overview changedcli-sdks-libraries/overview
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77Anthropic provides three kinds of official tooling for building with the Claude API:
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99* **CLI:** The `ant` command-line tool for shell scripting and interactive use.
10* **Client SDKs:** General-purpose Messages API clients for Python, TypeScript, C#, Go, Java, PHP, and Ruby. Each SDK provides idiomatic interfaces, type safety, and built-in support for streaming, retries, error handling, and [OpenTelemetry tracing](https://platform.claude.com/docs/en/manage-claude/opentelemetry/sdk).
10* **Client SDKs:** General-purpose Messages API clients for Python, TypeScript, C#, Go, Java, PHP, and Ruby. They also cover most of the [Admin API](https://platform.claude.com/docs/en/manage-claude/admin-api). Each SDK provides idiomatic interfaces, type safety, and built-in support for streaming, retries, error handling, and [OpenTelemetry tracing](https://platform.claude.com/docs/en/manage-claude/opentelemetry/sdk).
1111* **Libraries and integrations:** Packages and compatibility layers that expose Claude inside another framework’s API surface rather than the Messages API directly.
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