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camerax-android: Skill for Claude Code

.agents/skills/media3-cast-integration/SKILL.md

media3-cast-integration is a skill for Claude Code, Codex from arindamxd/camerax-android. It costs 68 tokens per session (2,291 once invoked), scanned A, a copy of media3-cast-integration, Apache-2.0.

Guidance for adding Google Cast playback to Android apps with Jetpack Media3. Google Cast lets an app send media playback to a compatible remote device, while Media3 is Android's current media library.

In plain words
What is it for?
Adding or migrating Cast playback in Compose or traditional View-based Android apps, including manifest and player configuration.
Why use it?
It gives the required dependencies and configuration steps and explains which playback components to use instead of the older Cast SDK.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is arindamxd/camerax-android's own configuration. It tells Claude Code and Codex how to work on camerax-android itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything camerax-android configures →

not rated 132repo 1mo ago A scan 68 tokens copy · 97% Apache-2.0
View source ↗ arindamxd/camerax-android arindamxd.github.io
Reuse

Borrowing it

Nothing to install: this file belongs to arindamxd/camerax-android. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/arindamxd/camerax-android/master/.agents/skills/media3-cast-integration/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/arindamxd/camerax-android

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

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README.md
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Your own site · 80×15
<a href="https://agentmods.dev/skills/arindamxd/camerax-android/media3-cast-integration"><img src="https://agentmods.dev/badge/skills/arindamxd/camerax-android/media3-cast-integration.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 68 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,291 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 97% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00068 $0.02291
Opus 5.5 $0.00027 $0.00916
Sonnet 5.5 $0.00014 $0.00458
Haiku 4.5 $0.00007 $0.00229

Measured 2mo ago against content hash 8c8db29c65a3, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

media3-cast-integration scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

97% identical to media3-cast-integration — 29 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.agents/skills/media3-cast-integration/SKILL.md · 225 lines

How it starts

The opening of the file, as written. The whole thing — 225 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Prerequisites

  • Jetpack Media3 version must be >= 1.9.0. Cast isn't available in lower versions.

Glossary

  • CastPlayer : Media3 Player that controls playback on both local and remote Cast devices.
  • RemoteCastPlayer : Media3 Player that communicates with a Cast receiver, only used for remote playback.
  • Google Cast SDK: Legacy casting SDK in maintenance mode, superseded by Jetpack Media3.
  • OptionsProvider : Interface providing configuration options to initialize GMS CastContext.

Common guidelines

Step 1: Set up dependencies

To complete this step, you MUST ensure the following:

  • In the app-level build file, declare the media3-cast dependency version 1.9.0 or higher.

    implementation("androidx.media3:media3-cast:1.10.1")

  • Ensure required Media3 dependencies are present:

    • androidx.media3:media3-exoplayer
    • androidx.media3:media3-session
    • androidx.media3:media3-ui-compose

  • If the application uses legacy Views, add media3-ui.

  • Enforce the same versions across all Media3 dependencies.

  • Use configurations in "Add build dependencies" section of Getting started with CastPlayer as the source of truth.

  • For apps without an existing Cast integration:

    • Verify legacy Cast SDK (libs.play.services.cast.framework) is absent.

  • If Migrating from Legacy Cast SDK:

    • Add Media3 Cast dependencies first.
    • Keep existing legacy dependencies untouched at this stage to prevent compilation errors.

Step 2: Update the manifest

To complete this step, you MUST ensure the following:

  • Inside the manifest's <application> tag, declare the Cast options provider.
  • Use DefaultCastOptionsProvider by default. See the "OptionsProvider" section in Getting started with CastPlayer.
  • Declare a custom OptionsProvider only if explicitly requested. See Customize CastOptions.
  • Ensure INTERNET permission is present. Don't add any unnecessary permissions.
  • If Migrating from Legacy Cast SDK:
    • Don't delete existing custom options provider files or manifest entries.

Read the full file on GitHub · 225 lines

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 225 lines · 68 tokens per session scan A 8c8db29c65a3

Subscribe to this mod's changes

media3-cast-integration is a skill published in the GitHub repository arindamxd/camerax-android (132 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 68 tokens to every session and 2,291 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 97% identical to media3-cast-integration, differing in 29 lines, and is treated as a copy.

Mobileandroidcameraxjetpackkotlin
Related

media3-cast-integration compared with skills from other repositories

media3-cast-integration next to 6 skills from other repositories
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kotlin-androidericrisco/rsc-harnessSkill5032d agoMITA78Claude Code, Codex
compose-multiplatformericrisco/rsc-harnessSkill5032d agoMITA80Claude Code, Codex