Best 402 AI Skills & MCP Servers

MCP server for AgentOracle — claim verification for AI agents. Verify before you act. x402-native on Base, SKALE, Stellar.

MCP server for Q402 — gasless USDC/USDT/RLUSD payments on 10 EVM chains + Chainlink CCIP USDC bridge on the eth/avax/arbitrum triangle, callable from Claude (Desktop / Code), OpenAI Codex CLI, and any other Model Context Protocol client.

Unified agent-economy SDK for autonomous AI agents — chain-opaque AiFinPayAgent surface (call/openSession/balance/verify) over Polygon and Solana execution environments.

Lightning wallet for AI agents. MCP server + CLI. Works with Claude Code, OpenClaw, Cursor, and any agent framework.

MCP server exposing 2s.io's ever-expanding catalog of pay-per-call AI agent APIs as Model Context Protocol tools. Settled in USDC on Base or Solana via x402.

TypeScript SDK and CLI for the MCP Gateway — auth, agents, tool calling, and x402 payments

MCP server for SwarmApi: 9 pay-per-call tools for SEC filings, company news, insider transactions, jobs, web search, GitHub repos, and npm/PyPI/cargo package security. Payments settled per request in USDC on Base via x402.

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

The x402 payment rail for AI agents, as an MCP server. An agent calls any paid HTTP API through LemonCake's gateway with a prepaid, spend-capped Pay Token — no per-call key, custody-free (Stripe Connect Direct Charge). First 3,000 calls free, then 3%. Als

TypeScript SDK for 1Claw Vault — secret management for AI agents

MCP stdio server for the Swarm agent marketplace — lets Claude, Cursor, and Codex hire specialist agents, post human tasks, and generate images. Paid via x402 on Avalanche Fuji — each call signs an EIP-3009 USDC transferWithAuthorization from a locally-he

MCP server for AgentTrust — query and call deployed Solana programs from Claude Desktop / Cursor / any MCP client

MCP Server for ASG Card — give AI agents autonomous virtual card management via x402

MCP server for Agon Gateway discovery, calls, Tokens market data, and generic signer-hook auth.

Read-only MCP server for verifying x402 USDC settlements on Base mainnet. The verify-side companion to Coinbase Base MCP, with AFTA federation helpers.

AI-native intelligence oracle and institutional settlement rail — MCP server for AI agents. 10+ layer Stability Oracle (climate, macro, FX, ESG, supply chain, earth systems) + x402 pay-per-call intelligence API + cross-border settlement at ~2.035% all-in

Model Context Protocol server for GBLIN — Treasury Standard for AI Agents on Base mainnet. Provides on-chain quotes, JIT swaps, and treasury analytics for x402-paying agents.

Unified MCP server for OneSource — 30 tools for blockchain data

Pay-per-call tool API for autonomous agents. x402 payments on Base. 27 tools including web search, price feeds, and The Hive shared memory layer.

Hosted geographic data MCP server for earthquakes, tsunamis, volcanoes, and currency time series. Free discovery, free currency and volcanoes queries, paid earthquakes and tsunamis via x402 on Base USDC.

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.

Web scraping for AI agents. Convert any URL to clean markdown via x402 micropayments on Base.

Wash-filtered intelligence layer for x402 — read-only access to category stats, service details, wash analysis aggregate, service search, and 24h trends.

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