Security

MCP server for PyPI: search packages and audit dependency trees against OSV vulnerability data before an agent suggests them.

Privacy Vault Protocol for MCP: tokenize sensitive data before the LLM sees it

MCP proxy server with AWS SigV4 authentication and OAuth support

MCP Proxy with OAuth Dynamic Client Registration support

An authorising reverse proxy for MCP servers: capability-scoped tokens, per-tool and per-argument policy, rate limits, dry-run, and a tamper-evident audit log.

Browser tools for AI assistants, as a Python library and an MCP server

SquatGuard MCP Template for Python

Security middleware for MCP servers. Content scanning, integrity verification, trust boundaries, and audit trails.

MCP server for exposing OpenAPI specifications as MCP tools.

Claude Desktop MCP server for Obsidian vaults

Simple OAuth system integrated with "mcp[cli]"

MCP Server for Nmap scanning

Shared Microsoft Graph auth helpers (Device Code, token cache, BYO client) for MCP servers.

Model Context Threat Scanner — local MCP security scanning, attack chains, inventory, CI gates, and optional Semgrep/LLM analysis

Execute KQL in AI prompts via NL2KQL with schema discovery and Azure Data Explorer integration

Find what your knowledge base mentions but doesn't actually explain.

FAULTLINE MCP Guard: local integrity monitor for stdio MCP servers and tool poisoning

Image tools for AI assistants, as a Python library and an MCP server

CI-first conformance, security, and benchmarking CLI for MCP servers. Lint your MCP server before your users do.

Drop-in deterministic policy layer for MCP-using AI agents