import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { registerAppTool } from "@modelcontextprotocol/ext-apps/server";
import { z } from "zod";
import { getClient } from "../garmin.js";
import { notifyAuth } from "../auth-gate.js";
export function registerAuthTools(server: McpServer, resourceUri: string) {
registerAppTool(
server,
"garmin-check-auth",
{
title: "Check Garmin Auth",
description: "Check if the user is authenticated with Garmin Connect",
_meta: { ui: { resourceUri } },
},
async () => {
const client = getClient();
try {
await client.resume();
return {
content: [{ type: "text" as const, text: JSON.stringify({ authenticated: true }) }],
};
} catch {
return {
content: [{ type: "text" as const, text: JSON.stringify({ authenticated: false }) }],
};
}
},
);
registerAppTool(
server,
"garmin-login",
{
title: "Garmin Login",
description: "Log in to Garmin Connect with email and password",
inputSchema: { email: z.string(), password: z.string() },
_meta: { ui: { resourceUri, visibility: ["app"] } },
},
async ({ email, password }) => {
const client = getClient();
const result = await client.login(email, password);
if (result.status === "needs_mfa") {
return {
content: [{ type: "text" as const, text: JSON.stringify({ status: "needs_mfa" }) }],
};
}
notifyAuth();
return {
content: [{ type: "text" as const, text: JSON.stringify({ status: "success" }) }],
};
},
);
registerAppTool(
server,
"garmin-submit-mfa",
{
title: "Submit Garmin MFA",
description: "Submit MFA verification code for Garmin Connect login",
inputSchema: { code: z.string() },
_meta: { ui: { resourceUri, visibility: ["app"] } },
},
async ({ code }) => {
const client = getClient();
await client.submitMfa(code);
notifyAuth();
return {
content: [{ type: "text" as const, text: JSON.stringify({ status: "success" }) }],
};
},
);
registerAppTool(
server,
"garmin-logout",
{
title: "Garmin Logout",
description: "Log out of Garmin Connect and clear saved tokens",
_meta: { ui: { resourceUri } },
},
async () => {
const client = getClient();
await client.logout();
return {
content: [{ type: "text" as const, text: JSON.stringify({ status: "logged_out" }) }],
};
},
);
}
