/**
* server/handlers.ts
* Request handlers for the MCP server
*/
import type { Server } from '@modelcontextprotocol/sdk/server/index.js';
import {
CallToolRequestSchema,
GetPromptRequestSchema,
ListPromptsRequestSchema,
ListToolsRequestSchema,
} from '@modelcontextprotocol/sdk/types.js';
import { handleToolCall, TOOLS } from '../tools/index.js';
import type {
CalendarToolArgs,
ListsToolArgs,
RemindersToolArgs,
} from '../types/index.js';
import {
buildPromptResponse,
getPromptDefinition,
PROMPT_LIST,
} from './prompts.js';
/**
* Registers all request handlers for the MCP server
* @param server - The MCP server instance
*/
export function registerHandlers(server: Server): void {
// Handler for listing available tools
server.setRequestHandler(ListToolsRequestSchema, async () => ({
tools: TOOLS,
}));
// Handler for calling a tool
server.setRequestHandler(CallToolRequestSchema, async (request) =>
handleToolCall(
request.params.name,
(request.params.arguments as unknown as
| RemindersToolArgs
| ListsToolArgs
| CalendarToolArgs) ?? {},
),
);
// Handler for listing available prompts
server.setRequestHandler(ListPromptsRequestSchema, async () => ({
prompts: PROMPT_LIST,
}));
// Handler for getting a specific prompt
server.setRequestHandler(GetPromptRequestSchema, async (request) => {
const { name, arguments: args } = request.params;
if (typeof name !== 'string') {
throw new Error('Prompt name must be a string.');
}
const promptDefinition = getPromptDefinition(name);
if (!promptDefinition) {
throw new Error(`Unknown prompt: ${name}`);
}
return buildPromptResponse(promptDefinition, args);
});
}
