index.ts•1.9 kB
#!/usr/bin/env node
/**
* QuickChart MCP Server
*
* This server provides tools to generate charts and visualizations using QuickChart.io API.
*/
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 { TOOLS, TOOL_HANDLERS } from "./tools/index.js";
// Server Initialization
const server = new Server(
{
name: "quickchart-server",
version: "0.7.9",
},
{
capabilities: {
tools: {},
},
}
);
// Tool List Handler
server.setRequestHandler(ListToolsRequestSchema, async () => ({
tools: TOOLS,
}));
// Tool Call Handler
server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
try {
const handler = TOOL_HANDLERS[name];
if (!handler) {
throw new McpError(ErrorCode.MethodNotFound, `Unknown tool: ${name}`);
}
if (!args) {
throw new McpError(
ErrorCode.InvalidParams,
`Missing arguments for ${name}`
);
}
return await handler(args);
} catch (error) {
if (error instanceof McpError) {
throw error;
}
throw new McpError(
ErrorCode.InternalError,
`Error executing tool ${name}: ${
error instanceof Error ? error.message : String(error)
}`
);
}
});
// Server Startup Function
async function runServer() {
const transport = new StdioServerTransport();
await server.connect(transport);
console.error(`QuickChart MCP Server running on stdio`);
console.error(`Available tools: ${TOOLS.map(t => t.name).join(", ")}`);
}
// Server Execution
runServer().catch((error) => {
console.error("Fatal error running server:", error);
process.exit(1);
});