Claude Code Dynamic Workflows & Ultracode Mode

Anthropic launched dynamic workflows on May 28, enabling Claude to orchestrate up to 1,000 parallel subagents for large, complex tasks like codebase audits, migration jobs, and security reviews. The new ultracode mode (activate with /effort ultracode) lets Claude auto-decide when to spin up workflow machinery — useful for big jobs where you want full-throttle parallelism. Key tip: always start with a scoped task first to gauge token consumption before running across a whole monorepo, and drop back to /effort high for routine work.

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Sources: Anthropic Blog · TechCrunch