Crate claude_code_acp 

Claude Code ACP Agent

A Rust implementation of the ACP (Agent Client Protocol) Agent for Claude Code, enabling editors like Zed to use Claude Code capabilities.

Features

• ACP protocol support over stdio
• Session management with token usage tracking
• Streaming responses
• Permission mode handling

Quick Start

use claude_code_acp::run_acp;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    run_acp().await?;
    Ok(())
}

Environment Variables

• ANTHROPIC_BASE_URL: Custom API base URL
• ANTHROPIC_API_KEY: API key (preferred)
• ANTHROPIC_AUTH_TOKEN: Auth token (legacy, fallback)
• ANTHROPIC_MODEL: Model to use (default: claude-sonnet-4-20250514)
• ANTHROPIC_SMALL_FAST_MODEL: Model for fast operations

Re-exports

pub use agent::run_acp;

pub use agent::run_acp_with_cli;

pub use agent::shutdown_otel;

pub use cli::Cli;

pub use hooks::create_post_tool_use_hook;

pub use hooks::create_pre_tool_use_hook;

pub use hooks::HookCallbackRegistry;

pub use mcp::AcpMcpServer;

pub use mcp::McpServer;

pub use mcp::ToolContext;

pub use mcp::ToolRegistry;

pub use mcp::ToolResult;

pub use mcp::get_disallowed_tools;

pub use settings::Settings;

pub use settings::SettingsManager;

pub use terminal::TerminalClient;

pub use terminal::TerminalHandle;

pub use types::AgentConfig;

pub use types::AgentError;

pub use types::NewSessionMeta;

pub use types::Result;

Modules

agent

ACP Agent implementation

cli

Command-line interface definitions

converter

Message conversion utilities for ACP ↔ Claude SDK

hooks

Hooks system for tool execution lifecycle

mcp

MCP (Model Context Protocol) Server integration

session

Session management for ACP Agent

settings

Settings management

terminal

Terminal API module

types

Public types for Claude Code ACP Agent