Are there any library helpers for managing this with tool call support or is it just closed source / dependent on someone else to make open source inside a different library?
LMStudio has an API, so it should be possible to hook into that with relatively little code.
There's a lotta potemkin villages, particularly in Google land. Gemini needed highly specific handholding. It's mostly cleared up now.
In all seriousness, more or less miraculously, the final Gemini stable release went from like 20%-30% success at JSON edits to 80%-90%, so you could stop doing the parsing Aider edits out of prose.
If you really want a library, python has litellm, and typescript has vercel’s AI library. I am sure there are many others, and in other languages too.