import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import {
CallToolRequestSchema,
ListToolsRequestSchema,
} from "@modelcontextprotocol/sdk/types.js";
import { tools } from "./tools/definitions.js";
import { dispatchTool } from "./tools/dispatcher.js";
import { formatErrorMessage } from "./utils/errors.js";
/**
* Create and configure the SearXNG MCP server
*/
export function createSearXNGServer(): Server {
const server = new Server(
{
name: "searxng-mcp-server",
version: "1.0.0",
},
{
capabilities: {
tools: {},
},
}
);
// Register tool list handler
server.setRequestHandler(ListToolsRequestSchema, async () => {
return { tools };
});
// Register tool execution handler
server.setRequestHandler(CallToolRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
try {
const result = await dispatchTool(name, args);
return {
content: [
{
type: "text",
text: result,
},
],
};
} catch (error) {
const errorMessage = formatErrorMessage(error);
console.error(`[tool error] ${name}:`, error);
return {
content: [
{
type: "text",
text: `Error: ${errorMessage}`,
},
],
isError: true,
};
}
});
return server;
}
