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Claude Code official documentation

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The documentation moved: old addresses of the form docs.claude.com/en/docs/claude-code/ redirect to code.claude.com/docs/en/, so bookmarks need updating. It covers every environment Claude Code runs in, from the terminal and the VS Code and JetBrains editors to the desktop app and the web, along with a table that points each intent at the right tool.

code.claude.com ↗

CLAUDE CODE2.1.294hooks written as instructions now block what t
Agentsmedium signal

Claude Code 2.1.294 fixes prompt hooks that let through the actions they were written to block

Anthropic released Claude Code 2.1.294 on October 8, 2026. It fixes prompt and agent hooks phrased as instructions, which could allow exactly the actions they were meant to stop. Version 2.1.295 followed the same day with an onFailure setting that makes a crashed or timed-out command or HTTP hook block the action. Releases 2.1.292 and 2.1.293 from earlier in the week closed several permission and sandbox gaps.

Claude Code Releases (GitHub)verified

Anthropic's illustration for the mods announcement: a hand-drawn hand placing a white block onto a wall of outlined bricks, on an orange background.
Agentsstrong signal

Claude Code mods are not sandboxed, and version 2.1.289 fixes a deny rule they could override

Anthropic introduced mods for Claude Code on October 1, 2026. They are TypeScript functions, shipped inside plugins, that can rewrite prompts, change tool calls, and redraw parts of the interface. The documentation says mods are not sandboxed and run with your permissions, which covers your files, environment variables, and API keys. On Team and Enterprise plans a built-in mod named sec-default loads first and restricts the mods that users install. Versions 2.1.288 and 2.1.289 fix several cases where permission rules did not hold.

Anthropicverified

Claude Code on the web | Claude by Anthropic
Agentsmedium signal

Claude Code 2.1.282 stops repository settings from switching on telemetry export

Anthropic released Claude Code 2.1.282 on September 24, 2026. Project and local settings files can no longer turn on OpenTelemetry export, set where it goes, or capture content. The release also closes several ways a repository's files could weaken settings an administrator manages.

Claude Codeverified