Wednesday, January 28, 2026

Show HN: Lightbox – An AI Agent’s Flight Recorder for Recording, Replaying, and Verifying Actions

Unlocking Security in AI Agents with Lightbox

In an era where AI agents are becoming increasingly autonomous, the need for accountability and transparency is paramount. Enter Lightbox—a Python library designed to track every tool call made by your AI agents, ensuring tamper-proof logging and enhanced security.

What Lightbox Offers:

  • Local Record Keeping: No cloud dependency; your infrastructure, your data.
  • Tamper-evident Logs: Cryptographic hashes ensure data integrity.
  • Error Replay: Diagnose failures accurately with recorded responses.
  • Framework-Agnostic: Compatible with LangChain, Claude, OpenAI, and others.

Use Cases:

  • Security Forensics: Investigate unexpected behaviors—was it prompt injection?
  • Compliance Assurance: Proven records of agent actions for auditing.
  • Debugging & Testing: Reproduce failures without costly API calls.

As AI agents evolve, so must our methods for safeguarding their operations. Explore Lightbox today!

👉 Visit Lightbox | GitHub Repository

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