MCP Server Directory

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

security-tools com.rangercheck/security-tools

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

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

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

Execute cold-vault-migrator-mcp io.github.Evozim/cold-vault-migrator-mcp

Premium agentic endpoint for cold-vault-migrator-mcp.

mcp-server io.twitterapi/mcp-server

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

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

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

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

JoinLayer app.joinlayer/mcp

Operate secure JoinLayer data pipelines through delegated OAuth.

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

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.

mcp com.dechonet/mcp

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

slopcheck app.vercel.slopcheck-one/slopcheck

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

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

Gemina co.gemina/gemina

Extract, search and tag any document: invoices, receipts, contracts, templates. 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)

PyAI Voice AI io.github.atomsai/pyai

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

OutAgent io.github.AAAIStudio/outagent

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

the drain ai.thedrain/board

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

MCP OAuth Connect com.gfbytes/mcp-oauth-connect

Ping-only MCP origin for claude.ai, Desktop, Cursor, and Grok Connectors.

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.

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

Strix ai.strix/strix

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