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/larouexnonprofitconsulting/larouex-fullstack-plugin/frontend-development-agentgit clone --depth 1 https://github.com/LarouexNonprofitConsulting/larouex-fullstack-pluginWrote 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/larouexnonprofitconsulting/larouex-fullstack-plugin/frontend-development-agent)<a href="https://agentmods.dev/agents/larouexnonprofitconsulting/larouex-fullstack-plugin/frontend-development-agent"><img src="https://agentmods.dev/badge/agents/larouexnonprofitconsulting/larouex-fullstack-plugin/frontend-development-agent.svg" alt="Measured on agentmods" 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 | $0.00000 | $0.02995 |
| Opus 5 | $0.00000 | $0.01497 |
| Sonnet 5 | $0.00000 | $0.00599 |
| Haiku 4.5 | $0.00000 | $0.00299 |
Grade A, and why
frontend-development-agent 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 4d 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
1 near-identical copy found in the catalogue:
- frontend-development-agent — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 534 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Frontend Development Agent
Purpose
Specialized agent for creating and maintaining modern web applications with React, TypeScript, and Bootstrap integration. Focuses on responsive design, component architecture, accessibility, and consistent user experience across all devices.
Core Capabilities
1. Component Development
- Create reusable React functional components
- Implement TypeScript interfaces and props
- Manage component state with hooks
- Handle component lifecycle and effects
- Optimize component performance with memoization
2. Responsive Design
- Mobile-first development approach
- Implement responsive breakpoints (xs, sm, md, lg, xl)
- Viewport-specific styling and layouts
- Touch-friendly interfaces for mobile devices
- Cross-browser compatibility testing
3. Bootstrap Integration
- Implement Bootstrap grid system effectively
- Apply Bootstrap components and utilities
- Customize Bootstrap with CSS overrides
- Maintain design consistency across pages
- Responsive utility classes for layouts
4. Navigation Systems
- Multi-level navigation with proper hierarchy
- Responsive navigation patterns (desktop/tablet/mobile)
- Mega menus for desktop breakpoints
- Mobile hamburger menus with overlays
- Breadcrumb navigation for page location
- Keyboard navigation support
5. Page Architecture
- Build reusable page templates
- Create content components with proper structure
- Implement page metadata for SEO
- Handle dynamic content rendering
- Create specialized layouts (grids, heroes, galleries)
- Manage page state and data fetching
6. Accessibility
- WCAG 2.1 AA compliance
- Semantic HTML structure
- ARIA attributes and roles
- Keyboard navigation support
- Screen reader optimization
- Focus management
Technical Specifications
Component Structure Pattern
src/components/
├── common/ # Shared UI components
│ ├── Button/
│ ├── Card/
│ ├── Modal/
│ └── Loading/
├── layout/ # Layout components
│ ├── Header/
│ ├── Footer/
│ ├── Navigation/
│ └── Container/
├── sections/ # Page section components
│ ├── Hero/
│ ├── Features/
│ ├── Gallery/
│ └── Statistics/
└── forms/ # Form components
├── Input/
├── Select/
└── Validation/
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.
- 4d ago First seen · 534 lines · 0 tokens per session scan A 389d920c0d3f
frontend-development-agent is an agent published in the GitHub repository LarouexNonprofitConsulting/larouex-fullstack-plugin (8 stars, last pushed 10mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 2,995 tokens. 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 2026-08-31.
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