LangChain Knowledge provides four MCP tools for searching documentation and source code across the LangChain ecosystem, including LangChain, LangGraph, LangSmith, and DeepAgents. Each tool supports query strings and language filtering (Python or JavaScript). The server is available as an npm package via stdio transport.
Cognium trust score
50%
Tier
Unverified
Composite of vulnerability cleanliness, spec conformance, provenance, stability, and usage signals — scanned and weighted by Cognium. Human and agent signals are tracked separately.
Returns 7 tools: search_skills, get_skill, list_leaderboard, get_trust_breakdown, resolve_composition, plus the ChatGPT-connector search and fetch. Every tool is annotated read-only.
Resolve this skill directly via MCP tools/call get_skill.