Authn8 MCP Server

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js"; import { validateToken, type TokenInfo } from "./client.js"; import { toolDefinitions, handleListAccounts, handleGetOtp, handleWhoami, } from "./tools.js"; function formatDate(isoDate: string): string { const date = new Date(isoDate); return date.toLocaleDateString("en-US", { month: "short", day: "numeric", year: "numeric", }); } function displayStartupInfo(info: TokenInfo): void { console.error("Authn8 MCP Server"); console.error(`Business: ${info.businessName}`); console.error(`Token: ${info.tokenName}`); console.error(`Accounts: ${info.accountCount}`); console.error(`Expires: ${formatDate(info.expiresAt)}`); console.error(""); } async function main(): Promise<void> { // Validate token on startup let tokenInfo: TokenInfo; try { tokenInfo = await validateToken(); } catch (error) { console.error( "Error:", error instanceof Error ? error.message : String(error) ); process.exit(1); } displayStartupInfo(tokenInfo); // Create MCP server const server = new McpServer({ name: "authn8-mcp", version: "1.0.0", }); // Register tools server.registerTool( "list_accounts", { description: toolDefinitions.list_accounts.description, inputSchema: toolDefinitions.list_accounts.inputSchema, }, async () => { try { return await handleListAccounts(); } catch (error) { return { content: [ { type: "text" as const, text: `Error: ${error instanceof Error ? error.message : String(error)}`, }, ], }; } } ); server.registerTool( "get_otp", { description: toolDefinitions.get_otp.description, inputSchema: toolDefinitions.get_otp.inputSchema, }, async (args) => { try { return await handleGetOtp(args as { account_id?: string; account_name?: string }); } catch (error) { return { content: [ { type: "text" as const, text: `Error: ${error instanceof Error ? error.message : String(error)}`, }, ], }; } } ); server.registerTool( "whoami", { description: toolDefinitions.whoami.description, inputSchema: toolDefinitions.whoami.inputSchema, }, async () => { try { return await handleWhoami(); } catch (error) { return { content: [ { type: "text" as const, text: `Error: ${error instanceof Error ? error.message : String(error)}`, }, ], }; } } ); // Connect via stdio transport const transport = new StdioServerTransport(); await server.connect(transport); } main().catch((error) => { console.error("Fatal error:", error); process.exit(1); });