
Anthropic agentic coding tool that works in the terminal, IDE, and web — the reference implementation of an agent that edits a real codebase.
Claude Code matters to this library for a reason beyond software engineering: it is the most widely-deployed example of an agent doing consequential, multi-step work against real systems, and the operating patterns it forced into the mainstream — explicit permission modes, subagents, hooks, MCP tool connections, and checked-in project instructions — are the same patterns any serious agent deployment ends up needing. For the audiences here, the practical uses are internal tooling, data cleanup scripts, and automating the reporting work an ops person does by hand. Pricing runs through Claude subscriptions rather than a separate SKU: Team standard seats are about $25/user/month ($20 annual), with premium seats including Claude Code around $125/month ($100 annual) carrying roughly 5x usage, and Enterprise contracts adding SSO, SCIM, and audit logs. The cost trap is not the seat price — it is buying seats nobody activates.
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