Stale instruction check
Paste one CLAUDE.md or skill file. RouteKit looks for old model names, old dates, time-bound claims, workarounds for old limits, heavy capital-letter emphasis, repeated lines and very long files.
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Delete-and-retest checklist
- Delete the flagged lines.
- Run 3 of your usual tasks.
- Re-add only the lines whose absence caused a problem.
Open your bookmarked unlock page to get the blank rewrite template.
The free check shows the first 3 flags by severity. The full report, with every flag, the checklist, a report download and a blank rewrite template, is part of the one-time RouteKit unlock.
Heuristics, not benchmarks. A flag means "look at this line", not "this line is wrong".