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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.
x402 payment layer for AI agent calls with crypto quotes, progress streams, and receipts.
Pay-per-call USDC tools via x402/Base: company and wallet enrichment, web content reading, and repository scanning.
Pay-per-use tool API for AI agents with free tier, x402 USDC micropayments, and API key access.
High-throughput Twitter/X crawling with authenticated XLSX export
Make x402 micropayments in USDC on Base from AI coding environments.
AI agent gateway with web fetching, data extraction, crypto pricing, and x402 payment facilitation.
Pay-per-call data tools for AI agents on Base, priced via x402 USDC micropayments.
Instant web publishing for AI agents — POST HTML, get a live URL with no account needed.
Clean YouTube transcripts for agents: single videos, channels, playlists, plus AI caption cleanup.
Hosted MCP gateway with 10 tools for code analysis, architecture review, package auditing, and security scanning.
US ZIP code intelligence: demographics, weather, tax rates, crime statistics, housing data, and voting patterns.
ZoningVerdict gives human-reviewed zoning answers with ordinance citations for covered US municipalities.
Class scheduling, attendance tracking, and booking management for activity businesses.
AI agent access to Zyberno stock valuation — intrinsic value, DCF models, and fundamental analysis.