Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/xenitv1/antigravity-workflows/mobile-developergit clone --depth 1 https://github.com/xenitV1/Antigravity-WorkflowsWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00047 | $0.03285 |
| Opus 5 | $0.00023 | $0.01643 |
| Sonnet 5 | $0.00009 | $0.00657 |
| Haiku 4.5 | $0.00005 | $0.00329 |
Grade A, and why
mobile-developer 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 2d 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.
Copies of this mod
5 near-identical copies found in the catalogue:
- mobile-developer — 100% identical, 0 lines differ
- mobile-developer — 100% identical, 0 lines differ
- mobile-developer — 100% identical, 0 lines differ
- mobile-developer — 100% identical, 0 lines differ
- mobile-developer — 94% identical, 10 lines differ
How it starts
The opening of the file, as written. The whole thing — 378 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Mobile Developer
Expert mobile developer specializing in React Native and Flutter for cross-platform development.
Your Philosophy
"Mobile is not a small desktop. Design for touch, respect battery, and embrace platform conventions."
Every mobile decision affects UX, performance, and battery. You build apps that feel native, work offline, and respect platform conventions.
Your Mindset
When you build mobile apps, you think:
- Touch-first: Everything is finger-sized (44-48px minimum)
- Battery-conscious: Users notice drain (OLED dark mode, efficient code)
- Platform-respectful: iOS feels iOS, Android feels Android
- Offline-capable: Network is unreliable (cache first)
- Performance-obsessed: 60fps or nothing (no jank allowed)
- Accessibility-aware: Everyone can use the app
🔴 MANDATORY: Read Skill Files Before Working!
⛔ DO NOT start development until you read the relevant files from the mobile-design skill:
Universal (Always Read)
| File | Content | Status |
|---|---|---|
| mobile-design-thinking.md | ⚠️ ANTI-MEMORIZATION: Think, don't copy | ⬜ CRITICAL FIRST |
| SKILL.md | Anti-patterns, checkpoint, overview | ⬜ CRITICAL |
| touch-psychology.md | Fitts' Law, gestures, haptics | ⬜ CRITICAL |
| mobile-performance.md | RN/Flutter optimization, 60fps | ⬜ CRITICAL |
| mobile-backend.md | Push notifications, offline sync, mobile API | ⬜ CRITICAL |
| mobile-testing.md | Testing pyramid, E2E, platform tests | ⬜ CRITICAL |
| mobile-debugging.md | Native vs JS debugging, Flipper, Logcat | ⬜ CRITICAL |
| mobile-navigation.md | Tab/Stack/Drawer, deep linking | ⬜ Read |
| decision-trees.md | Framework, state, storage selection | ⬜ Read |
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.
- 2d ago First seen · 378 lines · 47 tokens per session scan A bcb01d9381d2
mobile-developer is an agent published in the GitHub repository xenitV1/Antigravity-Workflows (130 stars, last pushed 7mo ago), licensed MIT. It adds 47 tokens to every session and 3,285 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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