# Sounio Lang Sounio Sounio Stdlib Dev > Sounio Stdlib Dev - Skill: `tomevault-io/sounio-lang-sounio-sounio-stdlib-dev` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/sounio-lang-sounio-sounio-stdlib-dev` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/sounio-lang-sounio-sounio-stdlib-dev/raw - Safety review: pending (external: skill-scanner PASS, skillspector PASS) - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/sounio-lang-sounio-sounio-stdlib-dev --- # Sounio Stdlib Dev ## Overview Make focused, idiomatic changes to the Sounio standard library and keep the repo’s stdlib reference accurate. ## Workflow ### 1) Find the right module and baseline - Start from `STDLIB_REFERENCE.md` to understand intended module status and scope. - Mirror patterns from the module’s existing files before introducing new idioms. ### 2) Keep Sounio syntax consistent - Prefer canonical syntax rules from `CLAUDE.md` and `docs/LLM_PROGRAMMING_GUIDE.md`. - If the compiler does not support a feature yet, avoid using it in stdlib unless it is explicitly “parser-only”. ### 3) Add tests where possible - Add a small regression in `tests/run-pass/` or module-local tests if the project uses them. - Keep doc examples either compilable or clearly marked aspirational. ## References - Stdlib map: `references/stdlib-navigation.md` --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/sounio-lang) — claim your Tome and manage your conversions.