Claude Code Kit

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claude-code-kit

Composable React terminal components and a headless agent framework.

Why this exists

This toolkit combines composable React terminal components, a React terminal renderer, and a provider-agnostic headless agent.

Feature highlights

- 10 ready-to-use built-in tools for file, shell, web, and worktree workflows
- Advanced tool factories for MCP-backed integrations, LSP, subagents, tasks, and notebooks
- MCP client for dynamic tool discovery from compatible MCP servers (stdio + HTTP)
- Parallel tool execution -- read-only tools run concurrently
- React component model with Flexbox layout via a pure-TS Yoga engine
- Provider-agnostic -- Anthropic, OpenAI, Ollama, DeepSeek, Groq, or any OpenAI-compatible baseURL
- Regression coverage for rendering, input, providers, tools, permissions, sessions, and compaction

Current status

- All five npm packages are published as 0.4.0.
- Release validation on 2026-10-03: pnpm release:check passed, including 719 tests across 34 files.
- Remote CI passed on Node 22.12 and 24, including the Node 22.0 packed-runtime job.
- Fresh npm-registry consumer checks passed on Node 22.0.0 and 24.13.0 for ESM/CJS/TSX, a headless mock-agent run, and mounted terminal input/output fixtures, including UI-only installation without Agent.
- Runtime baseline: Node.js 22+, React 19.2.x, and react-reconciler 0.33.x. Both ESM and CommonJS entry points are provided.
- Repository development requires Node.js 22.12+ for build/test tooling. Live provider and real user-terminal acceptance remain separate.
- 3 maintained examples: hello-world, agent-cli, alt-screen-dashboard

See the API contract, roadmap, and migration and release procedure. Version 0.4.0 includes the security fixes, lifecycle contracts, and history APIs described…