Rashomon is listed as Open Source. Check https://github.com/altrace-dev-role/rashomon for the current plan limits, as vendors change pricing frequently.

Rashomon

Q: What is Rashomon?

Rashomon is a code AI tool listed on Use AI Tools. Rashomon keeps an independent record of what your Claude Code agent actually did — every tool call, subagent and failed command — and puts it beside the agent own summary, flagging discrepancies at the end of the turn in one line. It is local-only with no telemetry, and the full report includes what subagents did, which the main conversation does not show. Claude Code only, on macOS and Linux, at alpha.

Q: What is Rashomon best for?

Rashomon is commonly used for Agent verification, Audit trails, Hallucination detection. It supports English.

Code⚡ Advanced✅ Global access

Agent verificationAudit trailsHallucination detection

Open SourceEnglish

Rashomon keeps an independent record of what your Claude Code agent actually did — every tool call, subagent and failed command — and puts it beside the agent own summary, flagging discrepancies at the end of the turn in one line. It is local-only with no telemetry, and the full report includes what subagents did, which the main conversation does not show. Claude Code only, on macOS and Linux, at alpha.

Visit Website Compare

Community Rating

Be the first to rate Rashomon. Your feedback helps other users decide.

🎯 Real-World Use Cases

Catch a summary that does not match reality

The end-of-turn line flags when the agent claims all tests pass but something failed.

See what subagents did

The full report lists subagent activity the main conversation hides.

Keep it local

The record stays on your machine with no telemetry.

⚖️ Honest Review

✅ Pros

+An independent record rather than the agent own account
+16 stars and Apache-2.0
+Flags discrepancies in one line at the end of a turn

⚠️ Cons

−Claude Code only, on macOS and Linux
−Alpha software

📚

Guides and comparisons about code tools

CodeOct 25, 2026