60 个# x402 MCP 服务器和客户端

x402-list-mcp

mcccsm

MCP server for x402-list.com: discover x402 payment services and on-chain-verified facilitator settlement volumes. Published on npm as x402-list-mcp.

Run402

MajorTal

MCP server for Run402 — AI-native Postgres + REST + auth + storage + static sites. Pay with x402 USDC on Base. No signups.

APIbase — The API Hub for AI Agents

whiteknightonhorse

Universal MCP gateway for AI agents — 1108 tools, 307 providers. One endpoint (https://apibase.pro/mcp), pay-per-call with x402 USDC on Base + MPP USDC on Tempo.

Apimesh

mbeato

APIMesh — 23 pay-per-call web analysis APIs + 16-tool MCP server with autonomous API generation. Security audits, SEO, tech stack detection. x402 + Stripe MPP payments.

Payflow

chainbound

A toolkit for building micropayment-gated MCP servers

MangroveAI

MangroveTechnologies

Mangrove gives trading agents guardrails. Built-in risk management on every order: circuit breakers, drawdown limits, automatic risk-based position sizing and automatically generated stop-loss and take-profit orders. Ove

Priors

priors-agents

On-chain credit pool for ERC-8004 AI agents on Robinhood Chain: agents borrow USDG, repay it and earn a public credit score. Contracts, SDK, CLI, MCP server (@priors/mcp), x402 helpers (@priors/x402) and an agent skill.

Agirails MCP Server

agirails

MCP server for AGIRAILS — agent payments, discovery, escrow, and settlement from any AI context window

Orbis Travel Mcp

OrbisAPI

500+ travel APIs for AI agents — flights, hotels, destinations. Pay per call with USDC via x402.

IBANforge

cammac-creator

IBANforge — IBAN validation, BIC/SWIFT lookup, Swiss clearing, and EMI/vIBAN classification API with MCP for AI agents

Storyflo

Alisammour

Official Storyflo MCP server — install + discovery reference. The Storyflo platform is proprietary; this repo is the public agent integration surface.

Pqs Prompt Quality Score

OnChainAIIntel

The world's first named AI prompt quality score. Score any LLM prompt before it hits any model — returns grade (A-F), score out of 40, percentile, and dimension breakdown across 8 quality dimensions.

scvd.store

seancrecord

scvd.store is an evidence observatory for agentic commerce. Independent signed observation of what other people's endpoints, artifacts and payments actually did among other things. USDC on Base, Arbitrum One, World Chain

x402search — Pay-Per-Search API Discovery for AI Agents

x402-index

Search 13,000+ x402-enabled APIs from your AI agent. Powered by x402search.xyz

PincerPay

ds1

On-chain USDC payment gateway for AI agents. x402 protocol.

FiatDock

fiatdock

A marketplace where AI agents discover and pay each other per call in USDC over x402 - settlement goes DIRECTLY to the seller's wallet: no accounts, no API keys, no subscriptions. Buy from the live catalog, or list your

X402 Mcp

x402node

MCP server bringing 100+ x402-paid APIs to AI agents. Auto-syncs from CDP Bazaar. Stablecoin micropayments via x402 protocol across multi-chain (Base, Solana, Polygon, BNB, EVM). Built for agentic commerce: developer utilities, validators, encoders, generators, M2M payments, auto

NodusAI MCP Server — Prediction Market Signals

NodusAI-Your-Prediction-Broker

AI-Powered Signals for Prediction Markets — accessible to any AI agent via MCP.

~Alter Identity

true-alter

The identity layer for AI agents. Verify a person is known to the ~Alter field, query inferred traits, and settle premium calls in USDC; your identity earns. @truealter/sdk, Apache-2.0.

GoldBean - Baidu AI API Marketplace with x402 Micropayments

wuzenghai616-lang

Baidu AI for AI agents — OCR, TTS, LLM. 47 endpoints (26 paid + 21 free). No API key. Pay per call with USDC.

Gatefare — paid-API marketplace

gatefareio

MCP server for Gatefare — discover, buy, and publish paid APIs (x402 over USDC on Base) from Claude, Cursor, and any AI agent.

Intelica

teodorofodocrispin-cmyk

Competitive intelligence API for autonomous AI agents — pay-per-call via x402 on Base and Solana

Xenarch — X402 Mcp Server For Ai Agent Payments

xenarch-ai

x402 MCP server for AI agent payments. Gasless USDC micropayments on Base L2. Claude, Cursor, LangChain, CrewAI, AutoGen, LangGraph resolve HTTP 402 with no API keys. Non-custodial, settlement-provider-agnostic, 0% fee.

Code Quality Scanner

luxemarasound-stack

x402 on demand micro services

Madeonsol — Solana Kol & Memecoin Intelligence

LamboPoewert

MCP server for MadeOnSol Solana KOL intelligence — use from Claude, Cursor, or any MCP client

X402mail - Email API with crypto micropayments

MuzsaiLajos

Python SDK for x402mail - send and receive email with USDC micropayments

Lemma — Verifiable Provenance For Ai Agents

lemmaoracle

AI agents make decisions you can't audit. Lemma fixes that with zero-knowledge proofs over confidential documents — selective disclosure, on-chain provenance, no plaintext exposure. Query cryptographically verified attributes from agents in production. Built for regulated industr

Pay-per-query digital nomad intelligence for AI agents. Visa requirements, cost of living, coworking spaces, safety advisories, and connectivity data for 20+ countries via x402 protocol (USDC on Base). No API keys needed — payment is the authentication.

x402 micropayment API for AI agents. Extract text from images using OCR. Supports URL or base64 input. Pay per call with USDC on Base.

9 autonomous crypto intelligence tools paid via x402 USDC on Base. Whale alerts, DeFi yields, GODMODE agents ($25-$500), narrative detection, liquidation prediction and more. Any AI agent can discover and pay autonomously.

Signal Nodus SEC Filings

Signal Nodus

Primary-source SEC intelligence for AI agents, delivered over MCP. 27 tools: year-over-year filing diffs, 8-K material events, 13D/13G activist stakes, insider Form 4 trades, 13F institutional holdings, IPO pipeline, ful

Formally verified AI safety APIs for autonomous agents. 75+ endpoints, x402 USDC micropayments, MCP server, A2A protocol. No signup required.

x402 micropayment API for AI agents. Validates postal addresses worldwide. Pay per call with USDC on Base.

x402 micropayment API for AI agents. Takes website screenshots and converts to PDF. Pay per call with USDC on Base.

16 pay-per-call AI services: code audit, refactoring, DeFi analysis, Solidity scanner, SQL tools, trading signals. Powered by DeepSeek V4 Pro. Payment via x402 USDC.

MERX - TRON Infrastructure for AI Agents

Hovsteder

TRON infrastructure layer for AI agents. 66-tool MCP server with energy aggregation across 6 providers, USDT/USDC/USDD agent payment service, x402 v2 facilitator (only TRON facilitator in coinbase/x402 registry), GasFree mainnet transfers, A2A + ACP support.

NodeFlare

Nodeflare-app

Blockchain JSON-RPC on 23 EVM chains for AI agents (MCP server). Free reads, or x402 pay-per-call. npx -y nodeflare-mcp

A wallet for your agents to onboard and pay. Agentic MPP / x402 payments from your machine - CLI + MCP server.

x402 micropayment API for AI agents. Detects funding rate arbitrage opportunities. Pay per call with USDC on Base.

Access 5+ ATXP agent tools via MCP: web search, AI image generation, email (send/inbox), and music generation. Free tier: 3 web searches/day. Pro tier: all tools, pay-per-use via x402 micropayments (USDC on Base mainnet, $0.01-0.15/call). No subscription, no API key needed.

AI agent knowledge marketplace. Discover, purchase, and retrieve human expertise via x402 on Solana. Tools: km_search, km_get_detail, km_purchase, km_get_content, km_publish.

MCP server for email address validation — syntax check, MX record verification, disposable email detection, role-based detection. Pay-per-use via x402 protocol (USDC on Base). Use this when you need to validate email addresses before sending.

Satring

toadlyBroodle

The best curated L402 + x402 API directory. Find, rate, and connect to paid APIs via Lightning (L402) or USDC on Base (x402). Discover 200+ reviewed, verified, paid, and live services, curated and tested via https://satring.com

Get AI-powered IT certification practice questions via MCP. Supports 50+ certs (AWS, CompTIA, Cisco, Azure, GCP). Uses x402 HTTP micropayments (~$0.01 USDC per request) on Base network — no subscription needed. Pass an optional API key to skip payment. Built on Supabase Edge Func

Aifais Document Intelligence

AIFAIS

Headless document processing for AI agents. Invoice extraction, contract analysis, and Dutch business verification. Pay-per-use via X402 on Solana. No API keys needed.

MoltPe

umangbuilds

AI-native payment infrastructure that gives AI agents isolated wallets with programmable spending policies for autonomous USDC stablecoin transactions. 11 MCP tools for Claude Desktop, Cursor, and Windsurf. Tri-rail support: x402 (HTTP-native micropayments), MPP (session-based st

x402 micropayment API for AI agents. Evaluates password strength and security. Pay per call with USDC on Base.

MCP adapter for x402station.io — infrastructure for x402 agentic

Gdpr Scanner X402

Br0ski777

Scan website GDPR compliance: cookie consent, privacy policy, trackers. Score 0-100. -- x402 micropayment API + MCP server for AI agents

x402 micropayment API for AI agents. Validates and formats phone numbers. Pay per call with USDC on Base.

x402 micropayment API for AI agents. Tests and inspects webhook payloads. Pay per call with USDC on Base.

Taste

with0utwhy

Pay-per-call MCP server. Vetted human experts review AI content, audit reasoning, gate approvals, and convene think-tank working sessions. 9 paid tools $1–$15, USDC on Base via x402.

Deaddrop

jerrywrongalot-byte

MCP server: AI agents share self-destructing one-time secrets via DeadDrop - zero-knowledge, paid per call in USDC over x402 on Base

AQL PropertyCheck — Physical check of one exact address

Alpha Quant Labs

Check one exact Gold Coast or Brisbane City property address. Free address/coverage check and short summary; paid structured Agent JSON adds available building, street and surrounding context, with Brisbane routed journe

Machina

Machina

MCP server for Machina's x402-powered AI agent services. 8 tools: URL extraction, Python security scanning, email validation, domain intelligence, and PDF processing. Pay-per-call in USDC on Base — no subscriptions, no A

MCP server for crypto wallet portfolio analysis — token balances, USD valuations, multi-chain support (Ethereum, Polygon, Arbitrum, Base, BSC, Optimism). Pay-per-use via x402 protocol (USDC on Base). Use this when you need to check wallet holdings across chains.

Free moving quotes for AI agents from Next Generation Movers, a licensed interstate mover (USDOT 3764697). US long-distance nationwide and local DC/MD/VA. Indicative ballpark price and booking options; optional $0.01 x40

AgentRisk M2M

Neurobyteio

AgentRisk M2M 🛡️ The Security & Trust Layer for Autonomous Agents on Base. Stop letting your trading agents get rekt by stealth honeypots, dynamic sell-blocks, and rugpulls that pass every static check. ⚡ The Problem