Crypto Protocol Diagram Produces a Mermaid (written to file) and an ASCII sequence diagram (printed inline) from either: - Source code implementing a cryptographic protocol, or - A specification — RFC, academic paper, pseudocode, informal prose, ProVerif ( ), or Tamarin ( ) model. Tools used: Read, Write, Grep, Glob, Bash, WebFetch (for URL specs). Unlike the skill (which visualizes code structure), this skill extracts protocol semantics : who sends what to whom, what cryptographic transformations occur at each step, and what protocol phases exist. For call graphs, class hierarchies, or modul…