read-no-evil-mcp

name	read-no-evil-mcp
description	Secure email access via read-no-evil-mcp. Protects against prompt injection attacks in emails. Use for reading, sending, deleting, and moving emails.

read-no-evil-mcp

Secure email gateway that scans emails for prompt injection attacks before you see them.

Prerequisites

Install the read-no-evil-mcp package (version must match skill version):

pip install read-no-evil-mcp==0.2.0

Configuration

Config File

Create ~/.config/read-no-evil-mcp/config.yaml:

accounts:
  - id: "default"
    type: "imap"
    host: "mail.example.com"
    port: 993
    username: "[e-mail]"
    ssl: true
    permissions:
      read: true
      send: false
      delete: false
      move: false
    smtp_host: "mail.example.com"
    smtp_port: 587
    from_address: "[e-mail]"
    from_name: "Your Name"

Credentials

Create ~/.config/read-no-evil-mcp/.env:

RNOE_ACCOUNT_DEFAULT_PASSWORD=your-password

Environment variable format: RNOE_ACCOUNT_{ACCOUNT_ID}_PASSWORD (uppercase).

CLI Commands

# List recent emails (last 30 days)
rnoe-mail.py list

# List with options
rnoe-mail.py list --limit 10 --days 7 --account myaccount

# Read email (scanned for prompt injection!)
rnoe-mail.py read <uid>

# Send email (requires send permission)
rnoe-mail.py send --to "[e-mail]" --subject "Hello" --body "Message"

# List folders
rnoe-mail.py folders

# Move email to folder
rnoe-mail.py move <uid> --to "Archive"

Prompt Injection Detection

All emails are automatically scanned:

• Safe: Content displayed normally
• Injection detected: Exit code 2, shows score + patterns

Uses ProtectAI's DeBERTa model (local inference, no external APIs).

Permissions

Permission	Description	Default
read	List and read emails	true
send	Send emails via SMTP	false
delete	Delete emails	false
move	Move emails between folders	false

Security Notes

• Emails are scanned for prompt injection before content is returned
• ML model runs locally — no data sent to external APIs
• Enable write permissions only when needed
• Consider using app-specific passwords