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wire 2026-05-29
stories 21
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MACOS PYTHON 3.9 BUG SILENCES SECURITY REVIEWER - AGENT SDK HOSTING COOKBOOK SHIPS

By RepoJournal · Filed · About Anthropic · Composed from the cited sources · methodology

mhegazy bryan-anthropic noahzweben yamz8 kevintang513 dazzaji akhilesharora
7 people shipped this
mhegazy @mhegazy 1 cited bryan-anthropic @bryan-anthropic 1 cited noahzweben @noahzweben 1 cited yamz8 @yamz8 1 cited kevintang513 @kevintang513 1 cited dazzaji @dazzaji 1 cited akhilesharora @akhilesharora 1 cited

The security-guidance plugin's agentic commit reviewer has been silently failing on macOS systems with Apple's default Python 3.9, even when Python 3.10+ is installed.

A three-layer bug in claude-plugins-official [2] caused the LLM-powered commit reviewer to never run on affected macOS machines. The issue: `sg-python.sh` only checked major version numbers, always preferring Apple's 3.9 over newer Homebrew installs, while `claude_agent_sdk` requires Python 3.10+. The fix merged overnight [1] and patches the version detection logic. In parallel, the same repo shipped per-entry verdict comments for plugin scans [3], allowing downstream dashboards and label automation to read verdicts directly from PRs instead of scraping logs. The team also added Apache 2.0 licensing at the repo root for consistency [4]. Over in claude-cookbooks, the Agent SDK hosting cookbook just dropped [6], walking teams through deployment across Docker Compose, Modal, and Kubernetes using identical container images and HTTP interfaces. On the legal tools side, two critical fixes landed: a handoff request extractor that was truncating nested JSON payloads at the first closing brace [7], and a Linux compatibility fix for the deployment script where mktemp templates needed three X's instead of two [8]. The healthcare desk documented the ICD-10 Codes MCP connector in the main README [5], closing a gap where users couldn't discover it from top-level docs.

Action items

References

  1. [1] Merge pull request #2073 from anthropics/fix-2071-macos-python-39 ↗ anthropics/claude-plugins-official
  2. [2] security-guidance: enable LLM review on default macOS Python 3.9 (#2071) ↗ anthropics/claude-plugins-official
  3. [3] feat(scan): emit per-entry sticky verdict comments ↗ anthropics/claude-plugins-official
  4. [4] Add Apache 2.0 LICENSE to repo root ↗ anthropics/claude-plugins-official
  5. [5] Add ICD-10 Codes MCP to README documentation ↗ anthropics/healthcare
  6. [6] Agent SDK cookbook 07: Hosting your agent (Docker / Modal / Kubernetes) ↗ anthropics/claude-cookbooks
  7. [7] Fix handoff_request extractor truncating nested payloads at the first `}` ↗ anthropics/claude-for-legal
  8. [8] Fix mktemp template so deploy-managed-agent.sh runs on Linux ↗ anthropics/claude-for-legal

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

the week in review Sonnet 5.5 becomes the default model the month in review Sandbox and SDK holes dominate Anthropic's September
Full archive → Weekly reviews →

Quick answers

What shipped in Anthropic on May 29, 2026?
The security-guidance plugin's agentic commit reviewer has been silently failing on macOS systems with Apple's default Python 3.9, even when Python 3.10+ is installed. In total, 11 commits and 10 pull requests landed.
Who contributed to Anthropic on May 29, 2026?
7 developers shipped this update, including mhegazy, bryan-anthropic, noahzweben, yamz8, kevintang513, dazzaji, and akhilesharora.
What were the notable Anthropic updates?
Merge pull request #2073 from anthropics/fix-2071-macos-python-39, security-guidance: enable LLM review on default macOS Python 3.9 (#2071), and feat(scan): emit per-entry sticky verdict comments.
♥

$ log @anthropics --recent

Python and Java SDKs take claude-haiku-5-5, typed computer and browser tool calls 49 shipped sandbox-runtime drops connections on invalid upstream status, buffa tightens its parsers 111 shipped Claude Code symlink TOCTOU allows arbitrary file write 15 shipped Sandbox path entries stop silently dropping bracketed directories 6 shipped

$ log --all # elsewhere on the wire

@openclaw OpenClaw fixes premature approval expiry, embedding readiness, and startup integrity proofs Agentic Coding Cline drops dead CLI flags, gemini-cli fixes auth retry loop, Gemini adds OTLP headers

$ ls showcases/

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

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