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failproofai

Open source

Open-source observability and policy enforcement for AI agent harnesses, capturing runs and blocking risky tool calls.

3.2kNOASSERTION

Observability and enforcement for AI agent harnesses. Capture every run and runtime reliability with policy enforcement. 40 built-in policies, a local dashboard, no account required with a generous free cloud plan

Pros

  • +Hooks 12 agent harnesses including Claude Code, Codex, and Cursor with unified events and policies
  • +39 built-in policies block dangerous tool calls before execution with zero latency
  • +Runs locally with a local dashboard and no account required, plus a generous free cloud plan

Cons

  • −Enforcement for custom agents requires adding a hook in your own runtime
  • −Broad harness coverage means setup varies per integration
  • −License is MIT plus a Commons Clause, which may restrict some commercial uses

Target audience: AI engineers and platform teams running coding agents or autonomous assistants who need runtime guardrails and audit trails.

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