First-party app
Google Chat

Google Chat

Post and manage Google Chat messages, spaces, memberships and reactions.

stable Communication

About

Google Chat ships in the w6w first-party pack. It declares 18 actions, 2 health checks, and the host runs its code in a sandbox that never sees the credential.

App id
io.w6w.googlechat
Version
0.1.2
Author
w6w
Licence
MIT
Categories
Communication

Overview

Google Chat brings a Workspace organization’s team messaging into a workflow — posting and managing messages, spaces, memberships and reactions as the signed-in user. Actions cover creating and updating spaces (including setting one up as a direct message), posting, updating, deleting and searching messages within a space, and managing who belongs to a space, down to reacting to a specific message.

Threading is handled the way Google Chat expects: replying into an existing thread or starting a new one, with control over whether a missing thread should fail or silently start fresh. Retried create operations converge on the same resource rather than creating duplicates, so a workflow step that gets retried after a network hiccup does not double-post.

This app acts strictly as a human user — the messages and spaces it touches are ones the connected account already has access to, and it deliberately never uses the separate app/bot authentication mode Google Chat also supports, keeping every action attributable to a real person’s account.

Build with Google Chat

Three routes to the same 18 actions. The Workflow tab is generated from Google Chat's own manifest and carries its real ids, so it is copy-pasteable; the Code and CLI examples are the same call for any action on any app, so every app-specific value in them is a blank you fill in.

Add Member

create-member

Add a user or a Google Group to a space. Adding a Chat app requires app (bot) authentication and is not available with a user connection.

Create Message

create-message

Post a text message to a space, optionally in a thread or visible only to one user. Cards and attachments require app (bot) authentication and are not available with a user connection.

Add Reaction

create-reaction

React to a message with a standard or custom emoji. Requires a user connection — Chat apps cannot manage reactions.

Create Space

create-space

Create a named space. The authenticated user becomes its manager. Use Set Up Space to create a group chat or DM, or to add members at creation time.

Remove Member

delete-member

Remove a member from a space.

Delete Message

delete-message

Delete a message. With a user connection the user can only delete their own messages, unless they manage the space.

Remove Reaction

delete-reaction

Remove one of the authenticated user's own reactions from a message. Requires a user connection — Chat apps cannot manage reactions.

Find Direct Message

find-direct-message

Find the existing direct-message space between the authenticated user and another user. Returns 404 if they have never exchanged a DM — use Set Up Space with type DIRECT_MESSAGE to create one.

Get Message

get-message

Fetch a single message by id.

Get Space

get-space

Fetch a single space by id, including its display name, type and settings.

List Members

list-members

List the memberships of a space. Returns one page; pass `pageToken` for the next.

List Messages

list-messages

List messages in a space, oldest first by default. Returns one page; pass `pageToken` for the next.

List Reactions

list-reactions

List the reactions on a message, and who left them. Returns one page; pass `pageToken` for the next.

List Spaces

list-spaces

List the spaces the authenticated user is a member of. Returns one page; pass `pageToken` for the next.

Search Messages

search-messages

Search messages across every space the authenticated user can see, or within one space. Requires a user connection — this endpoint has no app-authentication equivalent.

Set Up Space

setup-space

Create a space, group chat or direct message and add members in a single call. The authenticated user is added automatically.

Update Message

update-message

Replace the text of an existing message. Only `text` is writable with a user connection — editing cards requires app (bot) authentication.

Update Space

update-space

Rename a space or change its description, guidelines or history setting. `updateMask` selects which fields are written.

A workflow step names the app and the action, and the editor fills in the connection when you pick one. This is the Step shape from the workflow spec, carrying Google Chat's real ids.

{
  "manifestVersion": "2",
  "name": "googlechat-example",
  "steps": [
    {
      "id": "create-member",
      "uses": {
        "app": "io.w6w.googlechat",
        "action": "create-member",
        "connection": "conn_YOUR_CONNECTION_ID"
      },
      "with": {
        "space": "<space>"
      }
    }
  ]
}

Here are some of the things you can do

  • Add Member

    perform
    create-member
  • Create Message

    perform
    create-message
  • Add Reaction

    perform
    create-reaction
  • Create Space

    perform
    create-space
  • Find Direct Message

    read
    find-direct-message

+13 more actions available

Every app-specific value here is a blank you have to fill in. An app action is reached through the connection that authenticates it, so the address is a connection id, not the app id — and connections belong to your account, so a public page cannot know yours. Create one for Google Chat, then fill in the three blanks: conn_YOUR_CONNECTION_ID, the action key, and the parameters that action declares. The call itself is real — the shape is transcribed from the studio's own snippet builder, which prints the same kind of blanks — but nothing in it is specific to Google Chat. The Workflow tab is where this app's real ids are.

Install
npm install @w6w/sdk
yarn add @w6w/sdk
pnpm add @w6w/sdk
deno add npm:@w6w/sdk
Code
import { W6wClient, isActionRun } from "@w6w/sdk";

// Reads W6W_BASE_URL and W6W_TOKEN from the environment when omitted.
const client = new W6wClient();

const envelope = await client.run({
  urn: "conn_YOUR_CONNECTION_ID",
  action: "create-message",
  payload: {
    space: "<value>",
    text: "<value>",
    // thread: "<value>",
    // threadKey: "<value>",
    // messageReplyOption: "<value>",
    // privateMessageViewer: "<value>",
    // messageId: "<value>",
  },
});

if (isActionRun(envelope)) console.log(envelope.value);
Install the CLI
npm install -g @w6w/cli
CLI
w6w run conn_YOUR_CONNECTION_ID --action create-message --payload '{"space":"<value>","text":"<value>"}'

Give an AI agent Google Chat — without giving it Google Chat's credentials. One MCP endpoint exposes every app, function and workflow the caller is entitled to, as tools it can discover and run. Access is granted per team while we onboard.

One tool call
{
  "name": "w6w_invoke",
  "arguments": {
    "ref": "app:io.w6w.googlechat#create-member",
    "input": {
      "space": "<space>"
    }
  }
}

Every tool names its target with a single ref. The app: form above doesn't name a connection at all — the host resolves which of the caller's Google Chat connections to sign with, and refuses rather than guesses when the answer is ambiguous.

What the agent gets

Credentials it can't read

The token is attached host-side, at the moment of the call. It is never a tool argument, never in the model's context, and never in a transcript — so a prompt injection has nothing to exfiltrate.

A tool surface scoped to the caller

Tools are derived per end user from what that person has actually connected and is entitled to — not one shared bot identity carrying the union of everyone's access.

A durable workflow in one call

Multi-step work runs on the workflow engine and returns a run handle the agent can poll — retries, branching and state survive the conversation that started them.

Health-aware discovery

Google Chat's declared health checks are on the surface too, so an agent can tell "the vendor is down" from "your credential expired" before it burns a retry on either.

The MCP surface is part of the hosted platform. Google Chat itself is MIT, and the runtime that executes it is source-available (FSL).

Request MCP access

Health checks

Google Chat declares its own checks, so its health is a property of the app rather than something the host guesses at.

service

Google Chat platform status

Open incidents for Google Chat on the Google Workspace Status Dashboard. Unauthenticated and unsigned.

quota

API quota headroom