Claude Code Mods

Claude Code Mods, shipped by Anthropic in October 2026, give developers direct control over how the Claude Code agent behaves. The logic: a more predictable, more customized agent produces code that needs less correction in review in the first place, reducing the burden on the review bottleneck rather than adding tooling downstream of it. Instead of bolting a verification layer onto agent output, Mods let teams shape the agent's behavior — its conventions, constraints, and decision patterns — so output arrives closer to mergeable. It landed in the same two-week window as GitHub's Copilot CLI computer-use preview and Google's CodeMender updates, as every major vendor shipped governance-flavored updates responding to the review-bottleneck problem.

The honest picture: Mods are a customization framework, not a guarantee — a well-configured agent still produces code that needs review. The feature is new and documentation is still maturing. Its effectiveness depends entirely on how thoughtfully teams configure it; default behavior is unchanged for teams that don't invest in customization.

Available within Claude Code. Configure Mods through the Claude Code settings to define agent behavior, conventions, and constraints for your projects.