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Pay-per-call agent tools via x402 (USDC on Base): chat, prices, funding, RNG. No account or keys.
About
Pay-per-call agent tools via x402 (USDC on Base): chat, prices, funding, RNG. No account or keys.
Remote endpoints: streamable-http: https://x402.shizu.me/mcp/rpc
Security Report
Valid MCP server (1 strong, 0 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
5 tools verified · Open access · No issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"io-github-scrape402-scrape402": {
"url": "https://x402.shizu.me/mcp/rpc"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
x402 examples — pay-per-call APIs for AI agents
Working examples for calling x402-gated HTTP APIs: your agent pays USDC per request on Base — no signup, no API keys, no subscription.
All examples run against x402.shizu.me (77 live
endpoints, prices from $0.001/call): an OpenAI-compatible LLM gateway
(/v1/chat/completions, /v1/embeddings, /v1/models), web search, a code
sandbox, web scraping, live crypto/market data, verifiable randomness, and a
prepaid off-chain metering rail for high-frequency loops (100+ calls/min,
no per-call gas).
How x402 works
- Call any endpoint → the
HTTP 402response carries signed USDC payment requirements (price, asset, recipient). - Pay — your x402 client signs the payment locally and retries automatically.
- Served — settlement is on-chain; you are only charged when the call succeeds. Errors and 4xx never settle.
Fund a wallet with a few dollars of USDC on Base, export its private key, and every example here just works.
JavaScript
npm install x402-fetch viem
export X402_PRIVATE_KEY=0x... # wallet holding USDC on Base
node js/chat.mjs
Python
pip install x402 eth-account httpx
export X402_PRIVATE_KEY=0x...
python python/chat.py
Examples
| File | What it shows |
|---|---|
js/chat.mjs | OpenAI-compatible chat completion, paid per call |
js/search.mjs | Live web search without a search-API account |
python/chat.py | Chat completion via the Python x402 client |
python/embeddings.py | OpenAI-shape embeddings for RAG loops |
python/metered_loop.py | Prepay once, then 100+ calls/min off-chain |
Just looking?
Every route quotes its price on a free unpaid request:
curl -i https://x402.shizu.me/crypto # → 402 + payment requirements
curl https://x402.shizu.me/llms.txt # full catalog, agent-readable
Links
Live service: https://x402.shizu.me · OpenAPI: https://x402.shizu.me/openapi.json · MCP tools: https://x402.shizu.me/.well-known/mcp-tools · Contact: x402@opklaar.com
MIT licensed.
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