MessageGuard

Locally scans untrusted text and documents to detect and block prompt injection threats, jailbreaks, exfiltration, and social engineering attacks.

Monitors agent file access, API calls, and communications to detect suspicious behavior, log events, and generate actionable security reports.

Intelligent sensitive data detection and masking. Uses Microsoft Presidio + SQLite for automatic PII redaction with local restoration support.

Protect AI agents from email-based attacks including prompt injection, sender spoofing, malicious attachments, and social engineering. Use when processing emails, reading email content, executing email-based commands, or any interaction with email data. Provides sender verification, content sanitization, and threat detection for Gmail, AgentMail, Proton Mail, and any IMAP/SMTP email system.

Monitors and verifies agent workspace files to detect unauthorized changes, injection attacks, personality drift, and cross-agent contamination.

Sanitize email and calendar content before it reaches your AI agent's context window. Blocks prompt injection, markdown image exfiltration, invisible unicode...