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Alibaba open-sources Open Code Review for Claude Code, Codex, Cursor

Alibaba open-sourced Open Code Review (ocr), its production AI review CLI that pairs deterministic file selection and rules with an LLM agent for line-level comments. It works with OpenAI/Anthropic endpoints and ships plugins for Claude Code, Codex, and Cursor.

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MCP Python SDK: malicious servers could steal OAuth credentials

Cycode found the official MCP Python SDK (1.9.1–1.29.1 / 2.0.0–2.1.1) could skip issuer checks on OAuth discovery fallbacks, letting a malicious MCP server harvest client secrets, auth codes, and PKCE keys (GHSA qx49 fqc8 xw99, CVSS 7.5). Fixed in 1.30.0 / 2.2.0—machine to machine providers also need an explicit issuer= argument…

Cycode

Claude Code: build-eval and hillclimb tune agents without overfitting

Anthropic’s claude api skill adds /claude api build eval (guided eval design in your repo) and /claude api hillclimb (one change per round tuning with a held out set to catch overfitting). On an internal support bench, hillclimb lifted search accuracy from 74.4% to 98.9% while cutting cost to about one fifth…

Anthropic

Claude Code 2.1.285: disable WebFetch, admins lock API providers

Claude Code 2.1.285 (npm Sept 29) adds CLAUDE CODE DISABLE WEB FETCH to turn off WebFetch and a managed allowedProviders policy so admins can lock machines to Anthropic, Bedrock, Vertex, Foundry, or a cloud gateway. It also ships claude desktop , claude plugin configure , and a fix for URL passwords leaking past log redaction…

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