Payload Validator

com.gumballtools/payload-validator

Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.

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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: Cursor · HTTP clients.

{
  "mcpServers": {
    "payload-validator": {
      "url": "https://payload-validator.gumballtools.com/api/mcp"
    }
  }
}

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

Category
AI & ML
Version
0.1.0
Registry
active
Published
9/6/2026

Remotes

  • streamable-httphttps://payload-validator.gumballtools.com/api/mcp

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Payload Validator — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/com-gumballtools-payload-validator?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Payload Validator — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Payload Validator — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/com-gumballtools-payload-validator?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.