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since-cutoff

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Find which APIs of a project's pinned Python dependencies changed after the model's training cutoff, where the code uses them, and write short AGENTS.md or CLAUDE.md notes.

When to use

• Use when the user asks whether you know the versions of their Python dependencies, or what changed since your training data.
• Use when code keeps failing on a renamed, moved or removed function, class or parameter of a pinned library.
• Use after a dependency upgrade, before writing code against the upgraded library.
• Do not use for projects that are not Python.

When not to use

• Python projects only.
• It compares the shape of the public API: names, signatures, parameters and deprecation markers. A change in behaviour behind an unchanged signature is invisible to it.
• The training cutoff only decides which changes to look at. It does not show what the model memorised; `run` measures that.
• It needs network access to PyPI, and to models.dev for model cutoffs. The first scan downloads the releases it compares. Results are cached locally.

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