Agent Tracing Python Packages

peaky-peek

Lightweight tracing SDK for AI agents. Capture decisions, tool calls, and LLM events with one context manager.

peaky-peek-server

Self-hosted server for Agent Debugger — FastAPI backend, SQLite/Postgres storage, SSE streaming, and React UI.

causetrace

AI coding agent observability and causal tracing for Claude Code, Codex CLI, and OpenCode

open-reflection-protocol

Turn agent failures into regression tests, reusable lessons, and measurable improvements

agenttrace-runtime

Open-source runtime tracing and diagnostics for AI agent execution flows.

browsertrace

Local replay debugger for Browser Use failures with screenshots, model I/O, failed-step timelines, and public-safe HTML exports.

trellis-ai

Trellis — structured memory and learning for AI agents