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Google Tasks MCP Integration for LangChain

Connect Google Tasks to LangChain through the local KosmoKrator MCP gateway with scoped tools, credentials, and write policy.

7 functions 5 read 2 write Manual OAuth token auth
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Connect Google Tasks to LangChain

Bridge LangChain agents to local KosmoKrator integration tools through MCP or headless CLI calls.

Use the MCP gateway when the agent should discover tools, or wrap kosmo integrations:call for fixed chains. The gateway is local, scoped to this integration, and starts with --write=deny so LangChain can inspect read-capable tools without receiving write access by default.

Google Tasks MCP Config for LangChain

Keep the gateway scoped to the integration and operation class needed by the chain.

{
  "mcpServers": {
    "kosmokrator-google-tasks": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=google-tasks",
        "--write=deny"
      ]
    }
  }
}

Run the Gateway Manually

kosmokrator mcp:serve --integration=google-tasks --write=deny

Why Use KosmoKrator Here

Scoped tools

Expose only Google Tasks instead of a broad multi-service tool list.

Local credentials

Reuse credentials already configured for the KosmoKrator CLI and Lua runtime.

Write policy

Start read-only, then opt into ask or allow for trusted workspaces.

Google Tasks Tools Visible to LangChain

LangChain sees stable MCP tool names generated from the Google Tasks integration catalog.

MCP toolSource functionTypeDescription
integration__google_tasks__gtasks_list_task_lists google-tasks.gtasks_list_task_lists Read List all task lists for the authenticated user in Google Tasks. Returns task list IDs and titles that can be used to manage tasks within each list.
integration__google_tasks__gtasks_get_task_list google-tasks.gtasks_get_task_list Read Get a specific task list by its ID in Google Tasks. Returns the task list title, ID, and other metadata.
integration__google_tasks__gtasks_create_task_list google-tasks.gtasks_create_task_list Write Create a new task list in Google Tasks. Provide a title for the new list.
integration__google_tasks__gtasks_list_tasks google-tasks.gtasks_list_tasks Read List tasks in a specific task list in Google Tasks. Returns task titles, IDs, status, due dates, and notes. Use "list_task_lists" first to find the task list ID.
integration__google_tasks__gtasks_get_task google-tasks.gtasks_get_task Read Get a specific task by its ID from a task list in Google Tasks. Returns the task title, notes, due date, status, and other details.
integration__google_tasks__gtasks_create_task google-tasks.gtasks_create_task Write Create a new task in a Google Tasks list. Provide a title, and optionally notes and a due date.
integration__google_tasks__gtasks_get_current_user google-tasks.gtasks_get_current_user Read Get information about the currently authenticated Google user. Useful for verifying the connected account.

Related Google Tasks Pages

Google Tasks CLIUse direct JSON commands instead of MCP discovery. Google Tasks MCPFull gateway reference and MCP tool names. KosmoKrator for LangChainClient-level gateway setup.