{
  "name": "2sio",
  "displayName": "2s.io",
  "description": "MCP server for 2s.io — pay-per-call AI-agent data APIs in USDC on Base/Solana via x402.",
  "homepage": "https://2s.io",
  "transport": "stdio",
  "install": {
    "registry": "npm",
    "package": "@2sio/mcp",
    "command": "npx",
    "args": [
      "-y",
      "@2sio/mcp"
    ]
  },
  "remote": {
    "transport": "streamable-http",
    "url": "https://2s.io/mcp",
    "auth": "Set header X-EVM-Private-Key: 0x… (or Authorization: Bearer 0x…), an EVM key funded with USDC on Base; the server signs + settles x402 per call.",
    "note": "Connect by URL with no install. Tradeoff: your private key transits 2s infrastructure to sign — for keys that never leave your machine, use the local install above (or the SDK)."
  },
  "auth": {
    "model": "x402 (USDC on Base eip155:8453 or Solana). Set EVM_PRIVATE_KEY and/or SOLANA_PRIVATE_KEY.",
    "trial": "Tool discovery + one free real call per endpoint per hour need no wallet (--trial / TWOS_TRIAL=1)."
  },
  "openapi": "https://2s.io/api/openapi",
  "directory": "https://2s.io/api/directory",
  "wellKnownX402": "https://2s.io/.well-known/x402",
  "toolCount": 575
}