PandaProbe

PandaProbe is an open-source agent engineering and observability platform for tracing, evaluating, monitoring, and debugging AI agents. It is built for teams moving from local AI experiments into production workflows where normal application logs do not explain why an agent made a decision. The product focuses on agentic APM. Developers can trace full agent executions, inspect LLM calls and tool steps, score sessions with agent-specific metrics, schedule recurring evaluations, track latency, monitor token costs, and watch quality trends across production traffic. PandaProbe offers both a free open-source self-hosted option and a hosted cloud product. Its pricing page lists Hobby, Pro, Startup, Enterprise, and Open Source routes, making it useful for hobby projects, startups, and teams that need self-hosting or hybrid deployment. For FutureStack, PandaProbe belongs in Developer Tools because observability is becoming required infrastructure for serious AI agents. It is best for teams using LangGraph, CrewAI, Claude Agent SDK, or similar systems that need traces, evals, reliability monitoring, and debugging depth.