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x402-market

asaishota/x402-market
authSTDIOregistry active
Summary

This server bridges Claude to any HTTP API that accepts x402 payments on Base mainnet, letting your agent pay for individual API calls on demand without subscriptions or API key management. It exposes a single tool, pay_and_call, that handles the payment and request in one shot. Reach for this when you want Claude to access premium APIs like real-time data feeds, computational services, or third-party tools that charge per use through the x402 protocol. The catalog endpoint suggests it maintains a directory of available paid APIs, though you'll need to fund the agent's wallet with Base tokens to actually make calls.

CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Keep your Mac awake
Keep your Mac awake
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →
Context.devContext.dev
Context.dev
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Make money from your Skills
Make money from your Skills
On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Keep your Mac awake
Keep your Mac awake
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →
Context.devContext.dev
Context.dev
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Make money from your Skills
Make money from your Skills
On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →
Featured
CodeRabbit
CodeRabbit
AI writes the code. CodeRabbit catches the slop.
Try For Free →
Keep your Mac awake
Keep your Mac awake
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →
Context.devContext.dev
Context.dev
Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →
Make your agent a DeFi expert
Make your agent a DeFi expert
Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
Make money from your Skills
Make money from your Skills
On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →
AppSignal
AppSignal
Monitor with ease. Code with confidence.
Start Free Trial →

Configuration

MARKET_API_URLdefault: https://x402-market-api.lien-studio-akiyama.workers.dev

Marketplace API base URL.

MCP_BUYER_PRIVATE_KEYsecret

Funded buyer wallet private key (0x-prefixed). Required for pay_and_call; read-only tools work without it.

BASE_RPC_URLdefault: https://mainnet.base.org

Base RPC endpoint. Defaults to Base mainnet public RPC; Alchemy/QuickNode recommended for higher rate limits.

BASE_CHAIN_IDdefault: 8453

8453 = Base mainnet (default, matches live listings). 84532 = Base Sepolia testnet.

MCP_MAX_PRICEdefault: 1.0

Hard cap on per-call cost (USDC). Refuses to pay above this.

Registryactive
Package@x402-market/mcp-server
TransportSTDIO
AuthRequired
UpdatedMay 2, 2026
View on GitHub