Agent skills for ChatGPT

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

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

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

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

Record browser interactions as video using Playwright.

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

Generates and updates comprehensive Playwright web test plans based on development requirements and screen specifications.

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.

plotnine static visualization (ggplot2 syntax for Python).

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.

Asset pipeline optimization, compression, streaming, and resource management for efficient game development and delivery.

Create, publish, delete, and submit plugins for coding agents (Claude Code, OpenCode).

Keep code alive when its dependencies misbehave — timeouts on every remote call, circuit breakers, bulkheads, bounded pools and queries…

Optimize AgentDB performance with quantization (4-32x memory reduction), HNSW indexing (150x faster search), caching, and batch operations.

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration.

Automate browser interactions for web testing, form filling, screenshots, and data extraction.

Diagnose and fix Claude in Chrome MCP extension connectivity issues.

Project management with PDCA cycles, confidence checks, and context persistence.