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Sweep 28 Aug 2026 · 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.251 Feeds RSS JSON llms.txt
Reading a new release v2.1.251 Analysing changes · 2/5 Deeper second pass · 0/5 agents 427 findings $12.75 so far

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

Messages

api/beta/messages

first seen The page's own history The capture it came from

Nearest release: v2.1.239, published 2 hours before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

api/beta/messages Changed · +11 / -11 lines

This page is larger than the 256 KiB this site keeps, so one side of the diff below stops where the stored text does.

from line 4000
 
       - `version: string`
 
-        Skill version or 'latest' for most recent version
+        The resolved version: a skill version ID for custom skills.
 
   - `content: array of BetaContentBlock`
from line 8171
 
         - `enabled: optional boolean or null`
 
-          Whether this member is offered to the model. Default is per member, per the toolset's documentation.
+          Whether this member is offered to the model. Default is per member, per the toolset's docu