JSON Validator API

About JSON Validator API

Use JSON Validator API with your agent

claude mcp add --transport sse json-validator-api https://json-validator.api.klymax402.com/mcp

{
  "mcpServers": {
    "json-validator-api": {
      "url": "https://json-validator.api.klymax402.com/mcp"
    }
  }
}

Frequently asked questions

What is JSON Validator API?

JSON Validator API is an MCP (Model Context Protocol) server by br0ski777 in the Finance category. JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

How do I connect JSON Validator API to Claude, Cursor, or another MCP client?

JSON Validator API is a remote MCP server — add its endpoint (https://json-validator.api.klymax402.com/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is JSON Validator API open source?

Yes — the source code is public at github.com/br0ski777/json-validator-x402.

Can AI agents pay to use JSON Validator API?

Not yet through Loomal — JSON Validator API is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.