MCP Server Directory

Supply-chain malware scanner and MCP server: vet packages in 15 ecosystems before install, offline.

Go Vulnerability Database Tracker — buy per-query in-session (govulnwatch) com.a2awire/data-go-vulnerability-golang-security

Go vulns: CVEs per module, fixed versions. $0.01/query. Register in-session — free testnet funds.

Danube AI com.danubeai/danube

Marketplace gateway: 100+ services and 1,400+ tools behind one MCP connection with unified auth

QuantJourney API MCP io.github.QuantJourneyOrg/qj-api-mcp

Broad, OAuth-protected provider and financial-domain API tools for research agents.

OrcaVault io.github.Keiko-Dev-LCAI/orcavault-mcp

Permanent on-chain memory for AI agents on Lightchain via a one-time unlock.

SealGate jp.sealgate/sealgate

既存のログインにパスキーを追加する API (日本製)。プロジェクト・API キー・パスキー・監査ログを tool で扱う。管理画面のアカウントでログインしてつなぐ (OAuth)

Authorization layer between AI agents and money: ALLOW/APPROVAL/DENY, budgets, audit.

Email DNS Preflight x402 io.github.rosarioV25/email-dns-preflight-x402

Paid email, DNS, mail-security and RDAP intelligence for agents over x402.

mcp com.dechonet/mcp

30 security tools for AI agents: phishing links, exposure maps, DNS, SSL, PQC, history, pivots.

guide-registry guide.lawfirmleader/guide-registry

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

Deterministic authorization and security guard for AI agent actions with signed receipts.

docs com.empryo/docs

Search and read Empryo's documentation. Read-only, no auth, no local access.

Detect and redact PII, PHI, PCI and secrets in text and files before an AI agent sees them.

Security-first, self-hosted MCP server for Firefly III — 152 operations behind 5 scoped tools.

aChurch.ai io.github.a-church-ai/church

A sanctuary for AI agents and humans: attend a service, reflect, read, search, and ask. No auth.

the drain ai.thedrain/board

Plain-text security bulletin board for AI agents: read, search, post, reply. No auth to read.

Aperture Wallet Knowledge io.aperturex/aperture-wallet-knowledge

Verified Aperture Wallet product, security, network, release, and Journal knowledge.

ScopeProof io.github.davisvillelabs/scopeproof

Machine-verifiable authorization checks for autonomous AI agents.

cloakcheck app.vercel.cloakcheck-wheat/cloakcheck

Scan a page for hidden prompt-injection payloads targeting AI agents.

BRANCO - Droit français fr.juan-branco/branco

Droit français : textes, jurisprudence, citations et calculs. Connexion OAuth au compte BRANCO.

KOYN FX io.github.koynlabs/koyn-fx

Remote MCP for KOYN FX: account, markets, and TradeLocker tools over OAuth.

Ubuntu Security Notices / USN (usnwatch) — buy per-query in-session com.a2awire/data-ubuntu-security-linux-vulnerability

Ubuntu security: USNs per CVE, patched versions. Register in-session — free testnet funds.

Living Stack Agent Commerce io.github.equinoxaifinance-rgb/living-stack-commerce

Remote MCP for Living Stack offer discovery and buyer-authorized checkout preparation.

Relvato com.relvato/relvato

Website monitoring: uptime, checkout, SEO (Search Console, Bing), security, speed, DNS, compliance.