Download makepty binaries for FreeBSD and Linux (static musl build) below.
I did my best to lower the binary size using Cargo configuration. Originally they were around 4 MB, I got them down to 0.3-0.4 MB.
Sha-256 hashes:
5fb59036556ca1c9a081662682c35bc8b648d931c6c383fe73d6baf147a072b8 makepty-freebsd-x86_64
cd976725d35d67b0f3b6ca1134e63fdd30626b53ec8e604492b8899d9a3f110d makepty-linux-static-x86_64
69453dee6679ded0a88b6fac88bb0709878fd71071b7c8417ebf0d4cfa263fa2 makepty-macos-x86_64