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Claude Code
Terminal agent · Anthropic
- Kind
- Terminal agent
- Made by
- Anthropic
- Verified
- 147,019 stars · Proprietary · last commit 2026-09-20
- Cost
- Included with a Claude subscription, or billed through the API.
- Repository
- anthropics/claude-code
What it is
Anthropic's professional terminal agent. Notably good at long, multi-step tasks and at knowing when to ask rather than guess.
Who it is for
Serious coding work, especially large or unfamiliar codebases.
Why we would pick it
Its harness engineering is the reason the same underlying model feels so much more capable here than in a chat box.
What to watch
Tied to Anthropic's models. The repository is largely an issue tracker — the program itself is not open source.