Best Micropayment AI Skills & MCP Servers

MCP server for GoldBean - 10 core paid APIs for AI Agents via x402 micropayments. Crypto price, weather, search, image-gen, code, AI chat and more. Pay-per-call with USDC on Base.

MCP server for APIMesh — 76 x402-payable tools for AI agents (74 APIs + wallet usage + spend caps). Covers web vitals, security headers, SEO audits, email security and verification, tech-stack detection, brand assets, redirect chains, indexability, brand

Non-custodial x402 MCP server for AI agents. Lets Claude, Cursor, LangChain and CrewAI pay for HTTP 402–gated APIs with USDC micropayments on Base L2. Unlike Cloudflare Pay-Per-Crawl, works on any host and settles agent-to-publisher direct.

MCP server for UtilsForAgents with eight paid x402 utility tools plus one free feedback tool, with Base or Solana payer support.

BlockRun MCP Server - Give your AI agent web search, deep research, prediction markets, crypto data, X/Twitter intelligence. Paid via x402 micropayments.

First MCP wellness server for HUMANS and AI AGENTS. Pay-per-call wellness micro-content (18 formats × 20 languages × 2 audiences), settled in USDC on Solana via x402.

Framework-agnostic SDK for Routstr API interactions

MCP server for Run402 — AI-native Postgres databases with REST API, auth, storage, and row-level security. Pay with x402 USDC micropayments.

MCP server for CoinOpAI — agent automation prompts and crypto signals via x402 micropayments on Base

36+ crypto security & intelligence tools via x402 micropayments. Free trials on every tool (1-5 free calls per tool, resets weekly). Deep contract audits ($0.05, 1 free), honeypot detection ($0.02, 3 free), whale decoding ($0.15, 1 free), rug pull prediction ($0.10, 1 free), copy

Supply chain intelligence APIs for AI agents. Real-time freight rates (85+ carriers), crypto/forex/commodity prices, port congestion (NOAA), shipping lanes, economic indicators (FRED), and Cerebrix AI inference. 100 free calls/day, no signup. x402 USDC micropayments, ERC-8004 t

Intelligence Aeternum — AI training dataset marketplace with 100,000+ museum artwork images with 4K token .json metadata. Search, preview, and purchase curated art datasets with provenance tracking. Powered by x402 USDC micropayments.