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Official agent skill

Snap O Tweaks

by openai in openai/snap-o

Inspect, stream, and explicitly adjust live Android UI tweak values or invoke app-owned actions through Snap-O.

OfficialApache-2.0Auto-check passedMobile

Install Snap O Tweaks

skills CLI
$ npx skills add openai/snap-o --skill snap-o-tweaks -a claude-code

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

GitHub CLI
$ gh skill install openai/snap-o snap-o-tweaks --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/openai/snap-o.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/snap-o-tweaks .claude/skills/snap-o-tweaks && 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
snap-o-tweaks
GitHub stars
114
Token cost
~1.7k tokens
SKILL.md length
732 words
Files
5 (incl. scripts, references)
Skills in repo
2
Repo updated
First seen
Licence
Apache-2.0

At a glance

Inspect, stream, and explicitly adjust live Android UI tweak values or invoke app-owned actions through Snap-O.

  • Works in 4 steps: Discover running tweak-enabled apps → Select the device and, when multiple app… → Include ordinary or app-owned tweaks the… → …
  • A request mentions Snap-O Tweaks
  • SKILL.md covers Choose the interaction surface, Resolve the Tweaks CLI, Discover and inspect and Change values only when…, plus 2 more sections
  • Tweak-enabled Android apps

What it does

Snap O Tweaks is an agent skill from openai/snap-o, published by the product's own GitHub organization. Inspect, stream, and explicitly adjust live Android UI tweak values or invoke app-owned actions through Snap-O. Use when a request mentions Snap-O Tweaks, tweak-enabled Android apps, runtime UI parameters, Compose tweak or action controls, tweak discovery, previously adjusted or currently inactive tweaks, applying all user-made tweak changes, typed values, defaults or resets, tweak batches, explicitly registered actions, the Tweaks REST/SSE API, or selecting between CLI, macOS tool, in-app overlay, and custom…

Its SKILL.md is about 1.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including scripts and reference files (for example `agents/openai.yaml`, `references/interaction-surfaces.md` and `references/protocol.md`).

It sits in Mobile, covering Android development. It works with macOS and Android. The repository describes itself as: Lightweight Android capture developer tools for macOS. The licence is Apache-2.0.

When your agent uses it

  • A request mentions Snap-O Tweaks
  • Tweak-enabled Android apps
  • Runtime UI parameters
  • Action controls

Example prompts

  • “/snap-o-tweaks”

Requirements

  • Python 3

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Discover running tweak-enabled apps
  2. Select the device and, when multiple app sockets exist, the app socket
  3. Include ordinary or app-owned tweaks the user has adjusted, even when their declarations are not currently in composition
  4. Observe live complete snapshots

What it can do on your machine

Read from SKILL.md and the folder at commit 64d41f2. 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

    Ships 1 file in scripts/, which the agent can run.

    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

Snap O Tweaks loads about 1.7k tokens when it runs, and up to ~6.7k if it reads all its reference files. Until then it costs about 137 tokens; SKILL.md has 732 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~137
When it runs · the whole SKILL.md, loaded when a task matches
~1.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~6.7k

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); the scripts in this folder are not scanned.

SKILL.md

The full file from openai/snap-o at commit 64d41f2, republished under its Apache-2.0 licence (© openai). 732 words, ~1,740 tokens.

Download SKILL.mdSave it as .claude/skills/snap-o-tweaks/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.
name
snap-o-tweaks
description
Inspect, stream, and explicitly adjust live Android UI tweak values or invoke app-owned actions through Snap-O. Use when a request mentions Snap-O Tweaks, tweak-enabled Android apps, runtime UI parameters, Compose tweak or action controls, tweak discovery, previously adjusted or currently inactive tweaks, applying all user-made tweak changes, typed values, defaults or resets, tweak batches, explicitly registered actions, the Tweaks REST/SSE API, or selecting between CLI, macOS tool, in-app overlay, and custom tweak interfaces.

Snap-O Tweaks

Inspect live values and app-owned actions exposed by a debug-enabled Android app. Discovery, reads, and streams are read-only; change or reset values, or invoke an action, only when explicitly requested. Reset everything only when explicitly requested.

Choose the interaction surface

  • Agents, shells, automation, or CI: Default to the snapo-tweaks CLI; it requires only Python 3 and Android Platform Tools on macOS or Linux.
  • Direct integration: Use REST and server-sent events. See references/protocol.md for ADB forwarding, endpoints, typed values, batched updates, and streaming.
  • Desktop inspection: Use Snap-O's macOS Tweaks tool.
  • In-app controls: Integrate SnapOTweakOverlay.
  • Custom interfaces: Build a browser, native, or Compose UI; browsers require a same-origin proxy.

Read references/interaction-surfaces.md for desktop, overlay, release/no-op, and custom-interface integration.

Resolve the Tweaks CLI

Use the executable bundled with this skill:

text
scripts/snapo-tweaks

Resolve this path relative to the directory containing this SKILL.md, not the current working directory. Call the resolved path $SNAPO_BIN; if it is absent, the skill installation is incomplete.

ADB resolves from PATH, ANDROID_SDK_ROOT, or ANDROID_HOME. Use --adb <path> or SNAPO_ADB to override it; pass --adb-host <host> and --adb-port <port> together for a remote ADB server.

Listings use ADB process and package information without contacting the app. JSON rows contain pid, processName, and packageName; unresolved identity fields are null. Friendly app labels and icons are not loaded.

Discover and inspect

  1. Discover running tweak-enabled apps:

    bash
    "$SNAPO_BIN" apps --json

  2. Select the device and, when multiple app sockets exist, the app socket:

    bash
    "$SNAPO_BIN" list -s <serial> -n <socket> --json
"$SNAPO_BIN" get 'Typography/Font size' -s <serial> -n <socket> --json

    Select devices with -s <serial>, -d (USB), or -e (emulator). Use -n <socket> for every subcommand except apps when selection is ambiguous.

  3. Include ordinary or app-owned tweaks the user has adjusted, even when their declarations are not currently in composition:

    bash
    "$SNAPO_BIN" list --all -s <serial> -n <socket> --json
"$SNAPO_BIN" get 'Typography/Font size' --all -s <serial> -n <socket> --json

    The expanded list combines current tweaks and actions with retained snapshots of previously adjusted ordinary or app-owned tweaks. App-owned history preserves the effective value and modification status, not the source, callbacks, or observers. Use "modified": true to identify outstanding changes; a missing field always means false, even when value differs from default. Actions never include modified. Separate screens can reuse tweak names with different declarations; preserve every descriptor from list --all instead of deduplicating by name. get NAME --all reports an error when multiple declarations match; use list --all --json to inspect them. Historical tweaks can be inspected while inactive, but can only be changed or reset when their declaration is active. Actions are active-only.

  4. Observe live complete snapshots:

    bash
    "$SNAPO_BIN" watch -s <serial> -n <socket> --json
"$SNAPO_BIN" watch -s <serial> -n <socket> --once --json

    --once exits after the first complete snapshot. --json emits newline-delimited JSON; list and watch emit complete tweak and action snapshots. Event streams contain only currently active declarations; use list --all for historical value adjustments.

Show full SKILL.md (300 more words)Show less

Change values only when requested

Inspect the descriptor first: the CLI parses int, float, boolean, color, string, enum, and bezier according to their declared types. Enum descriptors include an ordered list of enum names in options; use an exact option name when setting one. Quote names containing spaces or /, string values containing spaces, and hex colors.

bash
"$SNAPO_BIN" set 'Typography/Font size' 42 -s <serial> -n <socket>
"$SNAPO_BIN" set 'Motion/Show' false -s <serial> -n <socket>
"$SNAPO_BIN" set 'Colors/Accent' '#3B82F6' -s <serial> -n <socket>
"$SNAPO_BIN" set 'Appearance/Theme' Dark -s <serial> -n <socket>

Successful updates and resets produce no output.

Reset only the explicitly requested value, or use --all only when the user explicitly requests resetting every modified tweak:

bash
"$SNAPO_BIN" reset 'Typography/Font size' -s <serial> -n <socket>
"$SNAPO_BIN" reset --all -s <serial> -n <socket>

Invoke actions only when requested

Apps declare actions with the TweakAction(name) { ... } composable, imported from com.openai.snapo.tweaks.TweakAction. The declaration returns Unit, registers its callback only while the owner remains in composition, and does not execute the callback during composition. Actions have "type":"action", no value, and no default. Invoke an action only when the user explicitly requests its app-defined behavior:

bash
"$SNAPO_BIN" action 'Preview/Refresh visible content' -s <serial> -n <socket>

The action command sends the registered name exactly as provided and does not accept arguments or execute arbitrary code. A descriptor marked "conflicted":true has multiple live owners and cannot be invoked; report the server's conflict and ask the app owner to register the shared action once or choose explicit, stable, unique names. Do not deduplicate callbacks or invent numeric suffixes. Reset-all ignores actions.

Availability and failures

Tweaks use app-local snapo_tweaks_<pid> sockets and normally exist only in debug-enabled apps. If no socket appears, check device authorization and selection, whether the app is running, its live Tweaks dependency/integration, debug/runtime policy, and server startup. If a socket exists but /tweaks is empty, the current Compose UI has no active tweak declarations; list --all can still return retained adjustments. Adjustment history lasts only for the current Android app process. Do not enable release servers or modify apps or dependencies without an explicit request. Preserve validation errors; the CLI cleans up its own temporary ADB forwards.

© openai, 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

SKILL.md and 4 other files (scripts, references) in skills/snap-o-tweaks of openai/snap-o.

  • SKILL.md
  • agents/openai.yaml
  • references/interaction-surfaces.md
  • references/protocol.md
  • scripts/snapo-tweaks

Open the folder on GitHubat commit 64d41f2

Compare with similar skills

Snap O Tweaks 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.

Snap O Tweaks compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Snap O Tweaks this skillopenai/snap-o114—~1.7kAutomated safety check: PassApache-2.0
Updating Android SDKflutter/flutter179k—~1.7kAutomated safety check: PassBSD-3-Clause
Jetpack Composedarriousliu/PiPixiv263—~1.5kAutomated safety check: PassApache-2.0
Ksafeioannisa/KSafe338—~17kAutomated safety check: PassApache-2.0
Authorized Android Phone ControlCore-Mate/OpenGUI1.8k—~762Automated safety check: PassCustom licence
Xcodebuildmcp CLIc5inco/compose-pokedexer143—~415Automated safety check: PassMIT

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Works with

Categories

Questions about Snap O Tweaks

What does Snap O Tweaks do?

Inspect, stream, and explicitly adjust live Android UI tweak values or invoke app-owned actions through Snap-O. Snap O Tweaks is an agent skill from openai/snap-o, published by the product's own GitHub organization. Inspect, stream, and explicitly adjust live Android UI tweak values or invoke app-owned actions through Snap-O.

When should I use Snap O Tweaks?

Snap O Tweaks fits situations like: A request mentions Snap-O Tweaks; tweak-enabled Android apps; runtime UI parameters; action controls.

How do I install Snap O Tweaks in Claude Code?

Run `npx skills add openai/snap-o --skill snap-o-tweaks -a claude-code`. Or copy the skill folder (skills/snap-o-tweaks in openai/snap-o) into .claude/skills/snap-o-tweaks in your project. Claude Code loads it when a task matches its description.

How do I install Snap O Tweaks in Codex?

Run `npx skills add openai/snap-o --skill snap-o-tweaks -a codex`. Or copy the skill folder (skills/snap-o-tweaks in openai/snap-o) into .agents/skills/snap-o-tweaks in your project. Codex loads it when a task matches its description.

Can I use Snap O Tweaks 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 openai/snap-o --skill snap-o-tweaks -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/snap-o-tweaks, .gemini/skills/snap-o-tweaks, .github/skills/snap-o-tweaks and .opencode/skills/snap-o-tweaks in your project.

What does Snap O Tweaks need to run?

SKILL.md names no scripts, command-line tools or credentials: Snap O Tweaks is instructions for the agent only. Our summary lists: Python 3.

Does Snap O Tweaks 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 Snap O Tweaks 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Snap O Tweaks use?

Snap O Tweaks 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 Snap O Tweaks use?

About 1.7k tokens (SKILL.md is roughly 7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 4.9k tokens, read only when the agent opens those files.

What are the alternatives to Snap O Tweaks?

Skills that share tags, products or a category with Snap O Tweaks: Updating Android SDK (flutter/flutter, 179k stars), Jetpack Compose (darriousliu/PiPixiv, 263 stars), Ksafe (ioannisa/KSafe, 338 stars) and Authorized Android Phone Control (Core-Mate/OpenGUI, 1.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Snap O Tweaks?

openai (a GitHub organization, an official publisher) maintains it in openai/snap-o, which has 114 GitHub stars. The repository holds 2 skills in this directory. The repository was last updated on October 9, 2026.

Source: openai/snap-o on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.