harvest-mcp-server

Instructions

Implementation Reference

• src/tools/tasks.ts:38-56 (handler)

  The handler implementation for the 'get_task' tool.

  class GetTaskHandler implements ToolHandler {
    constructor(private readonly config: BaseToolConfig) {}
  
    async execute(args: Record<string, any>): Promise<CallToolResult> {
      try {
        const inputSchema = z.object({ task_id: z.number().int().positive() });
        const { task_id } = validateInput(inputSchema, args, 'get task');
        
        logger.info('Fetching task from Harvest API', { taskId: task_id });
        const task = await this.config.harvestClient.getTask(task_id);
        
        return {
          content: [{ type: 'text', text: JSON.stringify(task, null, 2) }],
        };
      } catch (error) {
        return handleMCPToolError(error, 'get_task');
      }
    }
  }

• src/tools/tasks.ts:133-147 (registration)

  Registration of the 'get_task' tool.

  {
    tool: {
      name: 'get_task',
      description: 'Retrieve a specific task by its ID. Returns complete task details including default billing settings and activity status.',
      inputSchema: {
        type: 'object',
        properties: {
          task_id: { type: 'number', description: 'The ID of the task to retrieve' },
        },
        required: ['task_id'],
        additionalProperties: false,
      },
    },
    handler: new GetTaskHandler(config),
  },