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wire 2026-09-04
stories 18
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$ the-wire · showcase

Claude Code bumps to 2.1.260 across action and SDK

By RepoJournal · Filed · About Anthropic

GitHub Actions anthropic-sdk-publisher anthropic-sdk-publisher[bot]
3 people shipped this
GitHub Actions @actions-user 3 cited anthropic-sdk-publisher @anthropic-sdk-publisher anthropic-sdk-publisher[bot] @anthropic-sdk-publisher[bot]

Anthropic's GitHub Actions and Python SDK now bundle Claude Code 2.1.260 and Agent SDK 0.3.260, keeping the toolchain in lockstep.

The claude-code-action now runs Claude Code 2.1.260 and Agent SDK 0.3.260 [1]. The claude-code-base-action synced from that commit, so any reuse of the base action inherits the same versions [2]. The bundled CLI in claude-agent-sdk-python also moved to 2.1.260, covering the Python SDK path [3]. This release train updates tooling across CI actions and SDKs.

Separately, the homebrew tap refreshed the cask for ant to v1.30.0 , but this looks like an automated duplicate of the same release . CI workflows using these actions should see the new versions on their next run.

Action items

References

  1. [1] chore: bump Claude Code to 2.1.260 and Agent SDK to 0.3.260 ↗ anthropics/claude-code-action
  2. [2] Sync from claude-code-action base-action@ef8bb1e ↗ anthropics/claude-code-base-action
  3. [3] chore: bump bundled CLI version to 2.1.260 ↗ anthropics/claude-agent-sdk-python

$ ls anthropics/reviews/ # the step-back reads

the week in review Buffa hardens encoding, OwnedView drops Drop the month in review Claude Code sync stabilizes, Anthropic SDKs hit 1.0, plugins roll at scale
Topics: AI / ML Full archive →

Quick answers

What shipped in Anthropic on September 4, 2026?
Anthropic's GitHub Actions and Python SDK now bundle Claude Code 2.1.260 and Agent SDK 0.3.260, keeping the toolchain in lockstep. In total, 10 commits, 7 pull requests, and 1 releases landed.
Who contributed to Anthropic on September 4, 2026?
3 developers shipped this update, including anthropic-sdk-publisher, anthropic-sdk-publisher[bot], and GitHub Actions.
What were the notable Anthropic updates?
chore: bump Claude Code to 2.1.260 and Agent SDK to 0.3.260, Sync from claude-code-action base-action@ef8bb1e, and chore: bump bundled CLI version to 2.1.260.
♥

$ log @anthropics --recent

Buffa strict parsers: unknown fields and bad descriptor indices now rejected 6 shipped Claude Code 2.1.263 ships across GitHub Actions and SDK packages 8 shipped SDKs ship compliance types, Claude Tag usage breakdowns 27 shipped Buffa descriptor pool now rejects malformed enums and reserved fields 74 shipped

$ log --all # elsewhere on the wire

Meta React Native adds Stable API guards to renderer attributed string FastAPI & Pydantic Pydantic fixes Mypy plugin crash, tightens datetime constraints

$ ls showcases/

Rails Django Laravel Node.js Go Vercel Vue.js Kubernetes HashiCorp Arch Linux Linux OpenAI

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