I didn't set out to build a sustainability tool...

...but only seven weeks in, we've accidentally saved enough electricity to power roughly 65 American households for a year, and enough avoided CO₂ to take 64 gasoline cars off the road. I set out to fix a dumb problem: LLM coding agents load entire files into their context window to answer questions about single functions. That's expensive in dollars, it's slow, and it pollutes the context with junk the model doesn't need. So I wrote jCodeMunch, an MCP server that returns only the symbol, slice,