Tools

Small, free linters for developers, built where a rule with a date meets software that has to follow it. Run them locally or in CI; every finding points to the article, field or error code it comes from.

ai-mark-lint

Checks that synthetic images, video and audio still carry the machine-readable AI marks the law asks for, and cites the article for every finding.

Cites: EU AI Act art. 50(2)California SB 942China GB 45438-2025
Reads: C2PA manifests, IPTC DigitalSourceType and the AIGC implicit label

Install

pip install git+https://github.com/easybytehub/ai-mark-lint

Run

ai-mark-lint --before generated.jpg --after edited.jpg

Source on GitHub →

attest-lint

Warns when a pinned Python dependency stopped shipping PEP 740 attestations on PyPI, or when its Trusted Publisher changed.

Cites: PEP 740PyPI Integrity API
Reads: pylock.toml, uv.lock, poetry.lock and requirements.txt

Install

pip install git+https://github.com/easybytehub/attest-lint

Run

attest-lint requirements.txt

Source on GitHub →

crs-lint

Lints OECD Common Reporting Standard XML offline against the official XSD and the Status Message business rules, citing the official OECD error code.

Cites: OECD CRS XML v2.0CRS 2.0 (v3.0)Status Message rules
Reads: CRS XML files, schema v2.0 and v3.0 (exchanges from 1 January 2027)

Install

pip install git+https://github.com/easybytehub/crs-lint

Run

crs-lint report.xml

Source on GitHub →

Also from EasyByte: verifactu-lint. The instrument of S1: checks in CI that the invoicing records your software generates comply with Spain's Verifactu rules, citing the article. pip install verifactu-lint