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A curated registry of Model Context Protocol servers, each with an automated security grade from our tool-surface scanner.
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.
Live OpenCrater network stats and information on how MCP server and CLI maintainers earn USDC.
Architecture documentation and patterns for building NestJS and Nuxt full-stack applications.
Identity infrastructure for AI agents providing personality traits, belonging scores, and x402 micropayment-based identity queries.
Track KOL, smart money, and whale wallets on Solana, BNB, Base, and Ethereum via the CabalSpy API.
Document API for AI agents: render PDFs, e-sign with PAdES, and verify documents programmatically.
Provides trust ratings, website trust scans, identity claims, and signed scorecard verification for agents.
Verify crypto wallets and generate proof-of-funds letters for buying real estate with cryptocurrency.
Email verification for AI agents: verify, clean, and validate emails with self-onboarding and crypto payment.
Access Wubble's AI-powered royalty-free music, voice, and sound effects library with tools for searching and generating audio assets.