Yaml Validator

Validation REST API MCP

Validate YAML and return either the re-formatted document or the parse error with its line and column. Valid input is re-emitted with the chosen indentation, optionally with keys sorted alphabetically at every level.

This page documents the HTTP endpoint POST /api/tools/yaml-validator/execute. See the MCP reference →

Use in the browser View as Markdown

Call it over REST

POST https://api.findutils.com/api/tools/yaml-validator/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/yaml-validator/execute \
  -H "Content-Type: application/json" \
  -d '{
    "yaml": "name: x\ntags:\n  - a\n  - b"
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/yaml-validator

Interactive docs · OpenAPI 3.1 spec · All REST tools

Input schema

Argument	Type	Required	Description
yaml	string	yes	The YAML text to validate and format.
indent	integer	no	Indentation width for the formatted output (1-8). Default: 2. Default: 2.
sort_keys	boolean	no	Sort mapping keys alphabetically at every level. Default: false. Default: false.

Example arguments (verified)

{
  "yaml": "name: x\ntags:\n  - a\n  - b"
}

Also an MCP tool

Claude, Cursor, and any MCP client can call this tool as findutils:yaml_validator after one connect command.

Connect once

claude mcp add findutils --transport http https://mcp.findutils.com/

Open the MCP reference for Yaml Validator →

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