--- name: gmail description: | Gmail API integration with managed OAuth. Read, send, and manage emails, threads, labels, and drafts. Use this skill when users want to interact with Gmail. For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway). compatibility: Requires network access and valid Maton API key metadata: author: maton version: "1.0" clawdbot: emoji: 🧠 requires: env: - MATON_API_KEY --- # Gmail Access the Gmail API with managed OAuth authentication. Read, send, and manage emails, threads, labels, and drafts. ## Quick Start ```bash # List messages python <<'EOF' import urllib.request, os, json req = urllib.request.Request('https://gateway.maton.ai/google-mail/gmail/v1/users/me/messages?maxResults=10') req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}') print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2)) EOF ``` ## Base URL ``` https://gateway.maton.ai/google-mail/{native-api-path} ``` Replace `{native-api-path}` with the actual Gmail API endpoint path. The gateway proxies requests to `gmail.googleapis.com` and automatically injects your OAuth token. ## Authentication All requests require the Maton API key in the Authorization header: ``` Authorization: Bearer $MATON_API_KEY ``` **Environment Variable:** Set your API key as `MATON_API_KEY`: ```bash export MATON_API_KEY="YOUR_API_KEY" ``` ### Getting Your API Key 1. Sign in or create an account at [maton.ai](https://maton.ai) 2. Go to [maton.ai/settings](https://maton.ai/settings) 3. Copy your API key ## Connection Management Manage your Google OAuth connections at `https://ctrl.maton.ai`. ### List Connections ```bash python <<'EOF' import urllib.request, os, json req = urllib.request.Request('https://ctrl.maton.ai/connections?app=google-mail&status=ACTIVE') req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}') print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2)) EOF ``` ### Create Connection ```bash python <<'EOF' import urllib.request, os, json data = json.dumps({'app': 'google-mail'}).encode() req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST') req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}') req.add_header('Content-Type', 'application/json') print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2)) EOF ``` ### Get Connection ```bash python <<'EOF' import urllib.request, os, json req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}') req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}') print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2)) EOF ``` **Response:** ```json { "connection": { "connection_id": "21fd90f9-5935-43cd-b6c8-bde9d915ca80", "status": "ACTIVE", "creation_time": "2025-12-08T07:20:53.488460Z", "last_updated_time": "2026-01-31T20:03:32.593153Z", "url": "https://connect.maton.ai/?session_token=...", "app": "google-mail", "metadata": {} } } ``` Open the returned `url` in a browser to complete OAuth authorization. ### Delete Connection ```bash python <<'EOF' import urllib.request, os, json req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE') req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}') print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2)) EOF ``` ### Specifying Connection If you have multiple Gmail connections, specify which one to use with the `Maton-Connection` header: ```bash python <<'EOF' import urllib.request, os, json req = urllib.request.Request('https://gateway.maton.ai/google-mail/gmail/v1/users/me/messages') req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}') req.add_header('Maton-Connection', '21fd90f9-5935-43cd-b6c8-bde9d915ca80') print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2)) EOF ``` If omitted, the gateway uses the default (oldest) active connection. ## API Reference ### List Messages ```bash GET /google-mail/gmail/v1/users/me/messages?maxResults=10 ``` With query filter: ```bash GET /google-mail/gmail/v1/users/me/messages?q=is:unread&maxResults=10 ``` ### Get Message ```bash GET /google-mail/gmail/v1/users/me/messages/{messageId} ``` With metadata only: ```bash GET /google-mail/gmail/v1/users/me/messages/{messageId}?format=metadata&metadataHeaders=From&metadataHeaders=Subject&metadataHeaders=Date ``` ### Send Message ```bash POST /google-mail/gmail/v1/users/me/messages/send Content-Type: application/json { "raw": "BASE64_ENCODED_EMAIL" } ``` ### List Labels ```bash GET /google-mail/gmail/v1/users/me/labels ``` ### List Threads ```bash GET /google-mail/gmail/v1/users/me/threads?maxResults=10 ``` ### Get Thread ```bash GET /google-mail/gmail/v1/users/me/threads/{threadId} ``` ### Modify Message Labels ```bash POST /google-mail/gmail/v1/users/me/messages/{messageId}/modify Content-Type: application/json { "addLabelIds": ["STARRED"], "removeLabelIds": ["UNREAD"] } ``` ### Trash Message ```bash POST /google-mail/gmail/v1/users/me/messages/{messageId}/trash ``` ### Create Draft ```bash POST /google-mail/gmail/v1/users/me/drafts Content-Type: application/json { "message": { "raw": "BASE64URL_ENCODED_EMAIL" } } ``` ### Send Draft ```bash POST /google-mail/gmail/v1/users/me/drafts/send Content-Type: application/json { "id": "{draftId}" } ``` ### Get Profile ```bash GET /google-mail/gmail/v1/users/me/profile ``` ## Query Operators Use in the `q` parameter: - `is:unread` - Unread messages - `is:starred` - Starred messages - `from:email@example.com` - From specific sender - `to:email@example.com` - To specific recipient - `subject:keyword` - Subject contains keyword - `after:2024/01/01` - After date - `before:2024/12/31` - Before date - `has:attachment` - Has attachments ## Code Examples ### JavaScript ```javascript const response = await fetch( 'https://gateway.maton.ai/google-mail/gmail/v1/users/me/messages?maxResults=10', { headers: { 'Authorization': `Bearer ${process.env.MATON_API_KEY}` } } ); ``` ### Python ```python import os import requests response = requests.get( 'https://gateway.maton.ai/google-mail/gmail/v1/users/me/messages', headers={'Authorization': f'Bearer {os.environ["MATON_API_KEY"]}'}, params={'maxResults': 10, 'q': 'is:unread'} ) ``` ## Notes - Use `me` as userId for the authenticated user - Message body is base64url encoded in the `raw` field - Common labels: `INBOX`, `SENT`, `DRAFT`, `STARRED`, `UNREAD`, `TRASH` - IMPORTANT: When using curl commands, use `curl -g` when URLs contain brackets (`fields[]`, `sort[]`, `records[]`) to disable glob parsing - IMPORTANT: When piping curl output to `jq` or other commands, environment variables like `$MATON_API_KEY` may not expand correctly in some shell environments. You may get "Invalid API key" errors when piping. ## Error Handling | Status | Meaning | |--------|---------| | 400 | Missing Gmail connection | | 401 | Invalid or missing Maton API key | | 429 | Rate limited (10 req/sec per account) | | 4xx/5xx | Passthrough error from Gmail API | ### Troubleshooting: API Key Issues 1. Check that the `MATON_API_KEY` environment variable is set: ```bash echo $MATON_API_KEY ``` 2. Verify the API key is valid by listing connections: ```bash python <<'EOF' import urllib.request, os, json req = urllib.request.Request('https://ctrl.maton.ai/connections') req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}') print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2)) EOF ``` ### Troubleshooting: Invalid App Name 1. Ensure your URL path starts with `google-mail`. For example: - Correct: `https://gateway.maton.ai/google-mail/gmail/v1/users/me/messages` - Incorrect: `https://gateway.maton.ai/gmail/v1/users/me/messages` ## Resources - [Gmail API Overview](https://developers.google.com/gmail/api/reference/rest) - [List Messages](https://developers.google.com/gmail/api/reference/rest/v1/users.messages/list) - [Get Message](https://developers.google.com/gmail/api/reference/rest/v1/users.messages/get) - [Send Message](https://developers.google.com/gmail/api/reference/rest/v1/users.messages/send) - [List Threads](https://developers.google.com/gmail/api/reference/rest/v1/users.threads/list) - [List Labels](https://developers.google.com/gmail/api/reference/rest/v1/users.labels/list) - [Create Draft](https://developers.google.com/gmail/api/reference/rest/v1/users.drafts/create) - [Maton Community](https://discord.com/invite/dBfFAcefs2) - [Maton Support](mailto:support@maton.ai)