Checked fact 123612 Oct 2026Agents and apps
Anthropic's post describes a progress file and git commits as the way a new session learns the state of the work.
The exact words it rests on
The key insight here was finding a way for agents to quickly understand the state of work when starting with a fresh context window, which is accomplished with the claude-progress.txt file alongside the git history.
What the source said when we opened it, on 12 Oct 2026.
The source
Effective harnesses for long-running agents
Checked
Checked by the notis newsroom on , against the source above.
In the story
How an agent harness runs a model and enforces limits 12 Oct 2026
Cite this fact
Anyone may quote this address. It does not change; if we correct the story, this page says so.