SchemaSure — structured extraction

io.github.noamjose/schemasure

Extract schema-valid JSON from text/HTML or document images. Pay with x402 on Base or MPP on Tempo.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "schemasure": {
      "command": "npx",
      "args": [
        "-y",
        "@noamjose/schemasure@0.4.0"
      ],
      "env": {
        "SCHEMASURE_API_URL": "https://schemasure.com",
        "SCHEMASURE_TIMEOUT_MS": "90000",
        "SCHEMASURE_PRIVATE_KEY": "<your SCHEMASURE_PRIVATE_KEY>",
        "SCHEMASURE_MAX_PRICE_USD": "0.10",
        "SCHEMASURE_PAYMENT_PROTOCOL": "x402"
      }
    }
  }
}
Environment variables
  • SCHEMASURE_API_URLBase URL of SchemaSure. Text has free V1 evaluation without a wallet; image extraction is V2-only and always requires a wallet.
  • SCHEMASURE_TIMEOUT_MSPer-call request timeout in milliseconds.
  • SCHEMASURE_PRIVATE_KEYsecretOptional EVM key for a dedicated spending wallet. Signs x402 Base or MPP Tempo payments locally; never sent to SchemaSure.
  • SCHEMASURE_MAX_PRICE_USDClient-side spend cap in USD per call (paid mode). The client refuses to pay more than this, even if the server advertises a higher price.
  • SCHEMASURE_PAYMENT_PROTOCOLPayment protocol: x402 (USDC on Base) or mpp (USDC.e on Tempo). Signing stays local.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.4.0
Registry
active
Published
10/15/2026

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