feature
Claude Code

Prompt caching added to mods' model.complete API

code.claude.comagent

Mods can now cache prompt and system text blocks in $.model.complete by setting cache: true. This improves performance for workflows with large context blocks that are reused across multiple requests.

Stacks this affects

Claude Code ships in 4 tested stacks here.

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Code · Agent setup
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Claude Code setup
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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