GUARDRAIL: Security Framework for Large Language Model Applications
GUARDRAIL - MCP Security - Gateway for Unified Access, Resource Delegation, and Risk-Attenuating Information Limits
Directory
Search MCP Servers
SchemaPin 🧷
The SchemaPin protocol for cryptographically signing and verifying AI agent tool schemas to prevent supply-chain attacks.
CyberMCP - Cybersecurity API Testing with MCP
CyberMCP is a Model Context Protocol (MCP) server designed for testing backend APIs for security vulnerabilities. It provides a set of specialized tools and…
Binalyze AIR MCP Server
Interact with Binalyze AIR's digital forensics and incident response capabilities using natural language.
Dumpling AI MCP Server
Provides a bridge to Dumpling AI's data extraction API for performing web searches, scraping content, extracting structured data, and processing various…
Obsidian
Integrates with Obsidian vaults, enabling natural language queries and updates to notes through secure read/write access.
Schwab
The Schwab Model Context Protocol (MCP) Server connects your Schwab account to LLM-based applications (like Claude Desktop or other MCP clients), allowing them…
Harvest Time Tracking
Integrates with Harvest time tracking API for creating, updating, and managing time entries, clients, projects, and reports within your workflow.
MCP_TOOL_POISONING_ATTACKS
A Node.js project demonstrating MCP client and server interactions for tool poisoning attacks, requiring an Anthropic API key.
Vatnode
Official Model Context Protocol (MCP) server for vatnode — EU VAT validation, rates, and format checks for AI agents (Claude, Cursor, ChatGPT).
Opensosdata
Official MCP server for OpenSOSData - real-time US business entity search across all 53 jurisdictions (all 50 states + DC + Puerto Rico + US Virgin Islands)…
EMBA-MCP
This tool creates an MCP server to bridge the gap between AI workflows and EMBA security analysis.
Keycloak MCP Server
An MCP server for Keycloak administration, offering over 30 tools to manage users, realms, clients, roles, and more from AI assistants.
MCP SBOM Server
Performs a Trivy scan to produce a Software Bill of Materials (SBOM) in CycloneDX format.
Regmd Mcp
Medical device regulatory intelligence. Classify devices, query alerts, find pathways across 15 jurisdictions (FDA, EU MDR, HSA, TGA, PMDA, NMPA +9 more). REST…
Lokka (Microsoft 365 MCP server)
A server for the Microsoft Graph and Azure RM APIs to manage Azure and Microsoft 365 tenants with AI.
Lucairn Privacy Gateway
Lucairn is an EU-based privacy gateway that sits between your MCP-enabled agent and the upstream LLM (Claude, GPT-4o, o1/o3/o4).
OPNsense MCP Server
A comprehensive MCP server for managing OPNsense firewalls, offering over 300 tools for configuration and monitoring.
Atlassian-mcp-server
MCP server for Atlassian Cloud (Confluence & Jira) with seamless OAuth 2.0 authentication.
MCP Server + Github OAuth
An MCP server with built-in GitHub OAuth support, designed for deployment on Cloudflare Workers.
MISP MCP Server
Integrates with MISP (Malware Information Sharing Platform) to provide threat intelligence capabilities to Large Language Models.
Companies House MCP
CLI and MCP server for the UK Companies House API — company search, profiles, officers, filings, ownership, and due diligence
QuickBooks Online MCP Server
QuickBooks Online MCP server for invoices, customers, and payments. OAuth 2.1 + PKCE, stdio/HTTP.
Tenable MSSP MCP Server
An MCP server for interacting with Tenable tenants connected to a Tenable MSSP Portal