Google Tasks MCP Server

Instructions

Implementation Reference

• src/index.ts:409-447 (handler)

  Handler function for 'delete-tasklist' tool: authenticates user, calls Google Tasks API to delete the specified tasklist, returns success or error message.

  async ({ tasklist }) => {
    if (!isAuthenticated()) {
      return {
        isError: true,
        content: [
          {
            type: "text",
            text: "Not authenticated. Please use the 'authenticate' tool first.",
          },
        ],
      };
    }
  
    try {
      await tasks.tasklists.delete({
        tasklist,
      });
  
      return {
        content: [
          {
            type: "text",
            text: `Task list with ID '${tasklist}' was successfully deleted.`,
          },
        ],
      };
    } catch (error) {
      console.error("Error deleting task list:", error);
      return {
        isError: true,
        content: [
          {
            type: "text",
            text: `Error deleting task list: ${error}`,
          },
        ],
      };
    }
  }

• src/index.ts:406-408 (schema)

  Zod input schema defining the 'tasklist' parameter as a required string.

  {
    tasklist: z.string().describe("Task list ID to delete"),
  },

• src/index.ts:403-448 (registration)

  MCP server registration of the 'delete-tasklist' tool including name, description, schema, and inline handler.

  server.tool(
    "delete-tasklist",
    "Delete a task list",
    {
      tasklist: z.string().describe("Task list ID to delete"),
    },
    async ({ tasklist }) => {
      if (!isAuthenticated()) {
        return {
          isError: true,
          content: [
            {
              type: "text",
              text: "Not authenticated. Please use the 'authenticate' tool first.",
            },
          ],
        };
      }
  
      try {
        await tasks.tasklists.delete({
          tasklist,
        });
  
        return {
          content: [
            {
              type: "text",
              text: `Task list with ID '${tasklist}' was successfully deleted.`,
            },
          ],
        };
      } catch (error) {
        console.error("Error deleting task list:", error);
        return {
          isError: true,
          content: [
            {
              type: "text",
              text: `Error deleting task list: ${error}`,
            },
          ],
        };
      }
    }
  );