YAML <-> JSON Converter

Convert a YAML document to JSON, or a JSON object to YAML, using a safe (non-code-executing) parser.

Free tier eligible — 500 calls/month with a free key from /pricing; x402 pay-per-call above quota.

Parameters

Parameter	Type	Required	Description
`direction`	string	required	yaml_to_json \| json_to_yaml One of: yaml_to_json, json_to_yaml
`yaml`	string	optional	YAML text (direction=yaml_to_json)
`data`	object	optional	JSON object to serialize (direction=json_to_yaml)

Call it over MCP (JSON-RPC 2.0)

curl -s https://wingmanprotocol.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "yaml_json_convert", "arguments": {"direction": "yaml_to_json"}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/yaml_json_convert \
  -H 'Content-Type: application/json' \
  -d '{"direction": "yaml_to_json"}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/yaml_json_convert from your browser.

This tool is x402-metered — agents pay per call with USDC on Base. The 402 response below is the standard x402 payment-requirements envelope: sign the EIP-3009 authorization and retry with the X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).