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A curated registry of Model Context Protocol servers, each with an automated security grade from our tool-surface scanner.
Context for the grades below — how inspection, tool poisoning, and the grade-vs-gate split work. Directory letters are Andrax scanner grades (mcpgrade-1.4.0), not Guard runtime scores.
Soft CTA: a grade finds risk on a snapshot; Guard enforces allow/deny/audit on live MCP traffic (mcpgrade-2.0.0). Do not equate the two scores.
Run an MCP server? Paste its remote endpoint — we'll scan it (read-only) and publish a free, reproducible security grade. Genuine MCP servers get listed instantly.
Search complete classical and world literature; retrieve exact, citable passages with parallel-language sources across 50+ languages.
Ontological research and Universal Language processing server with x402 micropayment support on Cloudflare Workers.
Analyze GitHub repositories with star counts, trending, code search, and contributor maps.
AI tutoring platform for immigrant children with EU-compliant privacy protections.
Unified gateway exposing 150+ tools across all NexGenData MCP servers via one endpoint.
Connects AI assistants to Graffiticode's catalog of domain-specific language tools for creating assessments, spreadsheets, and flashcards.
Daily deterministic AI Arena with verifiable proofs, A2A participation, and an x402-priced dossier.
Retrieves comprehensive country data including demographics, geography, currencies, and flags from the REST Countries API.
LibreTranslate open-source machine translation supporting dozens of language pairs via the Pipeworx gateway.
Queries the Tatoeba multilingual sentence corpus across 300+ languages.
Text translation via the LibreTranslate API — translate text between languages with language detection support.
what3words 3-word address geocoding via the Pipeworx gateway for precise location lookup and conversion.
Looks up ISO country, language, currency, and script codes from the Debian iso-codes dataset.
DeepL text translation, usage tracking, and supported language listing via the DeepL API.
MCP server for a multilingual trivia API with 1.4M+ questions across 24 categories in English and Polish.
Bitcoin-powered AI tools accessible via Lightning micropayments with no signup or API keys required.
Search and contact business listings and brokers on the Venturu business-for-sale marketplace.