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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.
Search and read web standards from WHATWG, IETF, W3C, MDN, Can I Use, WPT, Node.js, and TypeScript via remote Cloudflare Workers.
Directory of US clearinghouse and payer APIs (Availity, Optum, Waystar) with pricing and access signals.
Exposes Sychev Lab's e-commerce platform including products, articles, tutorials, and checkout tools.
Art-tourism data for AI agents: biennales, art fairs, and museums with current prices and dates.
Micropayment-based diagnostic service for AI agents — loop detection, scope checking, and context recovery via x402.
Lateral thinking prompts to break through creative blocks
Polymorphic agent runtime audit log and identity indexing for the Hive Civilization platform via live production gateway.
Directory of 41,000+ verified nonprofits — search charities, retrieve impact data, and donate USDC via the x402 protocol on Solana.
Access Vonage API documentation, code snippets, tutorials, and troubleshooting resources.
Read-only MCP server for the Gethal AI autonomous sales platform — pricing, features, use cases, and demo booking without authentication.
Provides access to Google People API for retrieving profiles, searching contacts, and accessing the directory.