cli/skills/profano/SKILL.md
CLI tool to analyze V8 .cpuprofile files and print top functions by self-time or total-time in the terminal. ALWAYS load this skill when CPU profiling JavaScript or TypeScript programs (Node, Vitest, Bun, Chrome DevTools exports) — it shows how to generate .cpuprofile files and how to inspect them from the terminal without opening Chrome DevTools.
npx skillsauth add remorses/kimaki profanoInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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profano reads V8 .cpuprofile files and prints the heaviest functions as a table sorted by self-time or total (inclusive) time.
Every time you use profano, you MUST fetch the latest README and read it in full:
curl -s https://raw.githubusercontent.com/remorses/profano/main/README.md # NEVER pipe to head/tail, read in full
The README covers generating .cpuprofile files (Node, Vitest, Bun, Chrome DevTools, browser pages via playwriter, React component profiling), all CLI options, and how to read the output columns.
development
Opinionated TypeScript npm package template for ESM packages. Enforces src→dist builds with tsc, strict TypeScript defaults, explicit exports, and publish-safe package metadata. Use this when creating or updating any npm package in this repo.
documentation
Best practices for creating a SKILL.md file. Covers file structure, frontmatter, writing style, and where to place skills in a repository. Use when the user wants to create a new skill, update an existing skill, write a SKILL.md, or asks how skills work.
documentation
Best practices for creating a SKILL.md file. Covers file structure, frontmatter, writing style, and where to place skills in a repository. Use when the user wants to create a new skill, update an existing skill, write a SKILL.md, or asks how skills work.
tools
Centralized state management pattern using Zustand vanilla stores. One immutable state atom, functional transitions via setState(), and a single subscribe() for all reactive side effects. Based on Rich Hickey's "Simple Made Easy" principles: prefer values over mutable state, derive instead of cache, centralize transitions, and push side effects to the edges. Resource co-location in the same store is also valid when lifecycle management is safer that way. Also covers state encapsulation: keeping state local to its owner (closures, plugins, factory functions) so it doesn't leak across the app, reducing the blast radius of mutations. Also covers event sourcing: keeping a bounded event buffer and deriving state with pure functions instead of mutable flags, making event handlers easy to test and reason about. Use this skill when building any stateful TypeScript application (servers, extensions, CLIs, relays) to keep state simple, testable, and easy to reason about. ALWAYS read this skill when a project uses zustand/vanilla for state management outside of React.