/**
* Lifecycle tools - terminate, restart
*/
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
import { sessionManager } from "../session-manager.js";
import { sessionIdParam, textResponse } from "./types.js";
import { sessionPrefix } from "../utils.js";
export function registerLifecycleTools(server: McpServer): void {
// Tool: terminate
server.tool(
"terminate",
"Stop the debug session and terminate the debugged program",
{
sessionId: sessionIdParam,
},
async ({ sessionId }) => {
try {
const session = sessionManager.getSession(sessionId);
const id = session.id;
await sessionManager.removeSession(id);
return textResponse(`Debug session '${id}' terminated`);
} catch (err) {
return textResponse(`Error: ${err instanceof Error ? err.message : String(err)}`);
}
}
);
// Tool: restart
server.tool(
"restart",
"Restart the debugged program using the same launch settings. Useful after code changes.",
{
rebuild: z.boolean().optional().default(false).describe("Run 'dotnet build' before restarting (for code changes)"),
sessionId: sessionIdParam,
},
async ({ rebuild, sessionId }) => {
const session = sessionManager.getSession(sessionId);
const config = session.getConfig();
if (!config || config.mode !== "launch") {
return textResponse(
`${sessionPrefix(session.id)}Cannot restart - session is not in launch mode. Use 'launch' to start a debug session.`
);
}
try {
await session.restart(rebuild);
let statusMsg = `${sessionPrefix(session.id)}Restarted: ${config.program}`;
if (rebuild) {
statusMsg += "\n(Rebuilt before restart)";
}
if (config.launchProfile) {
statusMsg += `\nUsing launch profile: ${config.launchProfile}`;
}
statusMsg += "\nProgram is running. Set breakpoints or pause to inspect.";
return textResponse(statusMsg);
} catch (err) {
return textResponse(
`${sessionPrefix(session.id)}Restart failed: ${err instanceof Error ? err.message : String(err)}`
);
}
}
);
}
