Claude Code
The category-defining coding agent — and not open source
What it is
Anthropic's agentic coding tool that lives in the terminal, understands a codebase, executes tasks, and handles git workflows through natural language, with IDE and GitHub integrations.
Why it's interesting
It practically defined the agentic-coding-CLI category, and its public GitHub repo leads many to assume it's open source. It is not: the LICENSE.md reserves all rights under Anthropic's Commercial Terms of Service. The repo hosts installers, docs, and the issue tracker; the tool itself ships as a distributed bundle.
Use cases
- Agentic coding, refactoring, and git workflows
- CI and GitHub automation
Who it's for
Professional developers on Anthropic plans
Setup
Easy. Native installer or package manager; a paid Anthropic account or API key
Limitations & cautions
No right to modify or redistribute, and paid access is required. It's a great tool — it just isn't open source, which is the only claim this page is here to check.
Editorial takeaway
A public repo is not a license. Claude Code is proprietary software with an open issue tracker — for a genuinely open coding CLI, see Gemini CLI or Grok Build.