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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.248

Oversized served PDF reads are refused with a clear reason

You'll notice
Useful2 Signal2
File Tools

An oversized PDF read over a remote connection is refused with a clear explanation.

What

A Read of a PDF that arrives over a remote connection is now checked against that connection's size budgets, and one that exceeds them comes back as an explicit refusal with an explanation instead of an oversized payload.

Details
  • Budgets consulted are the per-read page cap, the whole-PDF raw byte limit and the image raw byte limit.
  • A refusal is returned as an invalid-request result rather than as file content.
  • Only applies when the read is served over a remote call; local reads are unchanged.
Evidence

Served whole-PDF read over the transport budget

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.248 →