Public Domain Check

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-11-13T05:17:54.464129Z",
      "publishedAt": "2026-11-13T05:17:54.464129Z",
      "statusChangedAt": "2026-11-13T05:17:54.464129Z"
    }
  },
  "server": {
    "name": "io.github.chomkaevan/public-domain-check",
    "title": "Public Domain Check",
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "remotes": [
      {
        "url": "https://public-domain-check-production.up.railway.app/mcp",
        "type": "streamable-http"
      }
    ],
    "version": "0.3.0",
    "packages": [
      {
        "version": "0.3.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "public-domain-check-mcp",
        "registryType": "npm",
        "environmentVariables": [
          {
            "name": "WALLET_PRIVATE_KEY",
            "isSecret": true,
            "description": "Private key of a wallet holding a little USDC on Base; pays a few cents per paid call. Free tools work without it."
          },
          {
            "name": "MAX_PRICE_PER_CALL",
            "description": "Hard cap in USD per call (default 0.25)"
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/chomkaevan/public-domain-check-mcp",
      "source": "github"
    },
    "websiteUrl": "https://public-domain-check-production.up.railway.app",
    "description": "US public-domain and copyright status for books, films, music and art. Pay per call via x402."
  }
}