Fetching from the wire…
Tools2026-09-04 · source-backed
The September 3 release aligned sandboxed file tools with sandboxed shell commands so both read the same developer-tool paths, explicitly including token-bearing registry config. Set sandbox.allowDevToolAccess to false to turn the grants off. Same release fixed enterprise-denied MCP servers starting before the managed allow/deny policy resolved; server startup now waits for the managed-settings fetch instead of racing it. Same class of boot-order race Claude Code hit in 2.1.259. GitHub
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Anthropic invented a file convention. It's now shipping GA inside a competitor's product. Nobody wrote a spec, nobody held a standards meeting, it just happened. On July 29, GitHub made agent skills and MCP server support generally available in Copilot code review for all Pro,...
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Block released it August 27 with a security section dominated by defaults that previously failed open: fail closed on malformed tool visibility, permission denies now take precedence, fail closed on invalid default GCP credentials and invalid Codex ACP mode, honor plugin enabl...
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A GitHub repo cataloging Claude Code tips doesn't normally warrant a top story. But shanraisshan/claude-code-best-practice at 53.4K stars isn't a tips list anymore. It's the de facto reference for how an entire generation of developers is learning to work with AI coding agents...
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