Trace your AI Agents for FREE! (LangTrace)

# 🚀 Master AI Agent Observability with Langtrace - FREE Open Source Tool for LangChain, LlamaIndex & CrewAI Langtrace is an open-source **data observability** tool that allows you to monitor your **agentic ai** applications in **real-time analytics**. With Langtrace, you can track the performance of your **llm applications** and optimize your **developer productivity**. Understanding the behind-the-scenes interactions is key to improving your AI application. https://mer.vin/2025/07/langtrace/ http://langtrace.ai/ https://www.youtube.com/watch?v=O7RdEyRsatw Unlock the power of AI agent monitoring with Langtrace - a completely open-source observability tool that lets you track, optimize, and understand exactly what's happening behind the scenes in your AI applications! ## 📌 What You'll Learn In this comprehensive tutorial, I'll show you how to: - Install and run Langtrace locally on your computer for FREE - Monitor AI agent interactions, performance metrics, and costs in real-time - Integrate Langtrace with popular frameworks (LangChain, LlamaIndex, CrewAI) - Track API calls, embeddings, and retrieval processes step-by-step - Optimize slow functions and reduce operational costs - Set up human evaluation, dataset creation, and prompts registry ## 🔧 Key Features Covered **Langtrace Dashboard Overview:** - Real-time monitoring at localhost:3000 - Track interaction times and identify performance bottlenecks - Monitor total costs for running AI applications - Access human evaluation tools - Manage dataset creation and prompts registry - Configure settings for your specific needs **Multiple Integration Support:** - Ollama - Autogen - Gemini - And many more! ## 💻 Installation Guide **Prerequisites:** - Docker Desktop (download from docker.com) - Git installed on your system - OpenAI API key **Quick Setup Steps:** 1. Clone the Langtrace repository 2. Navigate to the langtrace folder 3. Run Docker Compose to start the application 4. Access the dashboard at loca