LangChain Agent MCP Server

# ✅ Deployment Successful! ## Service Details **Service URL:** https://langchain-agent-mcp-server-554655392699.us-central1.run.app **Project:** slashmcp **Region:** us-central1 **Status:** ✅ Deployed and Running ## What Was Fixed 1. ✅ Fixed PowerShell script syntax errors 2. ✅ Fixed LangChain import issues (pinned versions) 3. ✅ Fixed Docker PORT configuration 4. ✅ Made startup resilient (won't fail if API key missing) 5. ✅ Created startup script for Cloud Run ## Next Steps ### 1. Set Your OpenAI API Key **Option A: Using Secret Manager (Recommended)** ```powershell $env:PATH += ";C:\Program Files (x86)\Google\Cloud SDK\google-cloud-sdk\bin" # Create secret "your-openai-api-key-here" | gcloud secrets create openai-api-key --data-file=- # Grant access $projectNumber = (gcloud projects describe slashmcp --format="value(projectNumber)") gcloud secrets add-iam-policy-binding openai-api-key ` --member="serviceAccount:$projectNumber-compute@developer.gserviceaccount.com" ` --role="roles/secretmanager.secretAccessor" # Update service gcloud run services update langchain-agent-mcp-server ` --update-secrets=OPENAI_API_KEY=openai-api-key:latest ` --region us-central1 ``` **Option B: Using Environment Variable** ```powershell gcloud run services update langchain-agent-mcp-server ` --set-env-vars OPENAI_API_KEY=your-key-here ` --region us-central1 ``` ### 2. Test Your Deployment ```powershell $serviceUrl = "https://langchain-agent-mcp-server-554655392699.us-central1.run.app" # Health check Invoke-WebRequest -Uri "$serviceUrl/health" # Get manifest Invoke-WebRequest -Uri "$serviceUrl/mcp/manifest" # Test invoke (after setting API key) $body = @{ tool = "agent_executor" arguments = @{ query = "What is 2+2?" } } | ConvertTo-Json Invoke-WebRequest -Uri "$serviceUrl/mcp/invoke" ` -Method POST ` -ContentType "application/json" ` -Body $body ``` ### 3. View Logs ```powershell gcloud run services logs read langchain-agent-mcp-server ` --platform managed ` --region us-central1 ` --project slashmcp ``` ## Service Endpoints - **Health:** `GET /health` - **Manifest:** `GET /mcp/manifest` - **Invoke:** `POST /mcp/invoke` - **API Docs:** `GET /docs` (FastAPI Swagger UI) ## Monitoring View your service in Cloud Console: https://console.cloud.google.com/run/detail/us-central1/langchain-agent-mcp-server?project=slashmcp --- **🎉 Your LangChain Agent MCP Server is now live on Google Cloud Run!**