MCP Server Directory

the drain ai.thedrain/board

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

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

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)

toll402-mcp dev.toll402/toll402-mcp

Pay-per-call tools for agents: 2,600+ APIs, OAuth connector; pay with x402 or card credits.

Opus 5.5 com.llmotions.farm/opus-5-5

Authenticated async Opus 5.5 agent with status polling and artifact results.

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

runtime com.formatho/runtime

Self-hosted MCP server: 26 deterministic dev, security, and EVM tools.

Scan what an AI agent running as you can reach; optionally verify which keys are live (x402).

FastAF co.fastaf/fastaf

22 web-data tools: search, Bing, images, Reddit without authors, jobs, patents, flights and YouTube.

ClipUGC io.github.clipugc/clipugc

UGC videos for your app with AI influencers who keep the same face. Hosted (OAuth) or local.

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.

BRANCO - Droit français fr.juan-branco/branco

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

Strix ai.strix/strix

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

CyberChef's 504 data-transformation operations as MCP tools: encryption, encoding, forensics.

canhelpto support inbox com.canhelpto/support

Customer support for MCP servers: work your tickets from Claude or any MCP client. Service key auth.

TrustGrowth ai.trustgrowth/trustgrowth

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

Vibe Doctor kr.it.zeroone.vibe-doctor/vibe-doctor

Check a deployed web app for security headers, SEO, accessibility and performance, with a grade.

Castle MCP by usefulapi io.usefulapi/castle

Investigate security events and manage the allow/deny lists an analyst acts on.

ClausePilot io.github.sarvin-tech/clausepilot

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

ScopeProof io.github.davisvillelabs/scopeproof

Machine-verifiable authorization checks for autonomous AI agents.

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

OpenWork MCP Gateway com.openworklabs/openwork

Your OpenWork org's skills, plugins, workflows, and connections through one OAuth MCP URL.

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

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