"Unicode" matching MCP servers:

Creates and manages encoded messages using zero-width characters and advanced Unicode steganography techniques, enabling quantum-themed puzzle generation with hidden secrets.

CodeSafer is an MCP server that scans AI-generated code for 9 categories of hidden security threats — including invisible Unicode, Trojan Source, homoglyphs, and rules file backdoors — using static analysis plus CodeBERT deep learning. Runs locally, free tier available.

OmniGlyph is a local-first MCP server that gives AI agents deterministic Unicode, domain-term, security-scan, and output-guardrail checks before reasoning over text or delivering generated output.

Content moderation and profanity detection MCP server with 19 tools, 24 language support, leetspeak/Unicode obfuscation detection, context-aware analysis, batch processing, and user tracking for AI-powered content safety.