{"name":"query_string_convert","title":"Query-String Parse / Build","category":"developer","description":"Parse a URL query string into params, or build a query string from params (x-www-form-urlencoded, RFC 3986).","price_usd":0.001,"input_schema":{"type":"object","properties":{"mode":{"type":"string","description":"parse | build (default parse)","enum":["parse","build"]},"query_string":{"type":"string","description":"Query string to parse (mode=parse)"},"params":{"type":"object","description":"{key: value|array-of-values} to build (mode=build)"}},"additionalProperties":false}}