MCP Server Directory

Fray — WAF Security Testing MCP Server

WAF security testing: 5,500+ payloads, 25 WAF fingerprints, 21 recon checks, bypass AI

Live US drug acquisition costs (CMS NADAC) for AI assistants. Free, no auth, weekly data.

dev.dnsdoctor/mcp

Email-auth diagnosis (SPF, DMARC, DKIM, MX, blacklist) with validated copy-paste fix records.

io.github.irrenwill/secret-safe-env

Write secrets into .env without the agent ever seeing the value - Windows masked dialog (繁中 UI)

io.github.kota1026/vaultguard-mcp

VaultGuard MCP Server - Yearn V3 / DeFi vault security and analysis tools for AI coding agents....

Tailscale RMCP

Rust MCP server and CLI for Tailscale devices, users, keys, policies, and auth.

io.github.ai-supply-store/ai-supply

Search, install, publish & review security-scanned AI capabilities from ai-supply.store.

Exact hashing, base64/hex/URL encoding, JWT decoding and UUIDs for AI agents. No auth required.

MCP security proxy - detects and blocks 40+ MCP attack classes. Zero config.

AI-generated customer success reports for Velaris platform users. Authenticates via OAuth.

Document sharing, invoicing, and personal finance platform. 15+ AI tools via OAuth 2.1.

io.github.theYahia/cloudpayments-mcp

MCP server for CloudPayments API — charge, auth, confirm, void, refund, find transaction. 6 tools.

Bis

BIS MCP — Bank for International Settlements statistics (no auth)

Ansvar: EU Regulations

EU regulations (GDPR, DORA, NIS2, AI Act, etc.) via Ansvar Gateway. Cited, OAuth + paid.

Openaq

OpenAQ MCP — wraps OpenAQ v2 API (free, no auth required)

climate

Climate MCP — wraps Open-Meteo Climate API (free, no auth)

ITEON MCP Server

Polski software house B2B: 5 public + 7 OAuth 2.1 private MCP tools (AI estimate, draft, risk).

Checksum validation for AI agents: IBAN, ISBN, EAN/GTIN, UUID, ULID. Deterministic, no auth.

io.github.shaqmughal/seekstone

Filesystem-direct Obsidian MCP server — search and edit your vault with low context-tax.

Global Talent AI — UK Global Talent Visa studio

UK Global Talent Visa handbook, endorser criteria, cost calculator, draft scoring. Free, no auth.

MCP Modal Server

MCP server for managing Modal apps, containers, volumes, and secrets.

StablecoinX

Drive a StablecoinX business account — auth, API keys, sessions, paymaster, and webhooks.

io.github.bolyra/sdk

TypeScript SDK for mutual ZKP authentication between humans and AI agents.

io.github.fentz26/envcp

Encrypted environment variable vault with AI access policies, keeping secrets safe from AI agents.