Best X402 AI Skills & MCP Servers

Solana Token Safety API & MCP Server — rug pull, honeypot, and safety analysis for AI agents

22 x402 pay-per-call utility tools for AI agents — scrape, validate, embed, store, moderate, notify, convert, prevent loops. No accounts, no API keys. USDC on Base via the x402 protocol.

Shared TypeScript types and x402 payment-flow utilities for @xenarch/agent-mcp — Xenarch's non-custodial x402 MCP server.

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.

Scaffold a Voidly Pay-enabled AI agent in one command. Pick a template (paid MCP server, Hono x402 endpoint, FastAPI x402 endpoint, or zero-code universal proxy) and you're running in under 60 seconds.

Cinderwright Discovery Hub MCP Server - cross-protocol agent payments search engine. 1,551 services across x402, MPP, and Lightning.

MCP server that stops AI agents from overpaying. Drops into Claude Desktop, Cursor, Continue, Windsurf, Zed, ChatGPT desktop, and Gemini CLI to give any agent live fair-market-value lookups, a green/amber/red prepay verdict, and cryptographically-signed (

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

The complete TRON infrastructure layer for AI agents. 66 tools, 30 prompts, 21 resources. MCP + A2A + ACP + x402 v2 facilitator.

Model Context Protocol server for the XRPL-Utilities portfolio: Sentinel (wallet classifier), Pulse (signal feed), Telemetry (supply + utility floor), Trust (XLS-70/80/81 directory), Vault (RWA tracker), and Flows (ETF AUM vs XRPL flow correlation). Expos

Generic MCP server for calling x402-protected APIs with automatic payment handling

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

Bitcoin-native MCP server for AI agents: BTC/STX wallets, DeFi yield, sBTC peg, NFTs, and x402 payments.

MCP server for TensorFeed.ai - AI news, status, model data, and premium endpoints (routing, cost projection, forecast, history series, news search, webhook watches with digest tier, enriched directory) for AI agents

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

MCP server for BYTE Library — per-byte USDC data feeds for AI agents on Arbitrum. Subscribe to first-party feeds or pay-per-call via x402; every settlement carries an EIP-712 PayloadAttestation receipt. No API keys, no token.

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

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

Monetize any HTTP API or MCP server in one line — no monthly fee, 3,000 calls free, then 3% only when your API earns. Non-custodial USDC billing on Base (~2s settlement, ~60x cheaper than card rails), x402-compatible. Also ships 8 free real-API demo tools

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

Installable AgentLux MCP server and embeddable toolkit for marketplace, identity, creator, services, and social flows on Base

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

MCP server for hyperD x402 paid DeFi APIs — pay per call in USDC on Base, ~2s settlement, no API keys. 23 tools (16 paid endpoints + bundle settlement) across 7 EVM chains. Drops into Claude Desktop / Cursor / Cline / Zed via stdio.

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