MCP Server Directory

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

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

domain-intelligence-mcp-server com.thenextgennexus/domain-intelligence-mcp-server

WHOIS, DNS, SSL, IP geo for security forensics and OSINT — separate from SEO.

One API key, dozens of capabilities for your AI agent. Zero provider auth.

Breach, SIM swap, infostealer, domain lookalikes, MCP registry risk, prompt-injection detection.

Access Obsidian vaults via Local REST API - read, search, and interact with notes

Zero-trust MCP security proxy with policy enforcement, PII scrubbing, approvals, and audit trails.

agentlock io.github.Olum289/agentlock

Security gateway for AI agents: policy, approval, and audited execution, no secrets shared.

sec-corporate-events-mcp com.thenextgennexus/sec-corporate-events-mcp

Extract papers from ArXiv — titles, abstracts, authors, categories & PDF links. Monitor new AI, phys

Scrape social data from TikTok, Instagram, YouTube, X, LinkedIn, Reddit, and ad libraries.

Service Public France io.github.OneNicolas/mcp-service-public

French public services: tax, property, admin, education, healthcare, security, risks, legal texts

fda io.github.pipeworx-io/fda

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

Custosa Tools com.custosa/tools

Scans schema metadata to classify PHI, score HIPAA readiness, and generate compliant migrations.

Onplana io.github.Onplana/mcp-server

Project portfolio management for PMOs. Alternative to Microsoft Project Online. OAuth + PAT.

Find where your notes disagree — contradiction detection for markdown vaults.

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.

exchange io.github.pipeworx-io/exchange

Exchange MCP — wraps the Frankfurter currency exchange API (free, no auth)

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.

exchangerate io.github.pipeworx-io/exchangerate

ExchangeRate MCP — wraps open.er-api.com (free, no auth)