MCP Server Directory

x402 Agent Tollbooth io.github.ak10082247-max/x402-agent-tollbooth

On-chain DeFi smart contract auditor, arbitrage scanner, and agent tollbooth via x402 on Base.

HeaderGuard dev.workers.mike-tusa.headerguard/headerguard

Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes.

Circl Vulnerability Lookup io.github.pipeworx-io/circl-vulnerability-lookup

CIRCL Vulnerability-Lookup — aggregated vulnerability records

MCP server for querying VirusTotal API with comprehensive security analysis tools.

Security tools for your AI: scan, pentest, check headers, guard code and scan repos for secrets.

Cyber Library com.cyberlibrary/library

Search and read Cyber Library, a free structured cybersecurity knowledge base. Read-only, no auth.

PocketInvoice MCP io.github.pocketApp-ctrl/pocketinvoice

Free hosted MCP for invoices, estimates, clients, items and PDFs. OAuth authorization required.

AI Agents API Library io.github.eater2/ai-agents-api-library

Find APIs and MCP servers for AI agents: auth, free tier, MCP endpoint, docs, last-checked date.

receipt-expense-scanner-reports io.github.theluckystrike/receipt-expense-scanner-reports

Log expenses and export clean reports for tax time - your ledger never leaves your machine.

Agent-safe secrets from self-hosted Vaultwarden/Bitwarden: injected into commands, masked in output

avacast jp.avacast/avacast

写真から作ったアバターをリアルタイムに喋らせる API (日本製)。会話の開始・発話・利用状況を 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)

API.market MCP Gateway io.github.Noveum/api-market-gateway

Connect AI agents to 580+ APIs with OAuth or API-key auth. Hosted gateway; API pricing varies.

Query the ShootProof Studio API: service description, authenticated user, brands.

Polytranslator com.polytranslator/translator

Translate PDFs, scans, Office files and EPUB across 475 languages and styles, preserving layout.

Gitleaks Cloud - GitHub API Key Hunter & Secret Scanner io.github.AnshumanAtrey/gitleaks-github-secret-scanner

Gitleaks Cloud - GitHub API Key Hunter & Secret Scanner

Linkheft: Domain Authority Checker & Website Rank API io.github.CyberMax-tools/domain-authority

Linkheft: 0-100 domain authority, web-graph rank and trend for any domains, from open data.

nowyourlink advertiser tools io.github.ArneFfm/nowyourlink-advertiser

Delegated OAuth access for one advertiser: sealed bids, creatives and invoices, under a mandate.

Aident Loadout io.github.Aident-AI/loadout

Connect any AI agent to 1,000+ apps and 27,000+ actions through one remote MCP server (OAuth).

Shared Forest io.github.ArneFfm/shared-forest

Plant or sponsor trees in a shared forest that grows from its traffic. Sponsoring uses OAuth.

Inkpluck: Article Extractor — URL to Text, Markdown & Metadata io.github.CyberMax-tools/article-extract

Inkpluck: read web articles as Markdown + title, authors, date, language (newspaper3k successor)

Inkpluck: Article Extractor — URL to Text, Markdown & Metadata dev.workers.cybermax-tools.cybermax/article-extract

Inkpluck: read web articles as Markdown + title, authors, date, language (newspaper3k successor)

Pre-action authorization for AI agents: permit, deny or escalate against a signed delegation chain.

Multi-account Google Workspace MCP server: 942 tools, 29 services, discover-first, BYO OAuth.

CVE scanning for npm/pip/cargo dependencies via OSV