Tool
GitHub - IdoGol24/weir: API key leak detection for the agents you build and the coding agent you use. Test any agent with planted fake keys, or see which of your real keys a Claude Code session exposed.
Publication date unknown · Discovered github.com
Page published
Publication date unknown · First observed: 27 Oct 2026
Coverage timeline
Single-source research — one report is available.
Why it matters
Weir helps defenders evaluate whether agents leak credentials and investigate API-key exposure during coding-agent sessions.
Weir is an API-key leak-detection tool for testing AI agents with planted fake keys and checking which real keys a Claude Code session exposed.