MCP Server Directory

Owned-target web security assessment MCP server for authenticated, high-friction apps.

QuizBase com.runriva.quizbase/mcp

MCP server for trivia: 1.4M+ questions (EN+PL), 24 categories, 12 tools + 4 prompts, OAuth 2.1.

Post-quantum cryptography security scanner. Detect ECDSA/RSA vulnerabilities, NIST compliance.

Security-hardened file organizer with smart categorization and duplicate detection

Security suite for AI agents: flag drains, permit-phishing & risky actions before signing.

Analyzes code for bugs, security vulnerabilities, and code smells

74 paid web-analysis APIs (SEO, security, TLS, DNS, email) as MCP tools. USDC via x402.

Storylayer Publishing io.github.mikeslone/storylayer

Hosted MCP for Instagram, Facebook, X, LinkedIn, Pinterest, and Ghost. OAuth 2.1, 38 tools.

SQLite MCP server with OAuth 2.1, HTTP/SSE, 122 tools, and smart tool filtering

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

MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config

Privacy compliance scanning for AI coding tools. Detects tracking tech, cookies, and data gaps.

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

AgentLair io.github.piiiico/agentlair

Give AI agents a real email address, vault, calendar, and task delegation via MCP.

Émile io.github.SebastienGal/emile-wine

MCP server for the Émile wine cellar — list, add, recommend, scan and search 100k+ wines.

Catalyst Governance io.github.Stratogenic-AI/catalyst

Governance middleware for AI agents: permission gates, approvals, compliance scanning, audit ledger.

Epa Emissions io.github.pipeworx-io/epa-emissions

EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)

Scan for prompt injection, secrets, PII, and vet MCP servers before installation

Govtrack io.github.pipeworx-io/govtrack

GovTrack MCP — federal US Congress data (free, no auth)

Gnosis Memory com.gnosismemory/memory

Persistent memory and vector search for AI agents. Hosted, OAuth-protected via Google sign-in.

Oecd io.github.pipeworx-io/oecd

OECD MCP — Organisation for Economic Co-operation and Development data (free, no auth) via the…

Gradus Notation + Harmonic Analyzer + Engraver: music tools for any AI agent. Free, no auth.

Security scanning and trust verification for AI agent tools.

Quotable io.github.pipeworx-io/quotable

Quotable MCP — wraps the Quotable dataset (free, no auth)