MCPLow riskUnclaimed

Payload Validator

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

gumballtools.comgumballtools.com/payload-validatorUpdated Sep 6, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "com.gumballtools/payload-validator",
  "description": "Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.",
  "title": "Payload Validator",
  "repository": {
    "url": "https://github.com/bwalvoord/gumball",
    "source": "github"
  },
  "version": "0.1.0",
  "websiteUrl": "https://payload-validator.gumballtools.com",
  "remotes": [
    {
      "type": "streamable-http",
      "url": "https://payload-validator.gumballtools.com/api/mcp"
    }
  ]
}

Permissions

DeclaredDetected
Runs code—None
Installs—None
Runs install scripts—None
Networkpayload-validator.gumballtools.compayload-validator.gumballtools.com
Needs credentialsNoneNone
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #10.1.0latestOct 7, 2026