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Agent skill

Peekaboo

by trpc-group in trpc-group/trpc-agent-go

Capture and automate macOS UI with the Peekaboo CLI. An agent skill from trpc-group/trpc-agent-go.

Apache-2.0Auto-check passed

Install Peekaboo

skills CLI
$ npx skills add trpc-group/trpc-agent-go --skill peekaboo -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install trpc-group/trpc-agent-go peekaboo --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/trpc-group/trpc-agent-go.git skills-src && mkdir -p .claude/skills && cp -r skills-src/openclaw/skills/peekaboo .claude/skills/peekaboo && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
peekaboo
GitHub stars
1.9k
Used in
19 other repos
Token cost
~1.5k tokens
SKILL.md length
364 words
Files
1
Skills in repo
47
Repo updated
First seen
Licence
Apache-2.0

At a glance

Capture and automate macOS UI with the Peekaboo CLI. An agent skill from trpc-group/trpc-agent-go.

  • SKILL.md covers Features (all CLI…, Quickstart (happy path), Common targeting parameters… and Common capture parameters, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Peekaboo is an agent skill from trpc-group/trpc-agent-go. Capture and automate macOS UI with the Peekaboo CLI.

Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It works with macOS. The repository describes itself as: A Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability. The licence is Apache-2.0.

Example prompts

  • “/peekaboo”

What it can do on your machine

Read from SKILL.md and the folder at commit 7d53a6c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Peekaboo loads about 1.5k tokens when it runs. Until then it costs about 15 tokens; SKILL.md has 364 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~15
When it runs · the whole SKILL.md, loaded when a task matches
~1.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from trpc-group/trpc-agent-go at commit 7d53a6c, republished under its Apache-2.0 licence (© trpc-group). 364 words, ~1,492 tokens.

Download SKILL.mdSave it as .claude/skills/peekaboo/SKILL.md (or your agent's skills folder).
name
peekaboo
description
Capture and automate macOS UI with the Peekaboo CLI.
homepage
https://peekaboo.boo

Peekaboo

Peekaboo is a full macOS UI automation CLI: capture/inspect screens, target UI elements, drive input, and manage apps/windows/menus. Commands share a snapshot cache and support --json/-j for scripting. Run peekaboo or peekaboo <cmd> --help for flags; peekaboo --version prints build metadata. Tip: run via polter peekaboo to ensure fresh builds.

Features (all CLI capabilities, excluding agent/MCP)

Core

  • bridge: inspect Peekaboo Bridge host connectivity
  • capture: live capture or video ingest + frame extraction
  • clean: prune snapshot cache and temp files
  • config: init/show/edit/validate, providers, models, credentials
  • image: capture screenshots (screen/window/menu bar regions)
  • learn: print the full agent guide + tool catalog
  • list: apps, windows, screens, menubar, permissions
  • permissions: check Screen Recording/Accessibility status
  • run: execute .peekaboo.json scripts
  • sleep: pause execution for a duration
  • tools: list available tools with filtering/display options

Interaction

  • click: target by ID/query/coords with smart waits
  • drag: drag & drop across elements/coords/Dock
  • hotkey: modifier combos like cmd,shift,t
  • move: cursor positioning with optional smoothing
  • paste: set clipboard -> paste -> restore
  • press: special-key sequences with repeats
  • scroll: directional scrolling (targeted + smooth)
  • swipe: gesture-style drags between targets
  • type: text + control keys (--clear, delays)

System

  • app: launch/quit/relaunch/hide/unhide/switch/list apps
  • clipboard: read/write clipboard (text/images/files)
  • dialog: click/input/file/dismiss/list system dialogs
  • dock: launch/right-click/hide/show/list Dock items
  • menu: click/list application menus + menu extras
  • menubar: list/click status bar items
  • open: enhanced open with app targeting + JSON payloads
  • space: list/switch/move-window (Spaces)
  • visualizer: exercise Peekaboo visual feedback animations
  • window: close/minimize/maximize/move/resize/focus/list

Vision

  • see: annotated UI maps, snapshot IDs, optional analysis

Global runtime flags

  • --json/-j, --verbose/-v, --log-level <level>
  • --no-remote, --bridge-socket <path>
Show full SKILL.md (123 more words)Show less

Quickstart (happy path)

bash
peekaboo permissions
peekaboo list apps --json
peekaboo see --annotate --path /tmp/peekaboo-see.png
peekaboo click --on B1
peekaboo type "Hello" --return

Common targeting parameters (most interaction commands)

  • App/window: --app, --pid, --window-title, --window-id, --window-index
  • Snapshot targeting: --snapshot (ID from see; defaults to latest)
  • Element/coords: --on/--id (element ID), --coords x,y
  • Focus control: --no-auto-focus, --space-switch, --bring-to-current-space, --focus-timeout-seconds, --focus-retry-count

Common capture parameters

  • Output: --path, --format png|jpg, --retina
  • Targeting: --mode screen|window|frontmost, --screen-index, --window-title, --window-id
  • Analysis: --analyze "prompt", --annotate
  • Capture engine: --capture-engine auto|classic|cg|modern|sckit

Common motion/typing parameters

  • Timing: --duration (drag/swipe), --steps, --delay (type/scroll/press)
  • Human-ish movement: --profile human|linear, --wpm (typing)
  • Scroll: --direction up|down|left|right, --amount <ticks>, --smooth

Examples

See -> click -> type (most reliable flow)
bash
peekaboo see --app Safari --window-title "Login" --annotate --path /tmp/see.png
peekaboo click --on B3 --app Safari
peekaboo type "user@example.com" --app Safari
peekaboo press tab --count 1 --app Safari
peekaboo type "supersecret" --app Safari --return
Target by window id
bash
peekaboo list windows --app "Visual Studio Code" --json
peekaboo click --window-id 12345 --coords 120,160
peekaboo type "Hello from Peekaboo" --window-id 12345
Capture screenshots + analyze
bash
peekaboo image --mode screen --screen-index 0 --retina --path /tmp/screen.png
peekaboo image --app Safari --window-title "Dashboard" --analyze "Summarize KPIs"
peekaboo see --mode screen --screen-index 0 --analyze "Summarize the dashboard"
Live capture (motion-aware)
bash
peekaboo capture live --mode region --region 100,100,800,600 --duration 30 \
  --active-fps 8 --idle-fps 2 --highlight-changes --path /tmp/capture
App + window management
bash
peekaboo app launch "Safari" --open https://example.com
peekaboo window focus --app Safari --window-title "Example"
peekaboo window set-bounds --app Safari --x 50 --y 50 --width 1200 --height 800
peekaboo app quit --app Safari
Menus, menubar, dock
bash
peekaboo menu click --app Safari --item "New Window"
peekaboo menu click --app TextEdit --path "Format > Font > Show Fonts"
peekaboo menu click-extra --title "WiFi"
peekaboo dock launch Safari
peekaboo menubar list --json
Mouse + gesture input
bash
peekaboo move 500,300 --smooth
peekaboo drag --from B1 --to T2
peekaboo swipe --from-coords 100,500 --to-coords 100,200 --duration 800
peekaboo scroll --direction down --amount 6 --smooth
Keyboard input
bash
peekaboo hotkey --keys "cmd,shift,t"
peekaboo press escape
peekaboo type "Line 1\nLine 2" --delay 10

Notes

  • Requires Screen Recording + Accessibility permissions.
  • Use peekaboo see --annotate to identify targets before clicking.

© trpc-group, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in openclaw/skills/peekaboo of trpc-group/trpc-agent-go.

Open the folder on GitHubat commit 7d53a6c

Used in 19 other repositories

We found 21 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 19 other GitHub owners. This page covers the copy in trpc-group/trpc-agent-go, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Peekaboo next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Peekaboo compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Peekaboo this skilltrpc-group/trpc-agent-go1.9k19 repos~1.5kAutomated safety check: PassApache-2.0
Site ArchitectureAvdLee/RocketSimApp80411 repos~3.3kAutomated safety check: PassCustom licence
Engine Whats Newflutter/flutter179k—~978Automated safety check: PassBSD-3-Clause
macOS Spm App PackagingDimillian/Skills4k5 repos~1.2kAutomated safety check: PassMIT
Openclaw Live Updateropenclaw/openclaw392k—~3.7kAutomated safety check: PassMIT
Orca iOS Simulator Controlstablyai/orca88k1 repos~584Automated safety check: PassApache-2.0

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Works with

Questions about Peekaboo

What does Peekaboo do?

Capture and automate macOS UI with the Peekaboo CLI. An agent skill from trpc-group/trpc-agent-go. Peekaboo is an agent skill from trpc-group/trpc-agent-go. Capture and automate macOS UI with the Peekaboo CLI.

How do I install Peekaboo in Claude Code?

Run `npx skills add trpc-group/trpc-agent-go --skill peekaboo -a claude-code`. Or copy the skill folder (openclaw/skills/peekaboo in trpc-group/trpc-agent-go) into .claude/skills/peekaboo in your project. Claude Code loads it when a task matches its description.

How do I install Peekaboo in Codex?

Run `npx skills add trpc-group/trpc-agent-go --skill peekaboo -a codex`. Or copy the skill folder (openclaw/skills/peekaboo in trpc-group/trpc-agent-go) into .agents/skills/peekaboo in your project. Codex loads it when a task matches its description.

Can I use Peekaboo in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add trpc-group/trpc-agent-go --skill peekaboo -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/peekaboo, .gemini/skills/peekaboo, .github/skills/peekaboo and .opencode/skills/peekaboo in your project.

What does Peekaboo need to run?

SKILL.md names no scripts, command-line tools or credentials: Peekaboo is instructions for the agent only.

Does Peekaboo access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Peekaboo safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Peekaboo use?

Peekaboo is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Peekaboo use?

About 1.5k tokens (SKILL.md is roughly 6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Peekaboo?

Skills that share tags, products or a category with Peekaboo: Site Architecture (AvdLee/RocketSimApp, 804 stars), Engine Whats New (flutter/flutter, 179k stars), macOS Spm App Packaging (Dimillian/Skills, 4k stars) and Openclaw Live Updater (openclaw/openclaw, 392k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Peekaboo?

trpc-group (a GitHub organization) maintains it in trpc-group/trpc-agent-go, which has 1,853 GitHub stars. The repository holds 47 skills in this directory. The repository was last updated on October 9, 2026.

Source: trpc-group/trpc-agent-go on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.