
Host security hardening and risk-tolerance guidance for Understudy deployments. Use when a user asks for security audits, firewall/SSH/update hardening, exposure review, or recurring checks on a machine running Understudy.
Manage Things 3 via the `things` CLI on macOS (add/update projects+todos via URL scheme; read/search/list from the local Things database). Use when a user asks Understudy to add a task to Things, list inbox/today/upcoming, search tasks, or inspect projects/areas/tags.
Generate spectrograms and feature-panel visualizations from audio with the songsee CLI.
Get current weather and forecasts via wttr.in or Open-Meteo. Use when: user asks about weather, temperature, or forecasts for any location. NOT for: historical weather data, severe weather alerts, or detailed meteorological analysis. No API key needed.
Single-stage acceptance playbook for the baseline context phase.
Manage Apple Notes via the `memo` CLI on macOS (create, view, edit, delete, search, move, and export notes). Use when a user asks Understudy to add a note, list notes, search notes, or manage note folders.
Monitor blogs and RSS/Atom feeds for updates using the blogwatcher CLI.
Manage Apple Reminders via remindctl CLI (list, add, edit, complete, delete). Supports lists, date filters, and JSON/plain output.
Prepare the delivery preview payload from the generated assets.
Render polished cover and summary-card image assets for the brief package.
Discord messaging via `message_send` (channel=discord). Use for outbound sends, replies, edits, reactions, deletes, and attachment sends on Discord.
Capture frames or clips from RTSP/ONVIF cameras.
Use CodexBar CLI local cost usage to summarize per-model usage for Codex or Claude, including the current (most recent) model or a full model breakdown. Trigger when asked for model-level usage/cost data from codexbar, or when you need a scriptable per-model summary from codexbar cost JSON.
Gemini CLI for one-shot Q&A, summaries, and generation.
GitHub operations via `gh` CLI: issues, PRs, CI runs, code review, API queries. Use when: (1) checking PR status or CI, (2) creating/commenting on issues, (3) listing/filtering PRs or issues, (4) viewing run logs. NOT for: complex web UI interactions requiring manual browser flows (use browser tooling when available), bulk operations across many repos (script with gh api), or when gh auth is not configured.
Edit PDFs with natural-language instructions using the nano-pdf CLI.
Batch-generate images via OpenAI Images API. Random prompt sampler + `index.html` gallery.
Control Philips Hue lights and scenes via the OpenHue CLI.
Local speech-to-text with the Whisper CLI (no API key).
Foodora-only CLI for checking past orders and active order status (Deliveroo WIP).
Create, edit, improve, review, audit, or clean up AgentSkills. Use when creating a new skill from scratch or when asked to improve, review, audit, tidy up, or restructure an existing skill or SKILL.md file. Also use when editing a skill directory, moving content into scripts/ or references/, or validating against the AgentSkills spec.
Local text-to-speech via sherpa-onnx (offline, no cloud)
Use when you need to control Slack from Understudy via the slack tool, including reacting to messages or pinning/unpinning items in Slack channels or DMs.
Set up and use 1Password CLI (op). Use when installing the CLI, enabling desktop app integration, signing in (single or multi-account), or reading/injecting/running secrets via op.
Create, search, and manage Bear notes via grizzly CLI.
BluOS CLI (blu) for discovery, playback, grouping, and volume.
Delegate coding tasks to Codex, Claude Code, or Pi agents via background process. Use when: (1) building/creating new features or apps, (2) reviewing PRs (spawn in temp dir), (3) refactoring large codebases, (4) iterative coding that needs file exploration. NOT for: simple one-liner fixes (just edit), reading code (use read tool), thread-bound ACP harness requests in chat (for example spawn/run Codex or Claude Code in a Discord thread; use sessions_spawn with runtime:"acp"), or any work in a live Understudy deployment/workspace (never spawn agents there). Claude Code: use --print --permission-mode bypassPermissions (no PTY). Codex/Pi/OpenCode: pty:true required.
Collect the baseline context bundle for the selected target.
Compose the final draft summary video from the generated assets and brief.
Control Eight Sleep pods (status, temperature, alarms, schedules).
Goal-driven worker for exploring an unfamiliar target.
Fetch GitHub issues, spawn sub-agents to implement fixes and open PRs, then monitor and address PR review comments. Usage: /gh-issues [owner/repo] [--label bug] [--limit 5] [--milestone v1.0] [--assignee @me] [--fork user/repo] [--watch] [--interval 5] [--reviews-only] [--cron] [--dry-run] [--model glm-5] [--notify-channel -1002381931352]
Search GIF providers with CLI/TUI, download results, and extract stills/sheets.
Google Workspace CLI for Gmail, Calendar, Drive, Contacts, Sheets, and Docs.
Query Google Places API (New) via the goplaces CLI for text search, place details, resolve, and reviews. Use for human-friendly place lookup or JSON output for scripts.
CLI to manage emails via IMAP/SMTP. Use `himalaya` to list, read, write, reply, forward, search, and organize emails from the terminal. Supports multiple accounts and message composition with MML (MIME Meta Language).
iMessage/SMS CLI for listing chats, history, and sending messages via Messages.app.
Transcribe audio via OpenAI Audio Transcriptions API (Whisper).
Use the mcporter CLI to list, configure, auth, and call MCP servers/tools directly (HTTP or stdio), including ad-hoc servers, config edits, and CLI/type generation.
Generate or edit images via Gemini 3 Pro Image (Nano Banana Pro).
Best practices for using the oracle CLI (prompt + file bundling, engines, sessions, and file attachment patterns).
Notion API for creating and managing pages, databases, and blocks.
Work with Obsidian vaults (plain Markdown notes) and automate via obsidian-cli.
Capture and automate macOS UI with the Peekaboo CLI.
Terminal Spotify playback/search via spogo (preferred) or spotify_player.
Research current topics with multiple sources and produce a structured brief, comparison, recommendation, or fact-check. Use when the user asks for investigation, market/product landscape scans, option evaluation, due diligence, source-backed validation, or a research report. Do not use for summarizing a single provided URL/document, or for GitHub issue/PR operations.
ElevenLabs text-to-speech with mac-style say UX.
Control Sonos speakers (discover/status/play/volume/group).
Summarize or extract text/transcripts from URLs, podcasts, and local files (great fallback for “transcribe this YouTube/video”).
Turn context findings into a summary packet and short brief.
Hand-written end-to-end playbook for a reusable target brief workflow.
Produce a background-removed portrait image for a requested person and send it through Telegram. Primary surface: Google Chrome, Pixelmator Pro, Telegram. Inputs: Person or image search query, Telegram recipient/chat, Optional existing image file.... Trigger cues: Google Chrome Search | Google Chrome Person or image search query, Telegram recipient/chat, Optional existing image... | Produce a background-removed portrait image for a requested person and send it through Telegram.
Remote-control tmux sessions for interactive CLIs by sending keystrokes and scraping pane output.
Manage Trello boards, lists, and cards via the Trello REST API.
Extract frames or short clips from videos using ffmpeg.
Send WhatsApp messages to other people or search/sync WhatsApp history via the wacli CLI (not for normal user chats).
A CLI tool for making authenticated requests to the X (Twitter) API. Use this skill when you need to post tweets, reply, quote, search, read posts, manage followers, send DMs, upload media, or interact with any X API v2 endpoint.