MCP Server Directory

Minimal MCP server for downloading Gmail attachments to disk. Read-only OAuth by default.

heron io.heronapp/heron

Signed security scores for what an AI agent runs and reads: skills, MCP servers, prompts, tokens.

revit io.scanbimlabs/revit

Revit model query + APS Design Automation runner.

Security sidecar for MCP servers: 11 read-only control-plane tools for prompt-injection checks.

StablecoinX merchant tools: auth, payments, paymaster, webhooks, floYsh sites and vault settings.

Look up UK food hygiene ratings and city hygiene profiles from real FSA FHRS/FHIS data. No auth.

Search, inspect and recommend AI skill packs from the GeraSkills marketplace. Offline, no auth.

ServerCard Trust MCP space.servercardtrust/servercardtrust-mcp

Paid remote MCP for server-card validation, auth checks, trust packets, and readiness.

secret-scanner tools.knurl/secret-scanner

Scan configs, files, or text for leaked secrets and obvious misconfigurations. Nothing stored.

Sputnik X — AI-Agent-Native Intelligence xyz.sputnikx/market

Sputnik X: 16 free MCP tools and EU Trade via authenticated REST and x402.

Run AI-driven web-app and API security scans (DAST) from Claude or any MCP agent. Windows.

Renzo MCP Server com.renzoprotocol/mcp

MCP server for Renzo protocol data, including chains, vaults, operators, and ezETH metrics.

MCP server for Growi Finance — programmatic interaction with the GrowiHFVault on Arbitrum

MCP server to scan smart contracts on Base for honeypots, rug pulls, and vulnerabilities.

End-to-end encrypted access to a Standard Notes vault (protocol 004, local stdio only).

mcpuptimeledger-mcp com.clauxel.mcpuptimeledger/mcpuptimeledger-mcp

MCP uptime, schema, auth, and SLA receipt monitoring.

Quantum-safe vault, encryption & compliance for AI agents. NIST FIPS 203/204 ML-KEM-768 + ML-DSA-65.

Real-time DNS security analysis — DNSSEC, email auth, and RDAP. Built for SOC investigations.

domain-intelligence-mcp-server com.thenextgennexus/domain-intelligence-mcp-server

WHOIS, DNS, SSL, IP geo for security forensics and OSINT — separate from SEO.

sec-corporate-events-mcp com.thenextgennexus/sec-corporate-events-mcp

Extract papers from ArXiv — titles, abstracts, authors, categories & PDF links. Monitor new AI, phys

Surface the notes you forgot you wrote — DMN replay for markdown vaults.

Advice io.github.pipeworx-io/advice

Advice MCP — wraps Advice Slip API (free, no auth)

Symbiotic CLI MCP Server for security scanning and analysis

tmpstate dev.tmpstate/tmpstate

Zero-key temporary JSON database for agents: one tool call, no signup, no OAuth, no API keys.