MCP Server Directory

poetry

Poetry MCP — PoetryDB API (free, no auth)

io.github.codespar/mcp-ap2

MCP server for AP2 — Google's Agent-to-Agent Payment Protocol (authorization, audit, trust)

swisstransport

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

timezone

Timezone MCP — wraps WorldTimeAPI (free, no auth)

stackexchange

StackExchange MCP — wraps the StackExchange API v2.3 (free, no auth required for read)

words

Words MCP — wraps Datamuse API (free, no auth required)

Statscan

Statistics Canada (StatCan) WDS MCP — Canadian official statistics (no auth)

io.github.duriantaco/skylos

Dead code, security, secrets detection and code quality for Python, TypeScript, Go.

sunrisesunset

Sunrise-Sunset MCP — wraps the sunrisesunset.io API (free, no auth)

io.github.rom-baro/arcwall-security

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

treasury

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

io.github.Agnuxo1/enigmagent-mcp

Local AES-256-GCM vault for AI agents. Secrets stay local, LLMs never see real API keys.

uselessfacts

Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth)

Uk Ons

UK ONS MCP — Office for National Statistics (no auth)

Self-hosted GitHub MCP server

Self-hosted GitHub MCP server. PAT auth, stdio transport, transport-agnostic so it works with…

io.github.DunkelCloud/toolmesh

Self-hosted MCP gateway. Turn any REST API into MCP tools via YAML (DADL). Authz, audit, policies.

Usgs Volcano

USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)

videogames

Videogames MCP — wraps Free-to-Play Games API (freetogame.com, free, no auth)

FastMCP server for surgical queries against a vault knowledge graph (NetworkX no

FastMCP server for surgical queries against a vault knowledge graph (NetworkX node-link JSON).…

Domain Intelligence API

WHOIS, DNS records, SSL certificate data for any domain in one call. x402.

Linear MCP (multi-workspace, PAT auth)

Multi-workspace Linear MCP — PAT auth, 57 tools + 3 prompts, substrate enforcement, drop-in.

wikifeed

Wikifeed MCP — wraps Wikimedia Feed API (free, no auth)

wikipedia

Wikipedia MCP — wraps Wikipedia REST API (free, no auth)

io.github.sudomichael/gizmoanalytics

Cookieless analytics for AI coding agents. Install in one prompt, 28 tools, OAuth onboarding.