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Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

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.

One change

DCF Model Rubric

managed-agents/define-outcomes

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Nearest release: v2.1.237, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

managed-agents/define-outcomes Changed · +1 / -1 lines

from line 55
 Pass the rubric as inline text on `user.define_outcome` (see [Create a session with an outcome](https://platform.claude.com/docs/en/managed-agents/define-outcomes#create-a-session-with-an-outcome)), or upload it through the Files API for reuse across sessions.
 
 <Note>
-  Uploading through the Files API requires a beta header that grants Files API access. Your Managed Agents beta header grants this on its own, so you don't need to send `files-api-2025-04-14` alongside it. The curl example passes its headers explicitly.
+  Uploading through the Files API doesn't require a beta header. The cURL example sends the `managed-agents-2026-04-01` header it uses throughout this walkthrough, which the Files API also accepts.
 </Note>
 
 <CodeGroup>