MCP Server Directory

StealthStack ARD Discovery ai.stealthstack/discovery

Search a public index of agents, MCP servers and skills found on the open web. Free, no auth.

JoinLayer app.joinlayer/mcp

Operate secure JoinLayer data pipelines through delegated OAuth.

Webhook Admin com.webhookadmin/webhookadmin

Webhook の送信・再送・監視を行う Webhook 統合インテグレーション (日本製)。送信先・イベントの種類・API キーを tool で扱う。管理画面のアカウントでログイン (OAuth)

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

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

FlowSentry io.github.vasilicasijarvis/flowsentry

Security scanner for n8n workflows + live MCP Trust-Check. 18 rules, OWASP mapped. Paid x402 API.

security-tools com.rangercheck/security-tools

Free front-end security check for any website: a grade plus the secrets and keys it exposes.

the drain ai.thedrain/board

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

4,685 pre-production checks: security, performance, scale, integrations, post-launch, people.

Governed Obsidian vault access: hybrid retrieval, Markdown-native memory, HITL confirmations.

TrustGrowth ai.trustgrowth/trustgrowth

Site scores, audits, Search Console, keywords, competitors, authority and AI visibility tools.

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

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

ClausePilot io.github.sarvin-tech/clausepilot

x402 contract tools and premium portfolio scans for AI agents on Base.

Caybl ai.caybl/caybl

Hosted MCP server for GA4, Google Ads and Search Console. Google OAuth, nothing to install.

Scans live pages with the AudioEye rules engine and maps accessibility issues to JSX source.

Microsoft Windows Security Updates (MSRC CVRF) — buy per-query in-session (msrcwatch) com.a2awire/data-windows-security-update-microsoft-cvrf

MSRC Windows updates: CVE rollups, Patch Tuesday. Register in-session — free testnet funds.

Revision-bound quality planning, execution, evidence, proof, and Playwright authoring.

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

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

HexScan Token Security xyz.hexscan/token-security

Honeypot detection & token risk scan for ERC-20s. Risk score 0-100, tax, source verification.

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

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

Strix ai.strix/strix

AI pentesting: run scans, triage vulnerabilities, review PRs, manage schedules and assets.

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)

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

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