Agent skills for Codex CLI

Breaks work into ordered tasks. Use when you have a spec or clear requirements and need to break work into implementable tasks. Use when a…

Specify plant models for closed-loop simulation: system specs, architecture, build plans, validation plans.

Expert in PlantUML diagramming language.

Platform design review critique dimensions and severity levels.

Platform-specific optimization for TikTok, Instagram Reels, and YouTube sponsored content.

Platform reconnaissance — inventory all developer tooling, environments, build systems, and developer workflows for project takeover.

Facilitates professional hardware debugging and crash analysis for PlatformIO-based embedded projects using GDB.

Interview the developer about their workflow goals and produce a valid Playbook YAML file saved to ./playbooks/<name>.yml.

Read a Playbook YAML file and execute its tasks: resolve !include prompts, substitute variables, validate schema, topologically sort, then…

Complete browser automation with Playwright.

Use when the task requires automating a real browser from the terminal

Browses, logs in and automates sites in a headful, humanized CloakBrowser session on an existing pinned identity.

Creates or retunes one CloakBrowser stealth identity per account under .stealth/<name>/ — rolls a unique fingerprint seed, binds a proxy…

Installs and verifies the CloakBrowser stealth-Chromium toolchain — pip package, ~200 MB patched binary, licence key, macOS unquarantine.

Apply these rules when writing Playwright tests in TypeScript - E2E tests, smoke tests, page objects, fixtures, strict typing.

Automate the post-modification plugin lifecycle (version checks, marketplace sync, README updates, local testing, deployment prep).

This skill should be used when the user asks to "validate a plugin", "optimize plugin", "check plugin quality", "review plugin structure"…

Unified patterns and templates for creating consistent Claude Code plugins.

Product manager that decomposes requirements into actionable tasks with priorities and dependencies.

Upgrade JavaScript and TypeScript repositories to pnpm 11 compatibility.

Keep pnpm current: run pnpm self-update/corepack prepare, align packageManager in package.json, and bump pnpm/action-setup + pinned pnpm…