#!/usr/bin/env node
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import {
CallToolRequestSchema,
ListToolsRequestSchema,
McpError,
ErrorCode
} from "@modelcontextprotocol/sdk/types.js";
import { ZodError } from 'zod';
import { toolRegistry } from './tools.js';
const server = new Server({
name: "mcp-pushover",
version: "1.0.0"
}, {
capabilities: {
tools: {}
}
});
// Create tool lookup map
const toolsByName = new Map(toolRegistry.map(t => [t.name, t]));
// Handle tool listing
server.setRequestHandler(ListToolsRequestSchema, async () => {
return {
tools: toolRegistry.map(t => ({
name: t.name,
description: t.description,
inputSchema: t.inputSchema,
})),
};
});
// Handle tool execution
server.setRequestHandler(CallToolRequestSchema, async (request) => {
const tool = toolsByName.get(request.params.name);
if (!tool) {
throw new McpError(
ErrorCode.MethodNotFound,
`Tool "${request.params.name}" not found`
);
}
try {
return await tool.handler(request.params.arguments);
} catch (error) {
if (error instanceof ZodError) {
const messages = error.errors
.map(e => `${e.path.join('.')}: ${e.message}`)
.join(', ');
throw new McpError(
ErrorCode.InvalidParams,
`Invalid parameters: ${messages}`
);
}
console.error(`Tool execution error:`, error);
throw new McpError(
ErrorCode.InternalError,
`Tool execution failed: ${error instanceof Error ? error.message : 'Unknown error'}`
);
}
});
// Start server
async function main() {
console.error('MCP Pushover Bridge starting...');
const transport = new StdioServerTransport();
await server.connect(transport);
console.error('Server stopped.');
}
main().catch(error => {
console.error('Critical server failure:', error);
process.exit(1);
});
