🚀
LangAgents — AI Agent Platform
Full-stack AI agent platform with LangGraph execution graphs, RAG retrieval, real-time SSE streaming and complete LLM observability via Langfuse.
## 🔧 Tech Stack
LangGraphLangChainFastAPINext.jsAnthropic ClaudeChromaDBLangfusePostgreSQLDockerSSE
## 📈 Workflow
api
User Query Input
User sends a query via Next.js frontend
ai
LangGraph Agent
StateGraph orchestrates reasoning steps (ReAct pattern)
database
RAG Retrieval
Semantic search in ChromaDB with nomic-embed-text embeddings
ai
Claude LLM Response
Generate response with context via Anthropic Claude
transform
SSE Streaming
Real-time token streaming to frontend via Server-Sent Events
monitoring
Langfuse Tracing
Full observability: latency, cost per token, quality metrics
## ✨ Features
- •LangGraph StateGraph for stateful agent execution
- •RAG pipeline with ChromaDB vector store
- •Real-time token streaming via SSE
- •Full LLM observability with Langfuse (traces, cost, latency)
- •Multi-model support (Claude, GPT, local Ollama)
- •FastAPI async backend with Pydantic validation
- •Next.js frontend with Server Components
- •Docker Compose deployment
## 🎯 Results
- ✓End-to-end latency under 2s for complex agent queries
- ✓100% trace coverage for all LLM calls
- ✓Modular architecture — swap LLM providers in minutes
- ✓Used as foundation for DockPlus AI client projects
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