#!/usr/bin/env node
import 'dotenv/config'
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import {
CallToolRequestSchema,
ListToolsRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";
import { z } from 'zod';
import { getToolByName, getTools } from './lib/tools.js';
import loadFile from './plugins/file.plugin.js';
const server = new Server({
name: "assistant-mcp-server",
version: "0.0.1",
}, {
capabilities: {
tools: {}
}
});
server.setRequestHandler(ListToolsRequestSchema, async () => await getTools());
server.setRequestHandler(CallToolRequestSchema, async (request) => {
try {
if (!request.params.arguments) {
throw new Error("Arguments are required");
}
const tool = await getToolByName(request.params.name);
if (!tool) {
throw new Error(`Unknown tool: ${request.params.name}`);
}
return {
content: [
{
type: "text",
text: JSON.stringify(await loadFile(tool.plugin.args.path), null, 2)
}
]
};
} catch (error) {
if (error instanceof z.ZodError) {
console.error('Zod error:', error);
throw new Error(`Invalid arguments: ${error.errors.map(e => `${e.path.join('.')}: ${e.message}`).join(', ')}`);
}
throw error;
}
});
async function runServer() {
const transport = new StdioServerTransport();
await server.connect(transport);
console.error("Assistant MCP Server running on stdio");
}
runServer().catch((error) => {
console.error("Fatal error in main():", error);
process.exit(1);
});
