Agent skills for Codex CLI

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

Playtest / alpha-reader skill for the Book of Challenges manuscript.

Complete browser automation with Playwright.

Use when writing E2E tests with Playwright, setting up test infrastructure, or debugging flaky browser tests.

This skill should be used when the user asks to "debug the electron app", "connect playwright to VoiceTree", "take screenshots of the…

Use playwright-cli to capture full-page screenshots, navigate complex flows, run Lighthouse audits, and test responsive design without…

Stagehand + Playwright browser automation — Code Mode architecture: write complete scripts, execute in isolation, return structured results.

Records a browsing task as a committed Python job on a stealth identity, then replays it with no model in the loop — lint-gated…

Write a playwright test, make sure it runs, and is not flaky.

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

Record browser interactions as video using Playwright.

Browser automation, visual testing, and screenshot validation using Playwright MCP server for accelerated web development.

Control the user own Chrome browser via Playwriter extension with Playwright code snippets in a stateful local js sandbox.

Use when drafting a PLDI author response inside the short February window — triaging reviewer objections about soundness, baselines, and…

PLG motion design — free tier definition, activation sequence, expansion trigger points, viral mechanic assessment.

PLINK file formats, format conversion, and quality control filtering for population genetics.

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

Plugin release process for MAG Claude Plugins marketplace.

This skill should be used when the user asks about "plugin settings", "store plugin configuration", "user-configurable plugin", ".local.md…

This skill should be used when the user asks to "create a plugin", "scaffold a plugin", "understand plugin structure", "organize plugin…

Synchronizes and diagnoses local agent plugin states across Codex and Claude with safe marketplace and CLI delegation.