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CAI

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How the index is computedThe published rules, and how the parts combine into one number.Dimensions & lensesEvery part of a codebase the standard looks at, and when each one applies.Rubric versionsVersioned and contestable. A score always names the rubric it was scored under.The noise standardPublish a false-positive rate somebody else can check. Open to any vendor.
Check a survey or a deliveryPaste it and check it here. Signature and number, reported separately.Reference scorer & command lineThe free program that turns evidence into a score. Run it offline, on your own machine.Signed deliveries (the registry)Where signed scores are kept, and how one gets handed to somebody else.Badge & mark usageA badge must link to the record it claims.
GovernanceWho decides what the standard says, and what limits them.ImplementationsThe difference between the standard and the software that uses it.ContactWrite to the people who maintain the standard.
The state of the corpusEvery measured codebase read together: what they score, what they ship, and what could not be measured.Measured codebasesOne page per codebase, and a field guide per language.PublicationsThe papers and articles behind the standard. Versioned, and signed before they appear.
Check a score
Software that uses CAI

Software that uses CAI Check a score

golang.org/x/crypto

Every figure here counts codebases where this package was SEEN carrying an advisory. A codebase whose advisory list was cut short may carry it without being counted.

CAI figure band

Advisories raised against it

The standardHow a score is worked out What gets measured How the rules change The noise standard API reference

Check a scoreCheck a score you were given Run it on your own machine Where scores are kept Badges

The corpusThe state of the corpus Measured codebases Publications

Who runs itGovernance Implementations

ContactWrite to the people who maintain the standard

CAIby The Code Assurance Initiative

© 2025–2026 · An independent open standard for codebase condition.