Claude Code auto mode no longer bills you for the classifier
The v2.1.278 default saves auto-mode users the classifier's tokens; the same wave adds AGENTS.md support, claude.ai skill sync, and ctrl+enter send-now.
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Auto mode's classifier stops charging you
As of v2.1.278, Claude Code's auto mode defaults to a server-side classifier that doesn't bill you for the tokens it spends picking a model — across the Claude API, Enterprise, Bedrock, Vertex, Foundry and gateways. A new /status row shows where the classifier runs, and it warns on the billed fallback (opt out with CLAUDE_CODE_AUTO_MODE_SERVER=0). If you lean on auto model selection, this is a quiet cut to your per-session bill.
AGENTS.md now works in Claude Code
In a project with no CLAUDE.md, Claude Code (v2.1.277) now reads AGENTS.md instead — the same instructions file Codex and Cursor already use — so a single file can steer every agent in your repo. Edit it under “Project instructions” in /config. Not yet wired up on Bedrock, Vertex or Foundry.
Your claude.ai skills and plugins sync to the terminal
Skills and plugins you set up on claude.ai now sync into terminal sessions (v2.1.275), and `claude plugin install --marketplace <source>` pulls straight from a marketplace. Configure once on the web and it follows you into every Claude Code session.
Ctrl+Enter jumps the queue
A new send-now key (ctrl+enter, v2.1.275) interrupts the current turn and immediately fires whatever you’ve queued instead of waiting for Claude to finish. Small, but it changes the rhythm of steering a long agent run mid-flight.