MCP Server Directory

Web Content & URL Tools ai.avaloncompany/web-content-url-tools

26 tools: web pages to Markdown, metadata, tech stack, SSL, SEO, domains, email auth and SSO checks.

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.

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

Authentication-Info nextnonce shape, value discarded

Etsy io.github.pipeworx-io/etsy

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

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

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

MentionedOn Visibility and Website Fixes com.mentioned-on/ai-discovery-readiness

Review supplied AI evidence or OAuth-linked visibility history; prepare and verify website fixes.

MCP gateway: many servers, one policy, lethal-trifecta blocking, PII masking, audit log

genko.me me.genko/cms

Headless CMS. Search the docs and read, draft, publish, and schedule entries via OAuth.

Site Check com.modernmustardseed/site-check

Public website health scan, AI-crawler and structured-data readiness, and a local presence score.

Debian Security Advisories — buy per-query in-session (debianwatch) com.a2awire/data-debian-security-advisory-dsa-linux

Debian Security Advisories (DSA). $0.01/query. Be born in one call — free testnet funds.

ScriptHaul API com.scripthaul/api

YouTube discovery, transcripts, library search, and monitors with API keys or OAuth.

Market Brew ai.marketbrew/marketbrew

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

QR Branding io.github.quartzondev/qr-branding

Generate branded, scan-validated QR codes (manual, AI, templates, Wi-Fi, vCard, geo).

OptionWhales io.optionwhales/options-flow

US options flow & stock data: unusual activity, gamma levels, IV, earnings. OAuth sign-in or keys.

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

Singularity - MCP Discovery & Security Gateway io.github.gaurav-kumar-sinha-060705/singularity

Find, vet, and run MCP tools through a secure audited gateway with prompt-injection risk scoring

AdvPlan br.com.advplan/law-practice

Access your Brazilian law firm's cases, deadlines, documents and billing with AdvPlan via OAuth.

Doppler API: projects, configs, secrets listing and download. Needs service or personal token.

Intakra Buying Signals and Workspace com.intakra/buying-signal-review

Review supplied buying evidence or OAuth-linked accounts, opportunities and workspace settings.

Open-source governance for MCP agents: useful autonomy without unlimited authority

FindWeedNY com.findweedny/findweedny

Licensed NY cannabis dispensaries, brands, deals, license checks and lab-anchored reviews. No auth.

Three-layer firewall for MCP: content, egress and action policy. Proxy or server.

YABA family budget day.yaba/yaba

Family budget for couples: spending, budget, pace, bills and Monobank-synced entries. OAuth.

AgenTrux com.agentrux/agentrux

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