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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 runtime controls on live MCP traffic (Free / Pro $49 / Team $399). Do not equate Andrax grades with Guard 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.
Unified access to global medical terminologies: ICD-11, SNOMED CT, LOINC, RxNorm, MeSH, ATC, CID-10.
Unified access to global medical terminologies: ICD-11, SNOMED CT, LOINC, RxNorm, MeSH, ATC, CID-10.
jsDelivr Data API MCP — package metadata and CDN usage statistics.
Rust package registry data via the Crates.io REST API v1, free with no authentication required.
Browse and search the deno.land/x third-party Deno module registry.
Query deps.dev for package metadata and dependency graphs across open-source ecosystems.
Query Go module proxy data including module info, version lists, and go.mod files.
Search Maven Central for Java and JVM ecosystem packages by group ID, artifact ID, version, or class name.
Search NuGet for .NET and C# packages by name, description, tags, and author using the NuGet package search API.
UK Office for National Statistics official datasets for economic, demographic, and social statistics via Pipeworx.
Searches and retrieves package information from the npm registry.
PHP Composer package registry search and metadata via the Packagist API through Pipeworx's managed gateway.
Go module and package documentation via the Go proxy API through Pipeworx's managed gateway.
Parses effective TLDs using the Mozilla Public Suffix List with 24-hour caching.
Python package registry data via the PyPI JSON API, free with no authentication required.
Search and retrieve gem metadata, versions, dependencies, and reverse dependencies from the RubyGems.org public API via the Pipeworx gateway.
Twelve Data financial market API: stocks, ETFs, forex, and crypto time series, quotes, dividends, splits, and earnings.
MCP-native AI evaluation: rubric audits, eval suites, and proof reports for AI/LLM output.
Scans URLs for malware, phishing, and security threats using ScanMalware.com.
x402 payment layer for AI agent calls with crypto quotes, progress streams, and receipts.