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How to integrate Google Tasks MCP with Codex

Connect Codex to Google Tasks MCP. Add a new task to your work list, list all tasks due this week, and more using natural language, with authentication handled for you.

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Google Tasks is a to-do list and task management tool integrated into Gmail and Google Calendar. It helps you organize, track, and complete tasks across your Google ecosystem.

16 Tools5 Triggers

Introduction

Codex is one of the most popular coding harnesses out there. And MCP makes the experience even better. With the Google Tasks MCP integration, Codex can create and update tasks, manage task lists, reorder tasks, clear completed items, and view tasks across lists, all without leaving the terminal or the app, whichever you prefer.

Also integrate Google Tasks with

Claude CodeCursorChatGPTClaude CoworkAntigravityOpenAI Agents SDKClaude Agent SDKGrok BotMuseKimi CodeGrok BuildVS CodeOpenCodeOpenClawHermesAtomic AgentCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAIPydantic AIAutoGen

Why use Composio?

Apart from a managed and hosted MCP server, you will get:

  • CodeAct: A dedicated workbench that allows GPT to write its code to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Large tool responses: Handle them to minimise context rot.
  • Dynamic just-in-time access to 20,000 tools across 1500+ other Apps for cross-app workflows. It loads the tools you need, so GPTs aren't overwhelmed by tools you don't need.

How to install Google Tasks MCP in Codex

Run the setup command

Run this command in your terminal to add the Composio MCP server to Codex.

Terminal

It will initiate the authentication in a browser window, authorize Codex to access your Composio account.

Composio authentication page

(Optional) Authenticate with OAuth

To authenticate manually, run the login command to open a browser window and authorize Codex to access your Composio account.

bash
codex mcp login composio

Verify the connection

Run codex mcp list to confirm Composio appears as a registered MCP server.

bash
codex mcp list

Codex App

Codex App follows the same approach as VS Code.

  1. Click ⚙️ on the bottom left → MCP Servers → + Add servers → Streamable HTTP:
  2. Fill the header and Key fields with { "x-consumer-api-key" = "ck_*******" }.
  3. The Key is the Composio API key, that you can find on dashboard.composio.dev
  4. Click on Authenticate and authorize Codex to your Composio account and you're all set.
Codex App MCP setup
  1. Restart and verify if it's there in .codex/config.toml
bash
[mcp_servers.composio]
url = "https://connect.composio.dev/mcp"
http_headers = { "x-consumer-api-key" = "ck_*******" }

Try it

Ask Codex for a Google Tasks task. The first time, Composio asks you to connect your Google Tasks account.

For example, ask it to:

  • "Add a new task to your work list"
  • "List all tasks due this week"
  • "Delete completed tasks from your shopping list"

What is the Google Tasks MCP server, and what's possible with it?

The Google Tasks MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Google Tasks account. It provides structured and secure access to your task lists and tasks, so your agent can create, retrieve, update, move, and delete them on your behalf.

  • Task creation and planning: Have your agent create tasks, add subtasks, and place new work in the right task list.
  • Task retrieval and review: Instruct your agent to retrieve a specific task, review tasks from one list, or list tasks across all your lists using completion and date filters.
  • Task updates and organization: Let the agent edit task details or move tasks to a different position or task list as your plans change.
  • Task list management: Direct your agent to create, retrieve, rename, or permanently delete task lists.
  • Completed task cleanup: Have your agent delete individual tasks or permanently clear completed tasks from a chosen list.

Conclusion

You've successfully integrated Google Tasks with Codex using Composio's MCP server. Now you can interact with Google Tasks directly from your terminal, VS Code, or the Codex App using natural language commands.

Key benefits of this setup:

  • Seamless integration across CLI, VS Code, and standalone app
  • Natural language commands for Google Tasks operations
  • Managed authentication through Composio
  • Access to 20,000+ tools across 1500+ apps for cross-app workflows
  • CodeAct workbench for complex tool chaining

Next steps:

  • Try asking Codex to perform various Google Tasks operations
  • Explore cross-app workflows by connecting more toolkits
  • Build automation scripts that leverage Codex's AI capabilities
TOOLS & TRIGGERS

Supported Tools and Triggers

Every Google Tasks action and event your agent gets out of the box.

Batch Execute Google Tasks Operations

Executes multiple Google Tasks API operations in a single HTTP batch request and returns structured per-item results.

Clear tasks

Permanently and irreversibly clears all completed tasks from a specified Google Tasks list; this action is destructive, idempotent, and cannot be undone.

Create a task list

Creates a new task list with the specified title and returns its details, including its ID for use in task operations.

Delete task

Deletes a specified task from a Google Tasks list.

Delete task list

Permanently deletes an existing Google Task list, identified by `tasklist_id`, along with all its tasks; this operation is irreversible.

Get Task

Retrieve a specific Google Task.

Get task list

Retrieves a specific task list from the user's Google Tasks if the `tasklist_id` exists for the authenticated user.

Insert Task

Creates a task in a specified list, optionally under a parent or after a sibling in that list.

List All Tasks Across All Lists

List tasks across the user's task lists with optional filters, annotating each returned task with its list ID and title.

List task lists

Fetches the authenticated user's task lists from Google Tasks; results may be paginated.

List Tasks

Retrieves tasks from a Google Tasks list with optional date, status, and pagination filters; date inputs can use human-readable formats, and a completion range forces an explicit false showCompleted value to true.

Move Task

Moves the specified task to another position in the task list or to a different task list.

Patch Task

Partially updates an existing task (identified by `task_id`) within a specific Google Task list (identified by `tasklist_id`), modifying only the provided attributes from `TaskInput` (e.

Patch task list

Updates the title of an existing Google Tasks task list.

Update Task (Full Replacement)

Tool to fully replace an existing Google Task using PUT method.

Update Task List

Updates the authenticated user's specified task list.

FRAMEWORKS

How to build Google Tasks MCP Agent with another framework

Claude Code logo

Claude Code

Use Google Tasks MCP with Claude Code

Cursor logo

Cursor

Use Google Tasks MCP with Cursor

ChatGPT logo

ChatGPT

Use Google Tasks MCP with ChatGPT

Claude Cowork logo

Claude Cowork

Use Google Tasks MCP with Claude Cowork

Antigravity logo

Antigravity

Use Google Tasks MCP with Antigravity

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Google Tasks MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Google Tasks MCP with Claude Agent SDK

Grok Bot logo

Grok Bot

Use Google Tasks MCP with Grok Bot

Muse logo

Muse

Use Google Tasks MCP with Muse

Kimi Code logo

Kimi Code

Use Google Tasks MCP with Kimi Code

Grok Build logo

Grok Build

Use Google Tasks MCP with Grok Build

VS Code logo

VS Code

Use Google Tasks MCP with VS Code

OpenCode logo

OpenCode

Use Google Tasks MCP with OpenCode

OpenClaw logo

OpenClaw

Use Google Tasks MCP with OpenClaw

Hermes logo

Hermes

Use Google Tasks MCP with Hermes

Atomic Agent logo

Atomic Agent

Use Google Tasks MCP with Atomic Agent

CLI logo

CLI

Use Google Tasks MCP with CLI

Google ADK logo

Google ADK

Use Google Tasks MCP with Google ADK

LangChain logo

LangChain

Use Google Tasks MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Google Tasks MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Google Tasks MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Google Tasks MCP with LlamaIndex

CrewAI logo

CrewAI

Use Google Tasks MCP with CrewAI

Pydantic AI logo

Pydantic AI

Use Google Tasks MCP with Pydantic AI

AutoGen logo

AutoGen

Use Google Tasks MCP with AutoGen

FAQ

Frequently asked questions

With a standalone Google Tasks MCP server, the agents and LLMs can only access a fixed set of Google Tasks tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Google Tasks and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Codex fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Google Tasks tools.

Yes, absolutely. You can configure which Google Tasks scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Google Tasks data and credentials are handled as safely as possible.

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