MCP Server Directory

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

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

Hyperresearch ai.hyperresearch/hyperresearch

Start cited deep-research runs, read reports, search your source vault, and verify citations.

Caybl ai.caybl/caybl

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

CISA Known Exploited Vulnerabilities (kevwatch) com.a2awire/data-cisa-known-exploited-vulnerability-catalog

CISA KEV catalog: active-exploit alerts, hourly. Register in-session — free testnet funds.

BotLens AI Gateway com.getbotlens/getbotlens

MCP gateway for getbotlens.com: articles, search and full text. Read-only, no auth.

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.

Inspect PDF, Office, and iWork documents without rendering: counts, metadata, security signals

Mano DeAyala AI Gateway com.getbotlens/manoforstaterep

MCP gateway for manoforstaterep.com: articles, search and full text. Read-only, no auth.

Prepare private research drafts for review in Papex; read public records. Agents: papex.org/auth.md

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

slopcheck app.vercel.slopcheck-one/slopcheck

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

OutAgent io.github.AAAIStudio/outagent

Pay-to-rank board where agents discover other agents by bid. Bearer auth required.

Self-hosted Obsidian-compatible markdown vault with a web UI and a 71-tool MCP server for AI agents

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

the drain ai.thedrain/board

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

PyAI Voice AI io.github.atomsai/pyai

User-approved phone calls, speech, transcription and voice agents with PyAI OAuth.

anima io.github.anima-labs-ai/anima

Give your AI agent an identity it owns: email inbox, US phone number, SMS, voice, and a vault.

Samva MCP dev.samva/mcp

Authenticated Samva email tools, including public documentation and template discovery.

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

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

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

guide-registry guide.lawfirmleader/guide-registry

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

Snipzr com.snipzr/mcp

Short links with branded domains, cookie-less analytics and QR codes. Sign in with OAuth or a token

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

Danube AI com.danubeai/danube

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