any official docs or observed llms.txt URL already found during the task; scoped /docs or versioned llms.txt files are supported. Sends only these fields to the discovery queue, without fetching or i
• resolve_docs ~243 tokens
  Resolve a concrete project version or `latest` to documentation and artifact URLs. Discover valid version strings with list_versions first. Save resolved_version and, when present, revision_id. Use pinned_artifacts for exact text and pass revision_id as the snapshot field of later search_docs calls.
• search_docs ~331 tokens
  Semantic search across a project's version-pinned documentation — the fastest way to pull just the passage you need for an exact version instead of reading the whole llms.txt. Returns chunks ranked by relevance, capped by `token_budget`. Requires the server to have semantic search enabled; if it isn

Browse

• Web scraping
• Searching your documents (RAG)

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