Compare current model+HARNESS_VERSION pipeline metrics against stored baselines and produce a per-feature regression report. Use after Anthropic ships a model upgrade or when /cspec/cstatus surfaces a harness version_bumped advisory. Read-only on the fingerprint store; writes only the baseline file.
How to install cmodelupgrade?
joshft/correctless/cmodelupgrade
$npx -y skills add joshft/correctless --skill cmodelupgradeInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/joshft/correctless" --skill "joshft/correctless/cmodelupgrade"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/joshft/correctless" that are relevant to the current task. Run `npx skills add "https://github.com/joshft/correctless"` and select the relevant skills, then follow their instructions.
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