They do kind of have this: https://www.mercurial-scm.org/wiki/CommandServer https://www.mercurial-scm.org/wiki/CommandServer Though it looks like it's more abo

They do kind of have this: https://www.mercurial-scm.org/wiki/CommandServer https://www.mercurial-scm.org/wiki/CommandServer Though it looks like it's more about supplying a way to embed hq in a proprietary (or non-Python) application via subprocess communication rather than directly importing the GPL modules or having to string-parse responses. There doesn't seem to be provision for interacting with the server directly from the command line, which is odd, since this pattern is well established from Java land (bazel, for example).