# Claude Agent SDK

> The Claude Agent SDK was renamed from the Claude Code SDK on 29 September 2025 and ships for Python and TypeScript under MIT for the SDK code itself; the underlying Claude Code CLI remains governed by Anthropic's commercial terms.

Anthropic's SDK for building agents on the Claude Code harness.

- **Category:** Runtime & Orchestration
- **License:** MIT (SDK); Claude Code CLI under Anthropic commercial terms
- **Language:** Python, TypeScript
- **Self-hosted:** Yes
- **GitHub stars:** 8215 (2026-10-04)
- **Repository:** https://github.com/anthropics/claude-agent-sdk-python
- **Last verified:** 2026-10-04

Source: https://agent.c8.fit/tools/claude-agent-sdk/