failbook
The internet's mistake notebook — after two failures, check real cases before the 3rd attempt
When a model fails the same task twice, the cause usually hides in the request, not the model. failbook collects real failure cases of similar asking scenarios: after the second failure, search before your third attempt and see how others went wrong and how to re-ask. It only archives human-error cases — the kind that never expire with model upgrades. The case base is open to search and contribution, and grows as it is used.
The mistake notebook · free & open · human-error cases never expire
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Two-strike flow: search after the 2nd failure, before the 3rd attempt — matched cases show the typical ask, root cause, and a suggested rephrasing
Human-error cases only (unclear asks, mismatched needs): they never expire as models improve
Works for both agents and humans: one-click skill download plus a zero-dependency CLI for search