MCP server connecting AI agents to 108 pay-per-call APIs through x402: 72 LLMs plus image, video, audio, web, code, crypto, wallet, travel, and IPFS. Pay per request in USDC on Base or Solana, or USDm on MegaETH.
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First seen 2 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
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| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Smithery | x402engine | - | 2 Oct 2026 |