Yes it needs your lnd seed. It's safe. It's made by lnd folks
Any thoughts on what I’m doing wrong here… could not query API for addresses with funds: could not query unspent: error decoding data from API 'https://blockstream.info/api/address/bc1ph58qnydnj8eanrzrxy9nxx652fe7x98hlfylzxsjj0s3tynaxthsk9xz7x', server might be experiencing temporary issues, try again later; error details: invalid character 'Y' looking for beginning of value