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 - [agntor/mcp](https://github.com/agntor/mcp) 📇 ☁️ 🍎 🪟 🐧 - MCP audit server for agent discovery and certification. Provides trust and payment rail for AI agents including identity verification, escrow, settlement, and reputation management.
 - [airblackbox/air-blackbox-mcp](https://github.com/airblackbox/air-blackbox-mcp) [glama](https://glama.ai/mcp/servers/@airblackbox/air-blackbox-mcp) 🐍 🏠 🍎 🪟 🐧 - EU AI Act compliance scanner for Python AI agents. Scans, analyzes, and remediates LangChain/CrewAI/AutoGen/OpenAI code across 6 articles with 10 tools including prompt injection detection, risk classification, and trust layer integration. The only MCP compliance server that generates fix code, not just findings.
 - [AIM-Intelligence/AIM-Guard-MCP](https://github.com/AIM-Intelligence/AIM-MCP) 📇 🏠 🍎 🪟 🐧 - Security-focused MCP server that provides safety guidelines and content analysis for AI agents.
+- [alberthild/shieldapi-mcp](https://github.com/alberthild/shieldapi-mcp) [glama](https://glama.ai/mcp/servers/@alberthild/shield-api-mcp) 📇 ☁️ 🍎 🪟 🐧 - Security intelligence for AI agents: password breach checks (900M+ HIBP hashes), email/domain/IP/URL reputation, prompt injection detection (200+ patterns), and skill supply chain scanning. Pay-per-request via x402 USDC micropayments or free demo mode, no API key needed.
 - [imran-siddique/agentos-mcp-server](https://github.com/imran-siddique/agent-os/tree/master/extensions/mcp-server) [glama](https://glama.ai/mcp/servers/@imran-siddique/agentos-mcp-server) - Agent OS MCP server for AI agent governance with policy enforcement, code safety verification, multi-model hallucination detection, and immutable audit trails.
 - [atomicchonk/roadrecon_mcp_server](https://github.com/atomicchonk/roadrecon_mcp_server) 🐍 🪟 🏠 MCP server for analyzing ROADrecon gather results from Azure tenant enumeration
 - [behrensd/mcp-firewall](https://github.com/behrensd/mcp-firewall) 📇 🏠 🍎 🪟 🐧 - Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.