Anthropic has relaunched the Projects feature in Claude Code, replacing single-agent sessions with a multi-threaded orchestration system that lets developers run parallel AI agents under a shared workspace. The redesigned feature entered beta on September 17, 2026, for select Claude Pro and Max subscribers2,6.
The revamped Projects give each workspace shared memory, goals, and a library of files and artifacts. Within a project, multiple "threads" execute different tasks in parallel, directed by a "coordinator" that divides work and keeps outputs connected.
Each thread runs as its own Claude Code cloud session on a separate branch and copy of the repository. When two threads modify the same code, the overlap is resolved as a merge conflict, handled like any other pull request. Individual threads can further decompose their assigned work into subagents, loops, and workflows to accelerate large tasks.
Users can interact with any thread directly or monitor and steer the entire assignment from the main project chat. In theory, a complex software job can move from a single assistant answering questions to a coordinated team handling research, implementation, testing, and review at the same time.
At launch, threads run only in the cloud1. Anthropic says support for local tools and code is coming "very soon". Access is planned to expand to all Pro, Max, Team, and Enterprise users, as well as Cowork and regular Claude chats.
ANALYSIS The architecture — isolated branches per thread, merge-conflict resolution for overlapping edits, a coordinator layer — mirrors how human engineering teams use version control, transposed into an agent framework. By keeping each thread sandboxed in its own cloud session and repo copy, Anthropic sidesteps the state-corruption risks that arise when multiple agents write to the same codebase simultaneously, at the cost of requiring merge resolution downstream. The cloud-only constraint at launch limits adoption among developers whose workflows depend on local toolchains and proprietary environments that cannot be uploaded to remote sessions.