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docs(gmail): gmail.settings.basic required for filter tools (#385) #387

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docs(gmail): gmail.settings.basic required for filter tools (#385) #387

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2 changes: 1 addition & 1 deletion third_party/gmail/.cursor-plugin/plugin.json
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@@ -1,7 +1,7 @@
{
"name": "gmail",
"displayName": "Gmail",
"version": "1.0.0",
"version": "1.0.1",
"minClientVersions": {
"cursor": "3.13.0"
},
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6 changes: 6 additions & 0 deletions third_party/gmail/CHANGELOG.md
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Expand Up @@ -2,6 +2,12 @@

All notable changes to this plugin will be documented here.

## 1.0.1 — filter tools OAuth note

- Documented that `create_filter` / `list_filters` (and related filter tools) need `https://www.googleapis.com/auth/gmail.settings.basic`.
- This plugin still does not declare OAuth scopes: Google Workspace sign-in uses Cursor's first-party client against `https://gmailmcp.googleapis.com/mcp/v1`.
- After that scope is added to the connector OAuth client, existing installs must disconnect Gmail and sign in again.

## 1.0.0 — initial release

- Logo: official Gmail 2026 product icon from Google productlogos, on a padded white tile.
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14 changes: 14 additions & 0 deletions third_party/gmail/README.md
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Expand Up @@ -27,6 +27,20 @@ Or run `/add-plugin gmail` in chat.

Auth is OAuth 2.0 against Google. Cursor prompts for Google sign-in when the plugin connects.

This plugin does **not** declare OAuth scopes or a Google client ID. Unlike the X plugin, Google Workspace connectors use Cursor's first-party Google OAuth client against the hosted MCP. Scopes are not configured in this repository.

### Filter tools

`create_filter`, `list_filters`, `update_filter`, and `delete_filter` require:

`https://www.googleapis.com/auth/gmail.settings.basic`

That is a different grant from `gmail.modify` (labels/messages) and from “See (but not change) your email settings” (`gmail.readonly`). Google's hosted MCP already advertises `gmail.settings.basic` in its protected-resource metadata, but the connector OAuth client must request it or filter tools return **403 after trying upscoping**.

After that scope is added to Cursor's Google OAuth client / consent screen, **existing users must disconnect Gmail and sign in again** so Google can re-prompt. Re-auth without a new scope does nothing.

Until then, create filters in Gmail Settings → Filters and Blocked Addresses.

## Docs

- Google MCP setup: https://developers.google.com/workspace/gmail/api/guides/configure-mcp-server
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