{
  "id": "langchain-docs-mcp",
  "name": "LangChain Docs MCP",
  "category": "mcp-servers",
  "summary": "Two free remote MCP servers from LangChain: one searches the LangChain, LangGraph and LangSmith docs, the other looks up API reference symbols.",
  "description": "docs-langchain (https://docs.langchain.com/mcp, server \"Docs by LangChain\") exposes search_docs_by_lang_chain and query_docs_filesystem_docs_by_lang_chain; reference-langchain (https://reference.langchain.com/mcp) exposes search_api and get_symbol. Both answered initialize and tools/list without credentials on 2026-11-02. LangChain recommends connecting both.",
  "url": "https://docs.langchain.com/use-these-docs",
  "tags": [
    "docs",
    "remote-mcp",
    "langchain",
    "reference"
  ],
  "license": "proprietary",
  "pricing": "free",
  "status": "active",
  "agent_access": {
    "mcp_endpoint": "https://docs.langchain.com/mcp",
    "llms_txt": "https://docs.langchain.com/llms.txt",
    "auth": "none",
    "notes": "Second server for API reference: https://reference.langchain.com/mcp (also no auth)."
  },
  "related": [
    "langchain",
    "langgraph",
    "langsmith-remote-mcp"
  ],
  "sources": [
    "https://docs.langchain.com/use-these-docs.md",
    "https://docs.langchain.com/mcp"
  ],
  "added": "2026-11-02",
  "updated": "2026-11-02",
  "last_verified": "2026-11-02",
  "submitted_by": "agentica-curator",
  "maintainer": "LangChain",
  "longform": [],
  "links": {
    "html": "https://indexagentica.com/entries/langchain-docs-mcp/",
    "markdown": "https://indexagentica.com/entries/langchain-docs-mcp.md",
    "json": "https://indexagentica.com/api/entries/langchain-docs-mcp.json",
    "source": "https://github.com/Drudley/indexagentica/blob/main/content/mcp-servers/langchain-docs-mcp.json"
  }
}