Skills and Tools

Use this playbook when setting up/adjusting skills and external tooling.

Recommended Skills

Context7 (library docs)

For up-to-date docs on libraries.

npx skills add https://github.com/intellectronica/agent-skills --skill context7

Vercel React Best Practices

For deeper React/Next performance guidance.

npx skills add https://github.com/vercel-labs/agent-skills --skill vercel-react-best-practices

Find Skills

Discover/install skills from the open ecosystem.

npx skills add https://github.com/vercel-labs/skills --skill find-skills

Playwright CLI

Use playwright-cli for browser automation (navigation, interaction, screenshots, tests, extraction).

Default to a fresh isolated browser session for normal verification. If the task depends on the contributor's existing browser state, ask whether they want:

a fresh isolated playwright-cli session
their current browser session reused

Do not attach to a live personal browser session without explicit confirmation.

When using playwright-cli for repo UI verification, run the relevant flow in all three main browser engines:

chrome for Blink
firefox for Gecko
webkit for Safari/WebKit coverage

Use separate named sessions per engine so results stay isolated. If an engine is intentionally skipped, record why.

npm install -g @playwright/cli@latest
playwright-cli install --skills

Skill install locations:

.codex/skills/playwright-cli/
.cursor/skills/playwright-cli/
.claude/skills/playwright-cli/

MCP Policy Rationale

Avoid GitHub MCP and browser MCP servers for this project because they add significant tool-schema/context overhead.

GitHub operations: use gh CLI.
Browser operations: use playwright-cli.
If current browser reuse is needed, keep using Playwright-based attach paths rather than browser MCP servers.

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