MCP Server Directory

mcp-server io.twitterapi/mcp-server

Official twitterapi.io hosted MCP: Twitter/X tweets, users, followers, trends. OAuth or API key.

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)

JustIdea Agency agency.justidea/justidea-agency

Services, prices, inquiries and free analytics, AI and Google visibility scans by JustIdea, Poland.

Scans ML model files (PyTorch, safetensors, Keras, ONNX) for supply-chain risks

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

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.

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.

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

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

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

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

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

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

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.

cloakcheck app.vercel.cloakcheck-wheat/cloakcheck

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

Strix ai.strix/strix

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

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.

TrustGrowth ai.trustgrowth/trustgrowth

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

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

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

Search Anna's Archive for ebooks and papers by title, author or DOI and download the file you pick.

Relvato com.relvato/relvato

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

ScopeProof io.github.davisvillelabs/scopeproof

Machine-verifiable authorization checks for autonomous AI agents.