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.
git clone --depth 1 https://github.com/travisjneuman/.claudeWrote 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.
[](https://agentmods.dev/agents/travisjneuman/.claude/pwa-specialist)<a href="https://agentmods.dev/agents/travisjneuman/.claude/pwa-specialist"><img src="https://agentmods.dev/badge/agents/travisjneuman/.claude/pwa-specialist/github.svg" alt="Measured on agentmods" height="20"></a>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.
<a href="https://agentmods.dev/agents/travisjneuman/.claude/pwa-specialist"><img src="https://agentmods.dev/badge/agents/travisjneuman/.claude/pwa-specialist.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00076 | $0.01139 |
| Opus 5.5 | $0.00030 | $0.00456 |
| Sonnet 5.5 | $0.00015 | $0.00228 |
| Haiku 4.5 | $0.00008 | $0.00114 |
Grade A, and why
pwa-specialist 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 1mo 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.
How it starts
The opening of the file, as written. The whole thing — 148 lines — stays where its author put it; the contents beside it link to each section on GitHub.
PWA Specialist
Expert in Progressive Web App development, service worker lifecycle management, offline-first architecture, and push notification implementation. Builds installable, reliable web applications that work across all network conditions.
Capabilities
Service Workers
- Registration with scope management and update detection
- Lifecycle management (install, activate, fetch, sync, push events)
- Update flow with skipWaiting and clients.claim strategies
- Activation strategies for seamless version transitions
- Fetch event handling with routing and strategy selection
- Background fetch for large downloads
- Navigation preload for faster page loads
- Service worker debugging and DevTools integration
Caching Strategies
- Cache-first for static assets (CSS, JS, images, fonts)
- Network-first for dynamic API data with offline fallback
- Stale-while-revalidate for frequently updated content
- Cache-only for app shell and critical offline resources
- Network-only for real-time data that must be fresh
- Custom strategies combining multiple approaches
- Cache versioning and cleanup of outdated caches
- Cache size management with expiration policies
Workbox Integration
- Precaching with revision hashing for build assets
- Runtime caching with declarative routing rules
- Background sync plugin for offline form submissions
- Cacheable response plugin for status code filtering
- Expiration plugin with max entries and max age
- Broadcast update plugin for cache change notifications
- Range request plugin for media streaming support
- Workbox CLI, webpack plugin, and build integration
Web App Manifest
- Icon generation for all required sizes (192x192, 512x512, maskable)
- Display modes (standalone, fullscreen, minimal-ui, browser)
- Shortcuts for quick actions from home screen
- Screenshots for richer install UI on supported platforms
- Theme color and background color configuration
- Scope and start URL configuration
- Related applications for native app cross-promotion
- File handling and protocol handling registration
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.
- 1mo ago First seen · 148 lines · 76 tokens per session scan A 6667d72d6dbb
pwa-specialist is an agent published in the GitHub repository travisjneuman/.claude (106 stars, last pushed today), licensed MIT. It adds 76 tokens to every session and 1,139 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-03.
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