mcp-clickup

import { ToolCallback } from '@modelcontextprotocol/sdk/server/mcp.js'; import { RequestHandlerExtra } from '@modelcontextprotocol/sdk/shared/protocol.js'; import { CallToolResult } from '@modelcontextprotocol/sdk/types.js'; import { z } from 'zod'; export type InferToolHandlerInput<TInputSchema extends z.ZodRawShape> = z.objectOutputType<TInputSchema, z.ZodTypeAny>; type ToolDefinition<TInputSchema extends z.ZodRawShape> = { name: string; description: string; inputSchema: TInputSchema; handler: ( input: InferToolHandlerInput<TInputSchema> ) => Promise<Record<string, unknown>>; }; export const defineTool = <TInputSchema extends z.ZodRawShape>( cb: (zod: typeof z) => ToolDefinition<TInputSchema> ) => { const tool = cb(z); const wrappedHandler = async ( input: InferToolHandlerInput<TInputSchema>, _: RequestHandlerExtra ): Promise<CallToolResult> => { try { const result = await tool.handler(input); return { content: [ { type: 'text', text: JSON.stringify(result, null, 2), }, ], }; } catch (error) { return { content: [ { type: 'text', text: `Error: ${ error instanceof Error ? error.message : String(error) }`, }, ], isError: true, }; } }; return { ...tool, handler: wrappedHandler as ToolCallback<TInputSchema>, }; };