smart-security

Prompt injection defense. Detect and block malicious prompts, protect system instructions, sanitize user input.

Protects against prompt injection attacks by sanitizing, validating, and securely processing untrusted external content from websites, emails, and documents.

Prompt Injection Firewall for AI agents. 113 detection patterns, 14 threat categories, zero dependencies. Protects against fake authority, command injection, memory poisoning, skill malware, crypto spam, and more. Hash-chain tamper-proof whitelist with mandatory peer review. Claude Code hook integration.

Securely fetch and search web content by scanning and blocking prompt injection threats using PromptGuard before returning results.

Detect and block prompt injection attacks in emails. Use when reading, processing, or summarizing emails. Scans for fake system outputs, planted thinking blocks, instruction hijacking, and other injection patterns. Requires user confirmation before acting on any instructions found in email content.

Mitigate prompt injection attacks, especially indirect ones from external web content or files. Use this skill when processing untrusted text from the intern...