MohammadHijjawi97/since-cutoff

Find which APIs of your pinned Python dependencies changed after your coding model's training cutoff, and give the agent short AGENTS.md / CLAUDE.md notes from a static API diff. No model calls, no AP

About since-cutoff

Your coding assistant's training data stops before your dependencies' latest releases, so it can write calls your pinned versions no longer accept. since-cutoff shows where your code uses an API that changed after the model's training cutoff, and writes the short notes your assistant needs to avoid the old form.

The sample project calls client.messages.create and pins anthropic 1.8.0. The latest anthropic release at Claude Sonnet 4.5's training cutoff was 0.60.0, whose create still took temperature; 1.8.0 raises TypeError for it. What scan prints, trimmed to the anthropic part:

The call in app/main.py passes none of these parameters, so it is marked "uses this API", not "old form": it works today, but an assistant writing for 0.60.0 could add temperature=0.2 when it edits the call. The note is what since-cutoff sync writes into AGENTS.md so that it does not; its tag, [diff], says what the note rests on: a static comparison of the two releases' public APIs. The parameters left the signature, which is not the same as the API dropping the field, so where the pinned method has an extrabody or extraquery argument the note says so instead of telling the assistant to drop the field.

Try it on your project. No API key, no model call. In the project root:

It detects your coding model (or pass --model), reads your lockfile, takes each dependency's latest release on or before the model's training cutoff, and compares that release's public API with the version you pin, statically: no package code runs. The cutoff only chooses which changes to look at; it says nothing about what the

From the project README.

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