# Claude Agent SDK for Rust

> Rust SDK wrapping the Claude Code CLI for building AI agents with type-safe tool access, permission controls, and multi-turn conversations.

Date: 2026-03-22

## What is it?

A Rust wrapper around the Claude Code CLI that gives you type-safe access to agent capabilities: file operations, code execution, web search, MCP tool support, and structured JSON output with schema validation. Supports both one-shot queries and multi-turn conversations with persistent context.

## Features

- 20+ built-in tools with fine-grained permission modes
- Hook system for deterministic behavior at key points
- Extended thinking with adaptive or fixed token budgets
- Custom MCP tool integration
- Usage tracking and quota monitoring

Available on [crates.io](https://crates.io/crates/claude-agent-sdk-rust).