MCP Server Directory

AI Agent Guardrails MCP server - security layer

Socialync io.github.JackVitick/socialync

Draft, schedule, and publish posts to 8 social platforms with human approval via Socialync OAuth.

Sovereignty Scan io.github.kajaril/sovereignty-scan-mcp

EU AI Act sovereignty scanning. Provider residency, registration status, audit trail support.

Network diagnostics from 6 global regions. SSL, DNS, ping, whois, traceroute, port scan, latency.

tollbooth-authority io.github.lonniev/tollbooth-authority

Tollbooth Authority — Certified Purchase Order Service for DPYC operators

tollbooth-authority-newengland io.github.lonniev/tollbooth-authority-newengland

Tollbooth Authority New England — sub-regional certifier under North America

AI-native HTTP security testing MCP server — 17 tools with raw HTTP/1.1 + HTTP/2 control

Smart contract security scanner — vulnerabilities, risk scores, and calldata decoding

Agent-native lending on Solana via x402: borrow against tokens, arm in-vault TP/SL, repay.

SkillsSafe Security Scanner com.skillssafe/scanner

AI skill security scanner. Detects prompt injection, credential theft, ClawHavoc. Free, no signup.

Spritesheet Forge io.github.LAXY9887/spritesheet-forge

Game-dev sprite tools: PNG/GIF to spritesheet, split, trim, animate. OAuth-authenticated MCP server.

MCP Fortress io.github.mcp-fortress/mcp-fortress

Security scanner for MCP servers. Detect vulnerabilities, prompt injection, and tool poisoning.

Security scanning and threat detection for AI agents

authenticated-llm-agent io.github.mikerawsonnz/authenticated-llm-agent

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.

Zero-auth research MCP: web, academic, finance, news, weather, macro, social, SEC. No keys.

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

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

Agentic Security Shield io.github.ormuzdo/agentic-security-shield

12-layer security configs for AI coding agents. Autonomous purchase via x402 (USDC on Base).

Agents are not bots. Prove it. MCP-native identity declaration for authorized agents.

AgentPay io.github.Rumblingb/agentpay

Agent payments, API key vaulting, and governed mandates. Agents spend within user-defined limits.

Agify io.github.pipeworx-io/agify

Agify MCP — age prediction from first name (agify.io, free, no auth)

Airports io.github.pipeworx-io/airports

Airports MCP — wraps AirportGap API (free, no auth required), plus a D1 copy of the OurAirports…

Anilist io.github.pipeworx-io/anilist

AniList MCP — wraps AniList GraphQL API (free, no auth)

Archive io.github.pipeworx-io/archive

Archive MCP — wraps the Internet Archive APIs (free, no auth)