Prompt Cards

Create a CLI to fetch and print cert chain, SANs, expiry, and weak ciphers. Flags: --host, --port 443, --days-left, --json. Use openssl/PowerShell .NET SslStream fallback. Exit nonzero if expiring soon.

Implement a rate-limited TCP port scanner with banner grab (when legal). Flags: --target, --ports 1-1024, --safe, --top100, --timeout. Print risk warnings and logging. Use Test-NetConnection/nc/nmap if present.

Write a CLI that shows SSID, RSSI, channel, noise, and recommendations (move channel, 20/40MHz). Use airport/wlan show/netsh/Wi-Fi tools per OS. Output --report markdown with action tips.

Ship a client/server CLI for iperf3-style tests with auto-download/setup hints. Provide --mode {server,client}, --time, --parallel, --port, and pretty throughput charts. Include NAT/firewall notes for Windows 11.

Build a friendly wrapper around ping/traceroute/mtr/Test-NetConnection. Output median/95p latency, hop loss, and route diffs. Flags: --host, --count, --resolve, --save report.md. Add ICMP permission guidance.

Create a CLI that lists largest folders/files with depth control and excludes paths. Support --top 50, --min-size, --csv, --json, and --graph (ASCII treemap). Implement du/PowerShell fallbacks and symlink-safe traversal.

Design a cross-platform CLI that shows CPU/RAM/disk/net in one TUI. Auto-detect OS (Linux/macOS/Windows 11 PowerShell), sample every N seconds, and render sparklines. Provide --json, --once, --interval flags and color-safe output. Include install notes (htop/psutil fallback) and examples.

You are a language coach. Provide essential phrases (greetings, ordering, trains), keigo-lite polite patterns, and gesture etiquette. Include romaji + kana versions and audio practice suggestions.

Act as a craft guide. Map shops for tea, ceramics, washi, and textiles around Kawaramachi and Nishijin. Add packing & shipping tips and tax-free claims.

You are a taste tester. Design a side-by-side tasting route for classic Osaka snacks, explain regional styles, and add hidden-gem counters with standing-only etiquette.

Act as an evening planner. Craft a sunset-to-night harbor walk: Osanbashi pier, Minato Mirai ferris wheel, seaside dinner. Add tripod tips and last-train timing.

You are a photo stylist. Plan a gentle route for kimono rental + photos (Kyoto Gion/Higashiyama; Yokohama Yamate). Add posing tips and weather backups.