SchemaSure MCP

An MCP client for SchemaSure that enables autonomous agents to extract schema-valid JSON from text or document images using pay-per-call APIs. It supports payments via x402 V2 USDC on Base or MPP on Tempo, ensuring output validates against a provided JSON Schema or the user is not charged.

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Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by SchemaSure

You need:Set SCHEMASURE_PRIVATE_KEY to enable paid text and image callsMCP client v0.4.0+ supports SCHEMASURE_PAYMENT_PROTOCOL=mpp for Tempo

Vendor documentation

What you can do with it

Extract schema-valid JSON from unstructured text
Extract structured data from document images
Validate extracted output against a JSON Schema

Source and maintenance

Community listingRegistry 0.4.0

mcp-registry: io.github.noamjose/schemasure@0.4.0 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@noamjose/schemasure 0.4.0

npmnpx

@noamjose/schemasure package definition

{
  "version": "0.4.0",
  "transport": "stdio",
  "identifier": "@noamjose/schemasure",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "SCHEMASURE_API_URL",
      "default": "https://schemasure.com",
      "description": "Base URL of SchemaSure. Text has free V1 evaluation without a wallet; image extraction is V2-only and always requires a wallet."
    },
    {
      "name": "SCHEMASURE_TIMEOUT_MS",
      "default": "90000",
      "description": "Per-call request timeout in milliseconds."
    },
    {
      "name": "SCHEMASURE_PRIVATE_KEY",
      "description": "Optional EVM key for a dedicated spending wallet. Signs x402 Base or MPP Tempo payments locally; never sent to SchemaSure."
    },
    {
      "name": "SCHEMASURE_MAX_PRICE_USD",
      "default": "0.10",
      "description": "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."
    },
    {
      "name": "SCHEMASURE_PAYMENT_PROTOCOL",
      "default": "x402",
      "description": "Payment protocol: x402 (USDC on Base) or mpp (USDC.e on Tempo). Signing stays local."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "schemasure-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@noamjose/schemasure@0.4.0"
      ],
      "env": {
        "SCHEMASURE_API_URL": "<YOUR_SCHEMASURE_API_URL>",
        "SCHEMASURE_TIMEOUT_MS": "<YOUR_SCHEMASURE_TIMEOUT_MS>",
        "SCHEMASURE_PRIVATE_KEY": "<YOUR_SCHEMASURE_PRIVATE_KEY>",
        "SCHEMASURE_MAX_PRICE_USD": "<YOUR_SCHEMASURE_MAX_PRICE_USD>",
        "SCHEMASURE_PAYMENT_PROTOCOL": "<YOUR_SCHEMASURE_PAYMENT_PROTOCOL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "schemasure-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@noamjose/schemasure@0.4.0"
      ],
      "env": {
        "SCHEMASURE_API_URL": "<YOUR_SCHEMASURE_API_URL>",
        "SCHEMASURE_TIMEOUT_MS": "<YOUR_SCHEMASURE_TIMEOUT_MS>",
        "SCHEMASURE_PRIVATE_KEY": "<YOUR_SCHEMASURE_PRIVATE_KEY>",
        "SCHEMASURE_MAX_PRICE_USD": "<YOUR_SCHEMASURE_MAX_PRICE_USD>",
        "SCHEMASURE_PAYMENT_PROTOCOL": "<YOUR_SCHEMASURE_PAYMENT_PROTOCOL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "schemasure-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@noamjose/schemasure@0.4.0"
      ],
      "env": {
        "SCHEMASURE_API_URL": "<YOUR_SCHEMASURE_API_URL>",
        "SCHEMASURE_TIMEOUT_MS": "<YOUR_SCHEMASURE_TIMEOUT_MS>",
        "SCHEMASURE_PRIVATE_KEY": "<YOUR_SCHEMASURE_PRIVATE_KEY>",
        "SCHEMASURE_MAX_PRICE_USD": "<YOUR_SCHEMASURE_MAX_PRICE_USD>",
        "SCHEMASURE_PAYMENT_PROTOCOL": "<YOUR_SCHEMASURE_PAYMENT_PROTOCOL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "schemasure-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@noamjose/schemasure@0.4.0"
      ],
      "env": {
        "SCHEMASURE_API_URL": "<YOUR_SCHEMASURE_API_URL>",
        "SCHEMASURE_TIMEOUT_MS": "<YOUR_SCHEMASURE_TIMEOUT_MS>",
        "SCHEMASURE_PRIVATE_KEY": "<YOUR_SCHEMASURE_PRIVATE_KEY>",
        "SCHEMASURE_MAX_PRICE_USD": "<YOUR_SCHEMASURE_MAX_PRICE_USD>",
        "SCHEMASURE_PAYMENT_PROTOCOL": "<YOUR_SCHEMASURE_PAYMENT_PROTOCOL>"
      }
    }
  }
}

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