Module pii_tokenizer 

PII (Personally Identifiable Information) tokenization for data privacy.

Automatically detects and tokenizes sensitive data before MCP tool calls, preventing PII from entering model context or being logged.

Features:

• Pattern-based detection (email, phone, SSN, credit card, etc.)
• Secure token generation and storage
• Automatic de-tokenization on tool result
• Configurable patterns and policies
• Audit trail of tokenized data

Structs

DetectedPii

Detected PII instance with location and type.

PiiToken

Token for replacing PII.

PiiTokenizer

Manager for PII tokenization with configurable detection patterns.

Enums

PiiType

Types of PII that can be tokenized.