React Native Moq

What it does

When your agent uses it

• : react-native-moq
• Media over QUIC
• UseScreenBroadcast
• UseDataMessages

Example prompts

• “react-native-moq”
• “Media over QUIC”
• “moq relay”
• “/react-native-moq”

Requirements

• Node.js

Workflow steps

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

1. 1Errors are strings, not exceptions. States are unions like 'connected' | 'error:...'; check state.startsWith('error:'). Nothing throws on…
2. 2publish() requires session.state === 'connected', otherwise the publisher goes straight to error:session is not connected. Gate the…
3. 3Gate codecs with getSupportedVideoCodecs() / getSupportedAudioCodecs(). On Android an unsupported encoder (often h265) makes publishing…
4. 4Permissions are the host app's job — request CAMERA/RECORD_AUDIO on Android, add NSCameraUsageDescription/NSMicrophoneUsageDescription on…
5. 5takes no children (the Android native view is not a ViewGroup). Render overlays as absolutely-positioned siblings.
6. 6Capture hooks are refcounted device singletons — all consumers share the physical camera/mic; flip() affects everyone. Use enabled: false…
7. 7Broadcast paths are relative to the subscription prefix (broadcast live/test appears as path: 'test' under prefix 'live'). Subscribe with…
8. 8Data tracks are not in the catalog — publisher and subscriber must agree on the track name out of band (default 'data').
9. 9An idle iOS microphone capture holds the audio session in playAndRecord and can block other audio libraries (insufficientPriority)…

What it can do on your machine

Read from SKILL.md and the folder at commit e3f00cd. 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

  Shell commands in SKILL.md call:

  • npm

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

• Network

  No URLs in SKILL.md. Its commands use npm, which can reach the network depending on how they are called.

  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

React Native Moq loads about 1.6k tokens when it runs, and up to ~5.7k if it reads all its reference files. Until then it costs about 197 tokens; SKILL.md has 532 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it

~197

When it runs · the whole SKILL.md, loaded when a task matches

~1.6k

With references · SKILL.md plus every file in references/, read only if the agent opens them

~5.7k

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

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 software-mansion-labs/skills at commit e3f00cd, republished under its MIT licence (© software-mansion-labs). 532 words, ~1,605 tokens.

name

react-native-moq

description

Software Mansion's react-native-moq — Media over QUIC (MoQ) live streaming for React Native: sub-second-latency video/audio playback, camera/mic/screen publishing, and realtime data tracks over a MoQ relay. MUST USE before writing, reviewing, or debugging ANY code that uses react-native-moq or react-native-moq-ui. Trigger on: 'react-native-moq', 'MoQ', 'Media over QUIC', 'moq relay', 'moq-kit', 'useSession', 'useBroadcasts', 'useVideoPlayer', 'useAudioPlayer', 'usePublisher', 'useCamera', 'useMultiCamera', 'useMicrophone', 'useScreenBroadcast', 'useDataTrack', 'useDataMessages', 'useAudioChunks', 'useAudioSource', 'useVideoSource', 'VideoView', 'PublisherView', 'VideoPlayerView', 'BroadcastPickerView', 'createSession', 'createPublisher', 'subscribeBroadcasts'.

license

MIT

npm install react-native-moq
cd ios && pod install

npm install react-native-moq-ui @react-native-vector-icons/material-icons

function Watch() {
  const session = useSession('https://relay.example.com', (s) => s.connect());
  const broadcasts = useBroadcasts(session, ''); // '' = all paths
  return broadcasts.map((b) => <BroadcastPlayer key={b.path} broadcast={b} />);
}

function BroadcastPlayer({ broadcast }: { broadcast: BroadcastInfo }) {
  const player = useVideoPlayer(broadcast, (p) => p.play());
  return <VideoView player={player} style={{ width: '100%', aspectRatio: 16 / 9 }} />;
}

const session = useSession(url, (s) => s.connect());
const camera = useCamera();
const microphone = useMicrophone();
const publisher = usePublisher(session);

<PublisherView camera={camera} style={styles.preview} />
// when session.state === 'connected':
publisher.publish({ path: 'live/test', tracks: [camera, microphone] });

© software-mansion-labs, MIT. 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 (references) in skills/react-native-moq of software-mansion-labs/skills.

• SKILL.md
• references/custom-tracks.md
• references/imperative.md
• references/playback.md
• references/publishing.md

Open the folder on GitHubat commit e3f00cd