LangChain Agent MCP Server

# LangChain Agent MCP Server Documentation Welcome to the LangChain Agent MCP Server documentation! This guide will help you understand, deploy, and use the MCP server to expose LangChain agent capabilities. ## What is This? The LangChain Agent MCP Server is a production-ready backend service that wraps LangChain agents as Model Context Protocol (MCP) tools. It's deployed on Google Cloud Run and provides a scalable, serverless solution for AI agent capabilities. ## Quick Links - [Getting Started](getting-started.md) - Set up and run the server locally - [Deployment Guide](deployment.md) - Deploy to Google Cloud Run - [Examples](examples.md) - Code examples and tutorials - [API Reference](api-reference.md) - Complete API documentation - [Troubleshooting](troubleshooting.md) - Common issues and solutions ## Key Features - ✅ **MCP Compliant** - Full Model Context Protocol support - ✅ **LangChain Integration** - Multi-step reasoning with ReAct agents - ✅ **Google Cloud Run** - Serverless, auto-scaling deployment - ✅ **Production Ready** - Error handling, logging, monitoring - ✅ **Extensible** - Easy to add custom tools ## Architecture ``` ┌─────────────┐ │ MCP Client │ │ (SlashMCP) │ └──────┬──────┘ │ HTTP/HTTPS ▼ ┌─────────────────────────┐ │ FastAPI Server │ │ (MCP Endpoints) │ └──────┬──────────────────┘ │ ▼ ┌─────────────────────────┐ │ LangChain Agent │ │ (ReAct Pattern) │ └──────┬──────────────────┘ │ ▼ ┌─────────────────────────┐ │ Tools (Web, Weather) │ └─────────────────────────┘ ``` ## Service Status **Live Service:** https://langchain-agent-mcp-server-554655392699.us-central1.run.app - ✅ Health: `/health` - ✅ Manifest: `/mcp/manifest` - ✅ Invoke: `/mcp/invoke` - ✅ API Docs: `/docs` --- **Ready to get started?** Check out the [Getting Started Guide](getting-started.md)!