Agent Tool Flowchart Builder

Model autonomous agent workflows as a directed graph: start, tool (with parameter templates), decision (two labeled exits), and end nodes. The builder validates reachability, requires decisions to have both exits, and distinguishes accidental cycles from intentional agent loops by requiring a max-iterations annotation on loop edges. The engine deterministically emits a Mermaid flowchart definition you can paste into documentation, plus validation findings that catch unreachable nodes, orphaned edges, and unbounded loops. Everything is computed locally — nothing about your agent design leaves your device.