Agent-Blackbox
Find out which agent messed up in 3 seconds.
Free1,809 impressions#21 of its week
Agent-Blackbox records and signs each AI agent's decisions to provide instant blame-chain analysis.
- for
- Developers building multi-agent systems who need fast incident tracing.
- pricing
- open source
- license
- MIT
Key features
- Trace decorator — Wraps agent functions to automatically record runtime events.
- JEP-style events — Emits stable event objects with identity and cryptographic signatures.
- Declared links — Records parent-child relationships for incident review.
- Evidence digests — Captures input, output, and error digests for each event.
- Local blackbox log — Stores JSONL event records locally for later analysis.
- Incident review — Reconstructs causality chains around a failure with a single command.
- Integrity check — Verifies event hashes and Ed25519 signatures to ensure tamper-proof logs.
Use cases
- Identify which agent caused a failure in a multi-agent workflow within seconds
- Verify integrity of recorded agent decisions for compliance audits
- Reconstruct decision chains after an incident to aid debugging
- Generate signed evidence of agent inputs/outputs for forensic analysis
Agent-Blackbox FAQ
How do I install Agent-Blackbox?+
Install the pre-release package with pip install --pre agent-blackbox-jep, then import agent_blackbox in your code.
What command shows the blame chain for a failure?+
Use the CLI command agent-blackbox review <event_hash> or agent-blackbox tree to display the chain.
Does the tool prove legal liability?+
No; it records signed events but the boundary statement says it does not establish factual causality or legal responsibility.
Can I verify an event’s integrity?+
Yes, the agent-blackbox verify command checks the event’s hash and Ed25519 signature.
Is there a runtime dependency on a specific JEP version?+
Events use Core 0.7 JEP event identity; see the repository’s HARDENING.md for details.
Summarized by DevHunt from github.com · Oct 4, 2026. Details may change; check the official site.
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