agenticcodingdocumented
Claude Code
Anthropic's coding agent CLI. Reads project instructions, calls tools, and stays human-gated per session.
- Who it’s for
- Developers running Claude in a repo, terminal, or IDE sidecar.
- How it runs
- Tool use + multi-step plans, still human-gated per session.
- Runtime
- cli, ide
- Last ship on file
- v2.1.278 (release notes, Sep 19 2026)
- Limits of this dossier
- Coverage on this desk is documentation comparison of GitHub releases, not a firsthand install matrix. AGENTS.md fallback and gateway controls are release-note facts, not tested here.
Primary sources
Coverage
- Claude Code v2.1.278: Auto Mode's Safety Classifier Runs Server-Side and Stops Billing Classifier Requests
- Claude Code v2.1.277: AGENTS.md Fallback, Gateway Egress Controls, and Static Upstream Headers
- Claude Code v2.1.275: Plugin Supply-Chain Hardening and Claude.ai Skills Sync Bug Fixes
- Claude Code v2.1.274: Streamable HTTP MCP Timeout Fix, Gateway Sigterm Drain
- Claude Code v2.1.273: Gateway Hint Headers, MCP Disconnect Notifications, Reverted Eval Deny