{"ok":true,"name":"query_docs_filesystem_docs_by_lang_chain","description":"Run a read-only shell-like query against a virtualized, in-memory filesystem rooted at `/` that contains ONLY the Docs by LangChain documentation pages and OpenAPI specs. This is NOT a shell on any real machine — nothing runs on the user's computer, the server host, or any network. The filesystem is a sandbox backed by documentation chunks. This is how you read documentation pages: there is no separate \"get page\" tool. To read a page, pass its `.mdx` path to `head` or `cat` — a page at the URL p","inputSchema":{"type":"object","required":["command"],"properties":{"command":{"type":"string","description":"A shell command to run against the virtualized documentation filesystem (e.g., `rg -il \"keyword\" /`, `tree / -L 2`, `head -80 /path/file.mdx`)."}},"additionalProperties":false},"serverUrl":"https://docs.langchain.com/mcp","transport":"http","handshake":"ok","host":"docs.langchain.com","score":45,"grade":"C","auth":"unknown","lastScannedAt":"2026-10-30T13:07:32.362Z","stale":false,"permalink":"https://agentboardai.app/mcp/docs.langchain.com/query_docs_filesystem_docs_by_lang_chain","page":"https://agentboardai.app/site/docs.langchain.com"}