Benchmark Testing

Benchmark Testing

Create isolated test projects that exercise vercel-plugin skill injection with realistic, technology-agnostic prompts.

Workflow

1. Create test directories

BASE=~/dev/vercel-plugin-testing
mkdir -p "$BASE"/{01-slug,02-slug,...}

2. Install the plugin in each directory

for dir in "$BASE"/*/; do
  echo "=== $(basename "$dir") ==="
  cd "$dir" && npx add-plugin https://github.com/vercel/vercel-plugin -s project -y 2>&1 | tail -1
done

This creates .claude/settings.json with enabledPlugins in each directory.

3. Launch Claude Code in WezTerm panes

Critical details that must all be followed:

• Use --cwd <absolute-path> to set the working directory
• Use unset CLAUDECODE before x to avoid nested-session errors
• Use --settings .claude/settings.json (not --settings project) to load the plugin
• Use double quotes on the outer -ic string, single quotes around the prompt
• Wait 10 seconds between each launch to avoid overwhelming the system
• Always use spawn (new tabs) — split-pane runs out of space after ~4 panes

Working command template:

wezterm cli spawn --cwd /absolute/path/to/test-dir -- /bin/zsh -ic "unset CLAUDECODE; x 'YOUR PROMPT HERE. Link the project to my vercel-labs team so we can deploy it later.' --settings .claude/settings.json; exec zsh"

Prompt Guidelines

• Never name specific technologies (no "Next.js", "Stripe", "Vercel KV", etc.)
• Describe the *product* and *features* — let the plugin infer which skills to inject
• Make prompts ambitious and multi-featured to exercise multiple skill triggers
• Always append: "Link the project to my vercel-labs team so we can deploy it later."

Example prompts

| Slug | Prompt | Expected skills |

|------|--------|----------------|

| recipe-platform | "Build a recipe sharing platform where users sign up, upload photos of their dishes, write ingredients and steps, and browse a feed with infinite scroll..." | auth, vercel-storage, nextjs |

| trivia-game | "Create a multiplayer trivia game where players join a room with a 6-letter code, answer questions in real-time with a 15-second countdown..." | vercel-storage, nextjs |

| code-review-bot | "Build an AI-powered code review dashboard with webhook API routes, LLM streaming analysis, and stats over time..." | ai-sdk, nextjs |

| conference-tickets | "Create a conference ticketing system with tiered checkout, QR code emails, admin panel, and payment webhook handling..." | payments, email, auth |

| content-aggregator | "Build a content aggregator with hourly scheduled RSS fetching, LLM summaries, category filters, and bookmarks..." | cron-jobs, ai-sdk |

| finance-tracker | "Build a personal finance tracker with bank connection, spending charts, and weekly email digest via scheduled job..." | cron-jobs, email |

| multi-tenant-blog | "Create a multi-tenant blog where each user gets a subdomain, with request-level routing, headless content API, and role-based auth..." | routing-middleware, cms, auth |

| status-page | "Build a SaaS status page with scheduled endpoint pinging, uptime charts, incident logging, and KV-stored history..." | cron-jobs, vercel-storage, observability |

| dog-walking-saas | "Build a dog walking SaaS with user accounts, pet photos, booking, monthly invoicing, admin dashboard, and separate dev/prod env configs..." | payments, auth, vercel-storage, env-vars |

Cleanup

rm -rf ~/dev/vercel-plugin-testing