MCP Server Directory

Cited io.github.entradox/cited-visibility-scanner

AI-answer-engine visibility scans for local businesses, as agent tools

Neon Zero-Trust MCP Gateway io.github.Ansarii/zero-trust-mcp-gateway

AI security firewall & DLP proxy protecting API keys and blocking destructive commands.

numberRank dev.numberrank/numberrank

Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.

Presend MCP Server io.github.presendapp/presend-mcp

Free MCP server: 36 security & dev API tools -- WHOIS, DNS, CVE, IP reputation, Cosmos SDK.

signals.edge graduation radar com.ogenalabs/signals-edge-x402

pump.fun graduation radar for trading bots and AI agents. x402 USDC per scan, no key.

Czech Company Registry (ARES) Tools io.github.appvantagelabs2-a11y/czid

Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks. All free, no auth.

Audit a domain's email and web security: SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS, WHOIS. No API keys.

Barcode Tools (decode, render, GTIN validate) io.github.appvantagelabs2-a11y/barcode

Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.

Malinois app.malinois/scan

Check a live app you own for public databases, leaked keys and exposed files.

slopcheck app.vercel.slopcheck-one/slopcheck

Score a YouTube channel's upload pattern against YouTube's inauthentic-content policy.

Healthcare Admin — Authorization Review — Northgate Advisors (2bd7f518) com.a2awire/benchmark-authorization-review-2026-09-16-2bd7f518

12 synthetic authorization exception cases: duplicate payments, investigational hold list entries, m

AurasPay Merchant MCP com.auraspay/merchant-payments

Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.

AlphaKey IDaaS MCP Server — Manage SSO, MFA, users, apps, and security policies through AI IDE

Enforcer dev.instruxi.enforcer/v3

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

vercelpycheck com.edgethirteen.www/vercelpycheck

Scan a public GitHub repo for known Vercel Python-runtime deploy footguns.

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.

TheRundown Data MCP io.github.TheRundown/data

Six Product API tools require authentication; protocol metadata discovery is keyless.

Dynamic QR Codes com.getdynamicqr/qr-codes

Create dynamic QR codes and re-point ones already printed, with bot-filtered scan analytics.

accessproof com.edgethirteen.www/accessproof

Scan a web page's markup for the WCAG failures ADA demand letters cite most often.

LexGO Jobs be.lexgo/jobs

Live Belgian and Luxembourg legal jobs. Unauthenticated. Send candidates to click_url.

Agent Card Health Check io.github.kadopi/agent-card-health-check

Free no-storage MCP that checks A2A Agent Card connection readiness for authorized targets.

MeroFoundry com.merofoundry/merofoundry

Build and publish full-stack apps from your coding agent: models, rules, pages, auth, per-app MCP.

slopcheck com.edgethirteen.www/slopcheck

Check a YouTube channel's recent uploads against YouTube's 2026 inauthentic-content policy.