MCP Server Directory

Scan a website for SEO, accessibility, performance and security issues, and read the report.

Live cross-domain authority-state resolution for delegated agents through MCP.

Save This One io.github.yemyat/save-this-one

Save, search, read, tag, and organize your bookmarks from AI assistants with OAuth sign-in.

Mails.ai — Agent Email ai.mails/agent-email

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

draco com.thetempleofdoom.draco/draco

Coding & security oracle grounded in 1855 real books. Cited answers via MCP.

FreeToolHub io.github.cavan1977/freetoolhub

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

Enforcer dev.instruxi.enforcer/v3

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

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

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

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

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

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

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.

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

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

Authentication-Info nextnonce shape, value discarded

FOXIFY Agent Commerce pro.foxify/agent-commerce

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

guide-registry guide.careleader/guide-registry

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

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

AgenTrux com.agentrux/agentrux

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

guide-registry guide.officeleader/guide-registry

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

Market Brew ai.marketbrew/marketbrew

Read-only Market Brew search engine modeling and AI visibility data via OAuth.

guide-registry guide.peopleleader/guide-registry

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

Etsy io.github.pipeworx-io/etsy

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

TANDIU AI infrastructure data cn.tandiu/data

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

Secure MCP server framework with 23 security layers and ML threat detection. Zero deps.