"LangChain" matching MCP connectors:

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.

Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith

Run a prompt through a LangChain (system + human) chain over Gemini on Vertex AI; optional LangSmith

OAuth LangChain OpenAI Agent

Google Sign-In LangChain Agent

Google OAuth LangChain Agent

Encrypted LangChain Token Agent

Traced OpenAI LangChain Agent

LangChain Login and Token Agent

Encrypted LangChain Session Agent

LLM Observability & Orchestration Agent (Langchain)

Structured Output MCP Agent (Langchain Core)

LLM Observability & Orchestration Agent (LangChain Community)

LLM Orchestration Agent (Langchain Openai)

LLM Orchestration Agent (Langchain Core)

LLM Orchestration Agent (Langchain Anthropic)

LLM Orchestration Agent (Langchain)

MCP server for langchain documentation, generated by doc2mcp.

Lossless Uniswap V3 historical tick data streams and sandboxed parametric backtesting matrix sweeps on Base Mainnet. Implements the automated Coinbase x402-express stablecoin paywall protocol ($1 streams / $5 archives / $25 matrix simulations). Fully compatible with @coinbase/agentkit and LangChain.