diff --git a/backend/oauth_connect.json b/backend/oauth_connect.json
index bc2498a943..45ec3a655b 100644
--- a/backend/oauth_connect.json
+++ b/backend/oauth_connect.json
@@ -98,6 +98,39 @@
       "prompt": "consent"
     }
   },
+  "gdocs": {
+    "auth_url": "https://accounts.google.com/o/oauth2/v2/auth",
+    "token_url": "https://oauth2.googleapis.com/token",
+    "scopes": ["https://www.googleapis.com/auth/documents"],
+    "scope_options": [
+      "https://www.googleapis.com/auth/documents",
+      "https://www.googleapis.com/auth/documents.readonly",
+      "https://www.googleapis.com/auth/drive.file"
+    ],
+    "extra_params": {
+      "access_type": "offline",
+      "prompt": "consent"
+    }
+  },
+  "gchat": {
+    "auth_url": "https://accounts.google.com/o/oauth2/v2/auth",
+    "token_url": "https://oauth2.googleapis.com/token",
+    "scopes": [
+      "https://www.googleapis.com/auth/chat.spaces.readonly",
+      "https://www.googleapis.com/auth/chat.messages.create"
+    ],
+    "scope_options": [
+      "https://www.googleapis.com/auth/chat.spaces.readonly",
+      "https://www.googleapis.com/auth/chat.messages",
+      "https://www.googleapis.com/auth/chat.messages.readonly",
+      "https://www.googleapis.com/auth/chat.messages.create",
+      "https://www.googleapis.com/auth/chat.memberships.readonly"
+    ],
+    "extra_params": {
+      "access_type": "offline",
+      "prompt": "consent"
+    }
+  },
   "gcloud": {
     "auth_url": "https://accounts.google.com/o/oauth2/v2/auth",
     "token_url": "https://oauth2.googleapis.com/token",
diff --git a/frontend/src/lib/components/AppConnectInner.svelte b/frontend/src/lib/components/AppConnectInner.svelte
index c695227964..6f5fa3c323 100644
--- a/frontend/src/lib/components/AppConnectInner.svelte
+++ b/frontend/src/lib/components/AppConnectInner.svelte
@@ -449,16 +449,15 @@
 
 	// Google's terms require its own button on the control that starts the sign-in, which is
 	// the step-2 Connect: step 1 only picks a type, and a manual step 2 saves a resource
-	// without ever reaching Google.
+	// without ever reaching Google. Every registry provider that signs in through Google's
+	// authorize endpoint counts; `google` itself is a login provider, not a registry entry.
 	run(() => {
 		isGoogleSignin =
 			step == 2 &&
 			!manual &&
 			(resourceType == 'google' ||
-				resourceType == 'gmail' ||
-				resourceType == 'gcal' ||
-				resourceType == 'gdrive' ||
-				resourceType == 'gsheets')
+				(registryEntryFor(resourceType)?.auth_url?.startsWith('https://accounts.google.com/') ??
+					false))
 	})
 
 	run(() => {
diff --git a/frontend/src/lib/components/AuthSettings.svelte b/frontend/src/lib/components/AuthSettings.svelte
index c5f0a2040a..7bf7718e49 100644
--- a/frontend/src/lib/components/AuthSettings.svelte
+++ b/frontend/src/lib/components/AuthSettings.svelte
@@ -80,6 +80,8 @@
 		'gmail',
 		'gcal',
 		'gforms',
+		'gdocs',
+		'gchat',
 		'gcloud',
 		'gworkspace',
 		'basecamp',
diff --git a/frontend/src/lib/components/icons/BRAND_COLORS.md b/frontend/src/lib/components/icons/BRAND_COLORS.md
index 11d4df5c3b..c15537b6e1 100644
--- a/frontend/src/lib/components/icons/BRAND_COLORS.md
+++ b/frontend/src/lib/components/icons/BRAND_COLORS.md
@@ -137,6 +137,7 @@ repeatedly — check the brand's own page.
 | `FunkwhaleIcon` | `funkwhale` | mixed | #009FE3 | #009FE3 | 10.69 | 5.71 | www.funkwhale.audio/logos (theme/images/icon.svg) |
 | `GSheetsIcon` | `gsheets` | fixed | #009954 | #009954 | 3.57 | 12.47 | Google product logo sheets_2026q3 (gstatic productlogos, used on workspace.google.com/products/sheets) |
 | `GcalIcon` | `gcal` | fixed | #BBE2FF | #BBE2FF | 3.40 | 12.47 | Google's own Calendar 2026 product logo, https://www.gstatic.com/images/branding/productlogos/calendar_2026/v2/web/192px.svg (paths verbatim) |
+| `GchatIcon` | `gchat` | fixed | #0EBC5F | #0EBC5F | 2.80 | 4.98 | Google's own Chat 2026 product icon, https://www.gstatic.com/images/branding/productlogos/chat_2026/v2/web/192px.svg (paths verbatim, ids namespaced) |
 | `GdocsIcon` | `gdocs` | inherits | #718096 | #A9B0BA | 3.88 | 5.71 | Google's own Docs product icon (gstatic.com/images/branding/productlogos/docs_2026/v2/web/192px.svg, served on workspace.google.com/products/docs) |
 | `GdriveIcon` | `gdrive` | fixed | #B43333 | #B43333 | 5.87 | 10.05 | https://www.gstatic.com/images/branding/productlogos/drive_2026/v2/web/192px.svg, Google's own product-logo CDN; paths and gradient stops are verbatim |
 | `GhostCmsIcon` | `ghostcms` | pair | #15171A | #FFFFFF | 17.38 | 12.47 | docs.ghost.org |
diff --git a/frontend/src/lib/components/icons/GchatIcon.svelte b/frontend/src/lib/components/icons/GchatIcon.svelte
new file mode 100644
index 0000000000..3260f71971
--- /dev/null
+++ b/frontend/src/lib/components/icons/GchatIcon.svelte
@@ -0,0 +1,65 @@
+<script lang="ts">
+	interface Props {
+		height?: string
+		width?: string
+	}
+
+	let { height = '24px', width = '24px' }: Props = $props()
+</script>
+
+<!-- Google's own Chat product icon, gstatic.com/images/branding/productlogos/chat_2026/v2/web/192px.svg.
+	Google forbids recolouring its logos, so this ships unmodified apart from namespacing the
+	gradient/mask ids, which are document-global. -->
+<svg
+	{width}
+	{height}
+	viewBox="0 0 192 192"
+	fill="none"
+	xmlns="http://www.w3.org/2000/svg"
+	role="img"
+	aria-label="Google Chat"
+>
+	<rect width="160" height="96" x="16" y="28" fill="#00AF57" rx="48" />
+	<path
+		fill="#0EBC5F"
+		d="M133 48c28.167 0 51 22.834 51 51 0 28.167-22.833 51-51 51H96.624l-34.857 23.064c-3.86 2.544-5.789 3.816-7.372 3.92a6 6 0 0 1-5.612-3.022C48 172.583 48 170.271 48 165.649V148.81C25.121 143.78 8 123.39 8 99c0-28.166 22.834-51 51-51h74z"
+	/>
+	<mask
+		id="gchat-mask-a"
+		width="176"
+		height="129"
+		x="8"
+		y="48"
+		maskUnits="userSpaceOnUse"
+		style="mask-type:alpha"
+	>
+		<path
+			fill="#0EBC5F"
+			d="M133 48c28.167 0 51 22.834 51 51 0 28.167-22.833 51-51 51H96.722l-39.428 25.896c-3.99 2.62-9.294-.242-9.294-5.015V148.81C25.121 143.78 8 123.39 8 99c0-28.166 22.834-51 51-51h74z"
+		/>
+	</mask>
+	<g mask="url(#gchat-mask-a)">
+		<rect width="160" height="96" x="16" y="28" fill="#0EBC5F" rx="48" />
+		<rect width="160" height="96" x="16" y="28" fill="url(#gchat-paint-b)" rx="48" />
+		<path
+			stroke="#fff"
+			stroke-linecap="round"
+			stroke-width="12"
+			d="M62 94s8.84 18 34 18 34-17.182 34-17.182"
+		/>
+	</g>
+	<defs>
+		<linearGradient
+			id="gchat-paint-b"
+			x1="96"
+			x2="96"
+			y1="28"
+			y2="124"
+			gradientUnits="userSpaceOnUse"
+		>
+			<stop offset=".09" stop-color="#94D4FF" />
+			<stop offset=".28" stop-color="#78C9FF" />
+			<stop offset=".88" stop-color="#01AE58" stop-opacity="0" />
+		</linearGradient>
+	</defs>
+</svg>
diff --git a/frontend/src/lib/components/icons/index.ts b/frontend/src/lib/components/icons/index.ts
index 825f671e43..bbefc16469 100644
--- a/frontend/src/lib/components/icons/index.ts
+++ b/frontend/src/lib/components/icons/index.ts
@@ -33,6 +33,7 @@ import StripeIcon from './StripeIcon.svelte'
 import TelegramIcon from './TelegramIcon.svelte'
 import FunkwhaleIcon from './FunkwhaleIcon.svelte'
 import GdocsIcon from './GdocsIcon.svelte'
+import GchatIcon from './GchatIcon.svelte'
 import NextcloudIcon from './NextcloudIcon.svelte'
 import NetsuiteIcon from './NetsuiteIcon.svelte'
 import FaunadbIcon from './FaunadbIcon.svelte'
@@ -386,6 +387,7 @@ export const APP_TO_ICON_COMPONENT = {
 	helper: WindmillIcon,
 	windmillhub: WindmillIcon,
 	gdocs: GdocsIcon,
+	gchat: GchatIcon,
 	ocs: NextcloudIcon,
 	faunadb: FaunadbIcon,
 	clickhouse: ClickhouseIcon,
@@ -715,6 +717,7 @@ export {
 	DatadogIcon,
 	FunkwhaleIcon,
 	GdocsIcon,
+	GchatIcon,
 	FaunadbIcon,
 	ClickhouseIcon,
 	OpenaiIcon,