MCP Server Directory

Author, validate, debug, and explain OPA Rego policies through any MCP-compatible client.

Obsidian vault structural health: broken links, orphans, missing frontmatter, safe auto-repair.

flights io.github.pipeworx-io/flights

Flights MCP — wraps OpenSky Network API (free, no auth required)

Packrift MCP io.github.Packrift/packrift-mcp

Hosted no-auth MCP for exact-spec packaging search, live price, stock, cart handoff, and no-match.

Long-term memory for AI agents — your Obsidian vault as searchable persistent memory.

Security testing MCP server for penetration testing, forensics, and vulnerability assessment

Pact 5 tooling: REPL test runs, trap scanning, gas estimation, interface diff, format checks.

Customer-hosted read-only MCP server for Jobber ops reports, OAuth setup, and GraphQL validation.

Gmail Postmaster Tools v2 — domains, traffic metrics, and compliance via your own Google OAuth.

flood io.github.pipeworx-io/flood

Flood MCP — wraps Open-Meteo Flood API (free, no auth)

Dayze — Life in Days + Notable People com.dayze/life-context

People + life-in-days knowledge for AI agents. Public MCP; x402 on Base; OAuth for private tools.

TofuBofu AI Visibility com.tofubofu/ai-visibility

Free AI visibility scan for any B2B company: see how often AI engines recommend it, plus the fixes.

PageLens AI io.github.PageLens-AI/pagelensai-mcp-server

AI website audit: security, SEO, performance, UX and accessibility checks with actionable fixes.

Dominican Republic Invoices (DGII e-CF facturacion electronica) app.wishpool/dominican-republic-invoice-mcp

Dominican Republic DGII e-CF: AI agents authenticate and submit electronic invoices, stateless BYO.

An MCP server that provides tools to author OSCAL security compliance documentation

fda io.github.pipeworx-io/fda

FDA MCP — US Food and Drug Administration public API (free, no auth)

Detects leaked secrets (API keys, tokens, private keys) in source code.

AI code review grounded in your repo history. Supports Test Gen and Security Audits.

Parse a document into structured, confidence-scored fields. Bring your own model, pay per scan.

Inaturalist io.github.pipeworx-io/inaturalist

iNaturalist MCP — citizen-science species observations (free, no auth for read-only)

Security-hardened NotebookLM MCP with post-quantum encryption

Security-first MCP gateway for Odoo 17/18/19 — YAML-driven security, 27 tools

Federal Register io.github.pipeworx-io/federal-register

Federal Register MCP — US Federal Register API (free, no auth)

caesar com.trycaesar/caesar

Web search and page-reading for AI agents. One-click OAuth connect, or a Caesar API key.