The standard library simple_rpc package implements a simple facility to do remote-procedure-call style interaction between Mythryl threads. (This has nothing to do with posix threads, posix interprocess communication or computations distributed over the Internet.)
The simple_rpc package implements the Simple_Rpc API.
The simple_rpc package source code is in src/lib/src/lib/thread-kit/src/lib/simple-rpc.pkg.
The above information is manually maintained and may contain errors.