Claude Code System Prompts Time Machine is described as an archive and extraction tool for tracking Claude Code’s system prompts across CLI/SDK releases, associated with the Piebald-AI repository; the supplied snippets do not establish brewpirate’s precise role. The repository says it extracts prompts directly from published Claude Code npm code and maintains prompt/token data plus a changelog spanning 253 versions, while a session-level evaluation workflow is reportedly still under development. The surrounding evidence supports the motivation—small harness-prompt changes can materially affect agent behavior—but independent accuracy and reproducibility testing are not yet established here.
2026-08-21T17:50:07Z
Repeated re-observation has produced no independent use, accuracy audit, or shipped evaluation workflow, and no near-term confirming event is expected. The artifact may still be useful, but this episode has faded and should be rediscovered only on substantive implementation evidence.
2026-08-19T16:50:49Z
The latest refresh is again repetitive discussion, not independent use, an accuracy audit, or a completed evaluation workflow. Suppress comment-driven review and revisit only for direct validation or a shipped session-level workflow.
2026-08-17T16:37:54Z
The refreshed discussion is repetitive amplification and adds no independent use, archive-accuracy audit, or completed evaluation workflow. Keep the case parked until the artifact is directly validated or its session-level evaluation workflow ships.
2026-08-17T14:45:58Z
The refreshed discussion remains repetitive amplification and provides no independent use, archive-accuracy audit, or reproducible evaluation result. Ignore further comment churn until the artifact is directly validated or its session-level workflow ships.
2026-08-17T12:48:24Z
The refreshed comments are repetitive discussion of system prompts and add no independent use, accuracy audit, or reproducible evaluation result for this archive. The case remains parked pending direct artifact validation or release of the session-level evaluation workflow.
2026-08-17T11:29:13Z
The refreshed comments remain general amplification and add no independent use, archive-accuracy audit, or reproducible evaluation result. Suspend comment-driven review until the artifact is directly tested or its session-level evaluation workflow ships.
2026-08-17T08:31:40Z
Another comment refresh adds no independent use, archive-accuracy audit, or reproducible evaluation result. Stop reacting to discussion churn and revisit only when the artifact is directly tested or its session-level workflow ships.
2026-08-17T07:34:21Z
The refreshed discussion is repetitive amplification and adds no independent use, archive-accuracy audit, or completed evaluation workflow. Further comment churn should be ignored until the artifact itself is tested or its session-level workflow ships.
2026-08-17T06:30:04Z
The refreshed comments are repetitive amplification and add no independent use, archive-accuracy audit, or reproducible evaluation result. Keep the case parked until the artifact is directly validated or its session-level evaluation workflow ships.
2026-08-17T05:28:17Z
Another comment refresh adds only repetitive discussion, with no independent use, archive-accuracy audit, or reproducible evaluation result. Keep the case parked until direct validation or the session-level workflow ships.
2026-08-17T04:30:50Z
The latest comment refresh is further repetitive amplification, not independent use, an archive-accuracy audit, or a reproducible evaluation result. Park the case until the artifact is directly validated or its session-level evaluation workflow ships.
2026-08-17T03:31:12Z
The refreshed comments again provide only general system-prompt discussion, with no independent use, accuracy audit, or reproducible evaluation result for the archive. Repeated comment churn should remain parked until the artifact itself is validated or its session-level workflow ships.
2026-08-17T02:29:59Z
The refreshed comments remain general discussion and add no independent use, archive-accuracy audit, or reproducible evaluation result. Repeated comment churn no longer merits close review without direct validation or a shipped session-level workflow.
2026-08-17T01:23:39Z
The latest discussion refresh is repetitive context about system prompts, not independent use, an archive-accuracy audit, or a reproducible evaluation result. Keep the case parked until the artifact itself is tested or its session-level workflow ships.
2026-08-16T23:26:36Z
The refreshed discussion again adds no independent use, archive-accuracy audit, or reproducible evaluation result. Despite a hot surrounding topic, this case remains parked pending direct validation of the artifact or completion of its session-level workflow.
2026-08-16T22:31:54Z
Further comment churn adds no independent use, archive-accuracy audit, or completed evaluation workflow. Keep the case parked until implementation evidence directly tests its core value.
2026-08-16T20:32:28Z
Repeated comment refreshes remain generic discussion of system prompts and harness customization, not evidence about this archive’s accuracy or evaluation workflow. The case should stay parked until independent use, an audit, or a working session-level evaluation appears.
2026-08-16T18:34:09Z
The latest comment refresh is repetitive discussion rather than independent use, an accuracy audit, or a completed evaluation workflow, so the case’s meaning remains unchanged. Further comment-only updates should not raise its priority without substantive validation.
2026-08-16T17:40:43Z
The refreshed discussion remains repetitive context about system prompts and harness customization, with no independent accuracy check, usage report, or reproducible evaluation result. The archive remains potentially useful but unvalidated.
2026-08-16T16:33:24Z
The refreshed comments remain general discussion of system-prompt design and customization, adding no archive-accuracy check, independent usage result, or reproducible evaluation. The case’s meaning is unchanged despite the hot surrounding topic.
2026-08-16T15:36:07Z
Refreshed discussion reinforces general interest in system-prompt growth and harness customization but adds no independent use, archive-accuracy check, or reproducible evaluation result. The case’s core claim therefore remains unvalidated and unchanged.
2026-08-16T14:35:41Z
A separate git-based system-prompt history shows independent implementation of the archival pattern, strengthening the use case beyond the original repository. It still does not test this archive’s capture accuracy or demonstrate reproducible behavioral evaluation.
2026-08-16T13:25:33Z
Anthropic’s first-party prompt release notes improve the archive’s source basis, but they neither validate its capture accuracy nor demonstrate the promised reproducible evaluation workflow.
2026-08-16T13:22:47Z
evidence attached: hn.story.49319556 — Anthropic's first-party system-prompt release notes provide useful source material for evaluating prompt archival and reproducibility.
2026-08-14T19:45:33Z
Re-observation adds no independent validation, implementation evidence, or completed evaluation workflow; the repository remains a potentially useful but unverified prompt-archive artifact.
2026-08-14T19:30:52Z
grounded: converges/medium — The tool independently operationalizes Scott’s position that prompts and harnesses are versioned production artifacts whose behavioral effects should be tested
2026-08-14T19:28:47Z
case created — The repository is a usable harness-analysis artifact focused on otherwise undocumented prompt changes, though evidence of evaluation value is still limited.