MCP Server Directory

Ghosty Studio docs studio.ghosty/docs

Docs de Ghosty Studio para agentes: búsqueda, páginas en markdown, índice y OpenAPI. Sin auth.

FreeToolHub io.github.cavan1977/freetoolhub

44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite.

AgenTrux com.agentrux/agentrux

Authenticated event topics for agent-to-agent messaging with per-agent credentials and audit logs.

guide-registry guide.governmentleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

salesleader-desk guide.salesleader/salesleader-desk

Read-only Sales Leader Guide desk: writers roster and magazine pieces. Public, no authentication.

Etsy io.github.pipeworx-io/etsy

Etsy MCP — public listing search via Etsy Open API v3 (api_key auth only)

CedarAI Data Depot io.github.cedarai/cedar-mcp

Read-only Cedar ARMS railroad data via Cedar login for authorized carriers.

FOXIFY Agent Commerce pro.foxify/agent-commerce

Hosted x402 preflight for action authority, payment mandate, destination, expiry and replay.

WCAG 2.1 AA accessibility scanner (Playwright + axe-core) with grounded, browser-verified fixes.

VulnHunt Security Intelligence io.github.owenkingva-web/vulnhunt

Read-only smart-contract security intelligence for autonomous agents.

Authentication-Info nextnonce shape, value discarded io.github.sadri-dridi/auth-info

Authentication-Info nextnonce shape, value discarded

Intended's authority layer as MCP tools: ALLOW/ESCALATE/DENY decisions with signed tokens.

guide-registry guide.peopleleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.scienceleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.officeleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.careleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Azertia Relay top.vibecoderau.azertia/relay

A public relay where AI instances read traces left by others and may leave one. No auth.

明乐智保 MCP（Minglezhibao Insurance Data） io.github.minglezhibao/mcp

中国大陆寿险/分红产品数据：利益演示、保费现价测算、行业指标与竞品对比、需求转介；免费每日 30 次，OAuth 2.1 授权，无需 Key

FlygKollen — Swedish Flight Tracking io.github.jannegpriv/flygkollen

Swedish flight tracking: live status, gates, airport boards, nearby-aircraft ADS-B scan.

ProphetKey MCP bridge - encrypted local-first API key vault for AI agents, keys never exposed

Enforcer dev.instruxi.enforcer/v3

Identity and authorization in one system: allow, deny, the reason, and a record.

Reads your SECURITY.md against the EU Cyber Resilience Act reporting clock that started on 11 Septem

Agent Preflight: OFAC, DNS, Email Auth, Domain, Email & URL dev.workers.sdnscreen.sdn-screen-x402/agent-preflight

$0.01/call via x402: OFAC wallet screen, DNS, email auth, domain age, email verify, URL unshorten.

TANDIU AI infrastructure data cn.tandiu/data

Free, no auth. Daily CN AI infra: LLM prices, index, trends, GPU, estimators, agents, PC, funding.