Open-source agent-certify baselines your agent system and alerts on anomalies

CognitiveEngineering · reddit · 2026-10-28

A new open-source tool, agent-certify, learns what your AI agent system normally looks like from past sessions (tools used, communication patterns, error rates, sub-agent behavior) and flags deviations in new runs: unseen tools or first-time sub-agent spawns trigger CRITICAL, while 3x error rates or new agent-to-agent links trigger WARNING.

It also ships a policy engine (mark tools as FORBIDDEN), blast radius analysis for compromised nodes, and an MCP server so agents can check their own anomalies. Works with Claude Code (.jsonl), Cursor (.agent-trace), and MCP logs; installable via pip with 306 tests at 95% coverage.

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