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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.309 ·

Claude API skill no longer names a specific tool for fetching references

When its reference files are missing, the Claude API skill now says to fetch the matching URL instead of naming WebFetch

Under the hood Internal Changes
JSON All of v2.1.309
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SkillsArea: what it touches
Internal ChangesKind: in v2.1.309,
Internal ChangesSection of the release
What

When the Claude API skill's reference files are unavailable, its fallback text now tells Claude to fetch the matching URL from shared/live-sources.md, rather than to use WebFetch specifically.

Why

The instruction no longer ties Claude to one particular tool for getting those pages.

See this entry in the whole of v2.1.309 →

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