MCP Server Directory

swisstransport io.github.pipeworx-io/swisstransport

Swiss Transport MCP — wraps Transport Open Data API (free, no auth)

tarot io.github.pipeworx-io/tarot

Tarot MCP — wraps tarotapi.dev (free, no auth)

treasury io.github.pipeworx-io/treasury

Treasury MCP — US Treasury Fiscal Data public API (free, no auth)

Apiiro Guardian Agent io.github.apiiro/guardian-agent

Apiiro Application Security Posture Management (ASPM) tools for AI coding assistants.

Tvmaze io.github.pipeworx-io/tvmaze

TVMaze MCP — TV show metadata, episodes, schedules (no auth)

ukpolice io.github.pipeworx-io/ukpolice

UK Police MCP — wraps the UK Police Data API (free, no auth)

universities io.github.pipeworx-io/universities

Universities MCP — Hipolabs Universities API (free, no auth)

Free context-engineering audits for AI agents. BYOK Anthropic key. Top-3 findings per scan.

usgswater io.github.pipeworx-io/usgswater

USGS Water MCP — wraps USGS National Water Information System (NWIS) REST services (free, no auth)

Scan Solana/Anchor code against the Solana Security Standard and serve the ruleset to MCP clients.

arifOS — Constitutional AI Governance io.github.ariffazil/arifosmcp

Constitutional AI governance: 11 mega-tools, 13 floors, VAULT999 ledger. Human-in-loop by design.

zenquotes io.github.pipeworx-io/zenquotes

ZenQuotes MCP — wraps ZenQuotes API (free, no auth)

zippopotam io.github.pipeworx-io/zippopotam

Zippopotam MCP — wraps Zippopotam.us ZIP/postal code API (free, no auth)

NeuroStack io.github.raphasouthall/neurostack

Token-efficient MCP memory for Markdown vaults. Tiered search, GraphRAG, AI memories.

Search 90M+ tracks, artists, and releases: metadata, ISRC/ISWC, and cross-platform IDs for AI.

Attest io.github.attestagents/attest-mcp

Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.

MCP server for Sophos Central — endpoint security, XDR/MDR, and MSSP multi-tenant ops

ActuallyCare com.actuallycare/actuallycare

Real-estate platform for agents: escrows, listings, clients, leads, and commissions. OAuth login.

CVE and supply chain checks for MCP clients. Covers infrastructure, PyPI, and npm packages.

AuthzX MCP Gateway — policy-enforcing proxy between AI agents and MCP servers

MeSquared Visibility io.github.rmach816/mesquared-mcp-server

Public-site SEO/AEO readiness scans with evidence scores, issues, and clear measurement scope.

Security scanning for AI coding tools. Detects secrets, threat models, and runs pre-commit checks.

Unofficial MCP server connecting OpenEvidence to AI agents via authenticated browser sessions

MCP server for the Spanish AEMPS CIMA pharmaceutical registry (20,000+ authorised medicines).