Skip to main content

News

  • Claude
  • Claude Code 2.1.283
  • Developer

Claude Code 2.1.283 adds exact model controls and audits old agent prompts

Anthropic added exact-version model allowlisting, explicit model denial, and a prompt audit for CLAUDE.md files, skills, agents, and commands. The release also repairs deferred tool-result loss, background MCP progress, and a cloud-restart path that could repeat a completed step.

Published Updated 1 source

Primary source

Anthropic · September 25, 2026

Read the original: Claude Code 2.1.283 release notes

Opens Anthropic in a new tab. Read it there before you rely on the summary above.

Unlock the full brief free.

  • What to check before you trust this story, written down
  • Each verified source, with why it matters and who published it
  • A note whenever a source has been withdrawn
  • Thirty days of stories to browse, not seven

This is not an account: there is no password, and the unlock is a cookie in this browser. You also join the Rise Productive newsletter from Demetri Panici, about once a week: what I built and what changed in AI. We'll email you a link to confirm, and you can unsubscribe in one click. The same signup unlocks every free tool on the site. How your email is handled.

Related on Rise Productive

Claude Code 2.1.283 adds exact model controls and audits old agent… | Rise Productive