Payload Validator
FreeNot checkedValidate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.
About
Validate JSON, YAML, XML and CSV with exact line/column errors and silent-corruption warnings.
Installing Payload Validator
This server has no published package — it is built from source. Open the repository and follow its README.
▸ github.com/bwalvoord/gumballFAQ
Is Payload Validator MCP free?
Yes, Payload Validator MCP is free — one-click install via Unyly at no cost.
Does Payload Validator need an API key?
No, Payload Validator runs without API keys or environment variables.
Is Payload Validator hosted or self-hosted?
A hosted option is available: Unyly runs the server in the cloud, no local setup required.
How do I install Payload Validator in Claude Desktop, Claude Code or Cursor?
Open Payload Validator on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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