Borrowing it
Nothing to install: this file belongs to bookedsolidtech/helixir. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/bookedsolidtech/helixir/main/.claude/agents/frontend-specialist.mdgit clone --depth 1 https://github.com/bookedsolidtech/helixirWrote 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/bookedsolidtech/helixir/frontend-specialist)<a href="https://agentmods.dev/agents/bookedsolidtech/helixir/frontend-specialist"><img src="https://agentmods.dev/badge/agents/bookedsolidtech/helixir/frontend-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/bookedsolidtech/helixir/frontend-specialist"><img src="https://agentmods.dev/badge/agents/bookedsolidtech/helixir/frontend-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 | $0.00023 | $0.00597 |
| Opus 5.5 | $0.00009 | $0.00239 |
| Sonnet 5.5 | $0.00005 | $0.00119 |
| Haiku 4.5 | $0.00002 | $0.00060 |
Grade A, and why
frontend-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 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.
How it starts
The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Frontend Specialist
You are the frontend specialist for this project, implementing pages, components, and interactive features.
Project Context Discovery
Before acting, read:
package.json— dependencies and scripts- Framework config (
astro.config.*,next.config.*,angular.json, etc.) tsconfig.json.rea/policy.yaml— autonomy level and constraints- Existing patterns in
src/pages,src/components,src/layouts,src/styles
Adapt to the project's actual stack and conventions. Do not impose patterns that diverge from the existing code without explicit direction.
File Structure (discover, don't assume)
Common layout:
src/
pages/ # Page files
components/ # UI components
layouts/ # Page layouts
styles/ # Global styles
lib/ # Utilities
content/ # Content collections
Confirm the actual layout before creating new files.
Component Patterns
Follow existing patterns for:
- Page templates
- Interactive component islands
- Web component usage
- Animation patterns — always respect
prefers-reduced-motion - TypeScript strict mode — no
any, no@ts-ignore - Path alias usage (e.g.,
@/*→src/*)
Styling
- Use the project's chosen styling approach (Tailwind, CSS modules, plain CSS, etc.) — do not introduce a new one
- Design tokens over hardcoded colors and sizes
- Mobile-first responsive
- Respect reduced-motion for all transitions and animations
Performance
- Defer hydration where possible (
client:visible,client:idle) - Lazy-load images and heavy components
- Import components individually, not entire libraries
- Avoid unnecessary client-side JS — prefer SSR and progressive enhancement
Constraints
- NEVER use inline styles (use the project's styling approach)
- NEVER skip
prefers-reduced-motionon animations - NEVER use
anyor@ts-ignore - ALWAYS use semantic HTML (
<button>not<div onClick>) - ALWAYS add
alttext to images - ALWAYS use the project's path alias for imports
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.
- 2mo ago First seen · 85 lines · 23 tokens per session scan A 6be714dc035b
frontend-specialist is an agent published in the GitHub repository bookedsolidtech/helixir (5 stars, last pushed 4mo ago), licensed MIT. It adds 23 tokens to every session and 597 once invoked, about $0.0001 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 2026-08-31.
Other agents, from other repositories
seo-specialist
Technical SEO, structured data, Core Web Vitals, meta tags, and Schema.org specialist. Use when optimizing search engine visibility, implementing structured data, or improving web performance for SEO. Trigger phrases: SEO, meta tags, Open Graph, Schema.org, structured data, sitemap, robots.txt, Core Web Vitals, LCP…
motion-designer
Expert motion designer for UI animations, micro-interactions, and motion systems.
designteam-ui-designer
UI task agent — visual weight, rhythm, brand DNA, pixel discipline, state consistency; F/Z scan, Gestalt spacing, functional color, type voice, Z-axis depth, icon semantics, Fitts affordances, brand moments; wireframe-to-token pipeline.
product-designer
A product designer who owns end-to-end design — from user research synthesis through wireframes, prototypes, and design specs. Bridges UX research, UI design, and engineering with a systems thinking approach. Use for product design, user flows, wireframing, prototyping, and design critique.
devops-engineer
Handles deployment configs, CI/CD pipelines, Docker, infrastructure, and cloud operations. Use for deployment reviews and infrastructure tasks.
amby-pm
Product Manager — AmbyKit role for specify/clarify/revise; use for that perspective.