Discovered · unverified

x402-seller-mcp

Pay-per-call MCP server. Exposes 33 API endpoints billed in USDC on Base via the x402 protocol — no subscription, no API key, no account. Categories: DeFi & crypto data (prices, TVL, yields, stablecoins), on-chain reads (gas, blocks — Base & Ethereum), public data (ECB FX rates, GitHub, npm, Hacker News, Wikipedia, DNS, RDAP), AI tasks (summarize, classify, translate, extract), web reading, web search. Pricing: $0.005–$0.02 per call. Without a wallet, each tool returns its price. With BUYER_PRIVATE_KEY set, the server pays and returns the result plus the transaction hash. Live en

Source-provided description, not an independently verified capability claim.

Check the source before connecting.

Vendor ownership, pricing, documentation, and execution are not verified for this discovery record. Appearing in the official MCP registry does not mean this server is vendor-owned or tested.

Relevance and review status.

Awaiting triage. Method: not yet classified.

Task signals: web search.

Setup and documentation.

No verified installation steps or callable endpoint are supplied by this discovery record. Follow the original repository or directory entry to inspect current setup instructions, permissions, and authentication.

Source receipts.

smithery · Observed 2026-10-17

Discovery ID: 0429af43f99b9ab644c7. Snapshot: 2026-10-17. Read this record as JSON · Full discovery dataset.

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