"Penetration Testing" matching MCP servers:

Safe MCP server and CLI tool for testing, scoring, and inspecting n8n workflows. Features 19 tools for workflow testing, execution traces, tiered scoring, and a built-in node catalog with 800+ node types. Designed with safety-first approach: no credential management, no secrets lifecycle, no auto-fix loops.

Enables assistants to file, search, and manage invoices, contracts, policies, and official letters, and to create, explain, update, and remind on their derived deadlines. It also supports mail scanning, warranty checks, notification testing, settings changes, and upkeep through a running local paperwork app.

MCP server for Microsoft Planner Premium offering read-only access to Planner data through a secure browser automation worker, with fail-closed configuration and mock mode for safe testing.