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SchemaSure — structured extraction

Official registry Productivity

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

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @noamjose/schemasure
Claude Code 
claude mcp add schemasure-structured-extraction -e 'SCHEMASURE_API_URL=https://schemasure.com' -e 'SCHEMASURE_TIMEOUT_MS=90000' -e 'SCHEMASURE_PRIVATE_KEY=<your schemasure_private_key>' -e 'SCHEMASURE_MAX_PRICE_USD=0.10' -e 'SCHEMASURE_PAYMENT_PROTOCOL=x402' -- npx -y @noamjose/schemasure@0.4.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "schemasure-structured-extraction": {
            "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_URL Base URL of SchemaSure. Text has free V1 evaluation without a wallet; image extraction is V2-only and always requires a wallet.
  • SCHEMASURE_TIMEOUT_MS Per-call request timeout in milliseconds.
  • SCHEMASURE_PRIVATE_KEY secret Optional EVM key for a dedicated spending wallet. Signs x402 Base or MPP Tempo payments locally; never sent to SchemaSure.
  • SCHEMASURE_MAX_PRICE_USD Client-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_PROTOCOL Payment protocol: x402 (USDC on Base) or mpp (USDC.e on Tempo). Signing stays local.

Frequently asked questions

What is SchemaSure — structured extraction?

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

How do I install SchemaSure — structured extraction?

It runs on your machine. In Claude Code: claude mcp add schemasure-structured-extraction -e 'SCHEMASURE_API_URL=https://schemasure.com' -e 'SCHEMASURE_TIMEOUT_MS=90000' -e 'SCHEMASURE_PRIVATE_KEY=<your schemasure_private_key>' -e 'SCHEMASURE_MAX_PRICE_USD=0.10' -e 'SCHEMASURE_PAYMENT_PROTOCOL=x402' -- npx -y @noamjose/schemasure@0.4.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does SchemaSure — structured extraction need an API key?

Yes. It expects SCHEMASURE_PRIVATE_KEY, which you set in its configuration.

Is SchemaSure — structured extraction open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains SchemaSure — structured extraction?

It is published by noamjose. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.