01/** Create new skills, modify and improve existing skills, and measure skill performance.

02 Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

01/** Academic paper search, citation analysis, open-access PDF judgment, and structured metadata extraction.

02 Use when searching papers, doing literature review/systematic review, getting citation counts, exporting BibTeX, finding papers by author, checking open-access PDF availability, or working with arXiv, Semantic Scholar, OpenAlex, Crossref, Unpaywall, PubMed, Google Scholar, ACM DL, IEEE Xplore, Papers with Code, CNKI, and related sources.