acp-claude-code/dist/index.js

ACP (Agent Client Protocol) bridge for Claude Code

import { AgentSideConnection } from "@zed-industries/agent-client-protocol";
import { ClaudeACPAgent } from "./agent.js";
import { Writable, Readable } from "node:stream";
export async function main() {
    // Only log to stderr in debug mode
    const DEBUG = process.env.ACP_DEBUG === "true";
    const log = (message) => {
        if (DEBUG) {
            console.error(`[ACP-Claude] ${message}`);
        }
    };
    log("Starting Claude Code ACP Bridge...");
    try {
        // Prevent any accidental stdout writes that could corrupt the protocol
        console.log = (...args) => {
            console.error("[WARNING] console.log intercepted:", ...args);
        };
        log("Creating ACP connection via stdio...");
        // Convert Node.js streams to Web Streams
        // IMPORTANT: stdout is for sending to client, stdin is for receiving from client
        const outputStream = Writable.toWeb(process.stdout);
        const inputStream = Readable.toWeb(process.stdin);
        // We're implementing an Agent, so we use AgentSideConnection
        // First parameter is output (to client), second is input (from client)
        new AgentSideConnection((client) => new ClaudeACPAgent(client), outputStream, // WritableStream for sending data to client (stdout)
        inputStream);
        log("Claude Code ACP Bridge is running");
        // Keep the process alive
        process.stdin.resume();
        // Handle graceful shutdown
        process.on("SIGINT", () => {
            log("Received SIGINT, shutting down...");
            process.exit(0);
        });
        process.on("SIGTERM", () => {
            log("Received SIGTERM, shutting down...");
            process.exit(0);
        });
        // Handle uncaught errors
        process.on("uncaughtException", (error) => {
            console.error("[FATAL] Uncaught exception:", error);
            process.exit(1);
        });
        process.on("unhandledRejection", (reason, promise) => {
            console.error("[FATAL] Unhandled rejection at:", promise, "reason:", reason);
            process.exit(1);
        });
    }
    catch (error) {
        console.error("[FATAL] Error starting ACP bridge:", error);
        process.exit(1);
    }
}
export { ClaudeACPAgent };
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