feature
Claude Code

Claude Mods enables deeper plugin behavior modification

code.claude.comagent

Claude Code now supports Claude Mods, a new plugin system that allows deeper modification of Claude Code's behavior through hooks. This expands the extensibility capabilities beyond what was previously possible for plugin developers.

Stacks this affects

Claude Code ships in 4 tested stacks here.

Claude Code MCP setup
Code · Agent setup
$50/mo
Claude Code setup
Code · Agent setup
$50/mo
Claude Code only
Code · Workflow
$50/mo
Ship code with AI
Code · Workflow
$50/mo
All Claude Code changes and pricing

More Claude Code

releaseClaude Haiku 5.5 released as default Haiku modelfeatureTool schema registration supports immediate prompt listingfeatureAgent tool now accepts effort parameter for subagent configurationfeaturePrompt caching support added to mod $.model.complete APIfeatureWorkflow agents now available in agent.spawn mod hookfeaturePlugin install command gains --marketplace source parameter