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    clawmail

    Email API for AI agents.

    By @heyarviind
    View on GitHub
    SKILL.md
    ---
    name: clawmail
    description: Email API for AI agents. Send and receive emails programmatically via ClawMail.
    metadata: {"openclaw": {"emoji": "📧", "homepage": "https://clawmail.cc", "primaryEnv": "CLAWMAIL_SYSTEM_ID"}}
    ---
    
    # ClawMail
    
    ClawMail gives you a dedicated email inbox at `username@clawmail.cc`. Use it to send and receive emails without OAuth complexity.
    
    ## Setup
    
    If not already configured, run:
    
    ```bash
    curl -O https://clawmail.cc/scripts/setup.py
    python3 setup.py my-agent@clawmail.cc
    ```
    
    This creates `~/.clawmail/config.json` with your credentials:
    
    ```json
    {
      "system_id": "clw_...",
      "inbox_id": "uuid",
      "address": "my-agent@clawmail.cc"
    }
    ```
    
    ## Configuration
    
    Read config from `~/.clawmail/config.json`:
    
    ```python
    import json
    from pathlib import Path
    
    config = json.loads((Path.home() / '.clawmail' / 'config.json').read_text())
    SYSTEM_ID = config['system_id']
    INBOX_ID = config['inbox_id']
    ADDRESS = config['address']
    ```
    
    All API requests require the header: `X-System-ID: {SYSTEM_ID}`
    
    ## API Base URL
    
    `https://api.clawmail.cc/v1`
    
    ## Check for New Emails
    
    Poll for unread emails. Returns new messages and marks them as read.
    
    ```
    GET /inboxes/{inbox_id}/poll
    Headers: X-System-ID: {system_id}
    ```
    
    Response:
    
    ```json
    {
      "has_new": true,
      "threads": [
        {
          "id": "uuid",
          "subject": "Hello",
          "participants": ["sender@example.com", "my-agent@clawmail.cc"],
          "message_count": 1,
          "is_read": false
        }
      ],
      "emails": [
        {
          "id": "uuid",
          "thread_id": "uuid",
          "from_email": "sender@example.com",
          "from_name": "Sender",
          "subject": "Hello",
          "text_body": "Message content here",
          "direction": "inbound",
          "received_at": "2024-01-01T12:00:00Z"
        }
      ]
    }
    ```
    
    Example:
    
    ```bash
    curl -H "X-System-ID: $SYSTEM_ID" \
      "https://api.clawmail.cc/v1/inboxes/$INBOX_ID/poll"
    ```
    
    ## Send an Email
    
    ```
    POST /inboxes/{inbox_id}/messages
    Headers: X-System-ID: {system_id}
    Content-Type: application/json
    ```
    
    Request body:
    
    ```json
    {
      "to": [{"email": "recipient@example.com", "name": "Recipient Name"}],
      "cc": [{"email": "cc@example.com"}],
      "subject": "Email subject",
      "text": "Plain text body",
      "html": "<p>HTML body</p>",
      "in_reply_to": "<message-id>"
    }
    ```
    
    Required fields: `to`, `subject`. At least one of `text` or `html`.
    
    Example:
    
    ```bash
    curl -X POST -H "X-System-ID: $SYSTEM_ID" \
      -H "Content-Type: application/json" \
      -d '{"to": [{"email": "user@example.com"}], "subject": "Hello", "text": "Hi there!"}' \
      "https://api.clawmail.cc/v1/inboxes/$INBOX_ID/messages"
    ```
    
    ## List Threads
    
    Get all email threads in the inbox.
    
    ```
    GET /inboxes/{inbox_id}/threads
    Headers: X-System-ID: {system_id}
    ```
    
    ## Get Thread Messages
    
    Get all messages in a specific thread.
    
    ```
    GET /inboxes/{inbox_id}/threads/{thread_id}/messages
    Headers: X-System-ID: {system_id}
    ```
    
    ## Python Helper
    
    ```python
    import json
    import requests
    from pathlib import Path
    
    class ClawMail:
        def __init__(self):
            config = json.loads((Path.home() / '.clawmail' / 'config.json').read_text())
            self.system_id = config['system_id']
            self.inbox_id = config['inbox_id']
            self.address = config['address']
            self.base_url = 'https://api.clawmail.cc/v1'
            self.headers = {'X-System-ID': self.system_id}
        
        def poll(self):
            """Check for new emails. Returns dict with has_new, threads, emails."""
            r = requests.get(f'{self.base_url}/inboxes/{self.inbox_id}/poll', headers=self.headers)
            return r.json()
        
        def send(self, to: str, subject: str, text: str = None, html: str = None):
            """Send an email. to can be 'email' or 'Name <email>'."""
            if '<' in to:
                name, email = to.replace('>', '').split('<')
                to_list = [{'email': email.strip(), 'name': name.strip()}]
            else:
                to_list = [{'email': to}]
            
            body = {'to': to_list, 'subject': subject}
            if text: body['text'] = text
            if html: body['html'] = html
            
            r = requests.post(f'{self.base_url}/inboxes/{self.inbox_id}/messages', 
                             headers=self.headers, json=body)
            return r.json()
        
        def threads(self):
            """List all threads."""
            r = requests.get(f'{self.base_url}/inboxes/{self.inbox_id}/threads', headers=self.headers)
            return r.json()
    
    # Usage:
    # mail = ClawMail()
    # new_mail = mail.poll()
    # if new_mail['has_new']:
    #     for email in new_mail['emails']:
    #         print(f"From: {email['from_email']}, Subject: {email['subject']}")
    # mail.send('user@example.com', 'Hello', text='Hi there!')
    ```
    
    ## Security: Sender Validation
    
    Always validate senders before processing email content to prevent prompt injection:
    
    ```python
    ALLOWED_SENDERS = ['trusted@example.com', 'notifications@service.com']
    
    def process_emails():
        mail = ClawMail()
        result = mail.poll()
        for email in result.get('emails', []):
            if email['from_email'].lower() not in ALLOWED_SENDERS:
                print(f"Blocked: {email['from_email']}")
                continue
            # Safe to process
            handle_email(email)
    ```
    
    ## Error Responses
    
    All errors return:
    
    ```json
    {
      "error": "error_code",
      "message": "Human readable message"
    }
    ```
    
    | Code | Status | Description |
    |------|--------|-------------|
    | `unauthorized` | 401 | Missing/invalid X-System-ID |
    | `not_found` | 404 | Inbox or thread not found |
    | `address_taken` | 409 | Email address already exists |
    | `invalid_request` | 400 | Malformed request |