Anthropic launches redesigned Claude Code 'Projects' to run parallel agent threads (beta)

Projects now coordinates multiple parallel Claude Code cloud sessions (threads) that share project memory and write to separate branches; beta access initially limited to Pro and Max cloud-session users and each thread counts as a full session toward usage limits.

In this brief: 3 sections 2 min read

- When creating a project you provide a goal and context; Claude suggests work packages and acts as coordinator.
- Each thread is a full cloud session with its own branch, repository copy, tests, and pull requests.
- Threads share a project library and memory so artifacts and decisions carry across threads.
- Beta began on Sept 17 and is initially available to selected Pro and Max subscribers using Claude Code cloud sessions.
- Anthropic warns parallel threads consume usage faster because each thread equals a full session; existing projects remain unchanged for now.
- Anthropic said a local-execution variant (running behind customer network boundaries) is planned but has no firm release date.
- Coordinator reviews outputs and assembles results; overlapping changes surface as standard merge conflicts.
- Threads can spawn subagents and subdivide tasks further, increasing parallelism and complexity.
- Shared memory and a project library collect files and model outputs across days.

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