subagent-frontend

subagent-frontend is an agent for Claude Code from radthenone/ai-instruction-kit-mcp. It costs 48 tokens per session (359 once invoked), scanned A, original, no licence file.

A frontend code-review agent intended to work alongside a separate backend reviewer in two Cursor windows. Frontend code controls the user interface, while backend code runs server-side logic and data handling.

In plain words
What is it for?
Use it for cross-review of frontend and backend changes when both reviewers are running in separate Cursor windows.
Why use it?
It supports checking user-interface work separately while another reviewer checks server-side code.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it for cross-review of frontend and backend changes when both reviewers are running in separate Cursor windows.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/radthenone/ai-instruction-kit-mcp/subagent-frontend
Install

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.

Clone the repo
git clone --depth 1 https://github.com/radthenone/ai-instruction-kit-mcp

Made for: Claude Code.

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.

agentmods badge for subagent-frontend

README.md
[![agentmods](https://agentmods.dev/badge/agents/radthenone/ai-instruction-kit-mcp/subagent-frontend/github.svg)](https://agentmods.dev/agents/radthenone/ai-instruction-kit-mcp/subagent-frontend)
Your own site
<a href="https://agentmods.dev/agents/radthenone/ai-instruction-kit-mcp/subagent-frontend"><img src="https://agentmods.dev/badge/agents/radthenone/ai-instruction-kit-mcp/subagent-frontend/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.

agentmods 80×15 button for subagent-frontend

Your own site · 80×15
<a href="https://agentmods.dev/agents/radthenone/ai-instruction-kit-mcp/subagent-frontend"><img src="https://agentmods.dev/badge/agents/radthenone/ai-instruction-kit-mcp/subagent-frontend.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 359 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 unknown No closer match found 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 $0.00048 $0.00359
Opus 5.5 $0.00019 $0.00144
Sonnet 5.5 $0.00010 $0.00072
Haiku 4.5 $0.00005 $0.00036

Measured 5d ago against content hash dd0da0ea5aba, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

subagent-frontend 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 5d 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.

templates/shared/agents/subagent-frontend.md · 36 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 5d ago Changed · +1 lines dd0da0ea5aba
  2. 27d ago Changed · +1 lines abe4912b3e8b
  3. 1mo ago Changed · +1 lines b55796d19674
  4. 2mo ago First seen · 33 lines · 48 tokens per session scan A 68449765aca4

Subscribe to this mod's changes

subagent-frontend is an agent published in the GitHub repository radthenone/ai-instruction-kit-mcp (0 stars, last pushed today), with no licence file. It adds 48 tokens to every session and 359 once invoked, about $0.0002 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.

Related

subagent-frontend compared with agents from other repositories

subagent-frontend next to 6 agents from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
subagent-frontendradthenone/ai-instruction-kit-mcpAgent0todaynoneA48Claude Code
cpp-revieweraffaan-m/ECCAgent299kyesterdayMITA41Claude Code, Kiro
thermo-nuclear-code-quality-review-subagentmichael-denyer/pstack-claudeAgent4.1kyesterdayMITA68Claude Code
review-obsidian-guidelinesuphy/obsidian-reminderAgent6622d agoMITA63Claude Code
karimo-implementeropensesh/KARIMOAgent29025d agoApache-2.0A49Claude Code
atomic-auditordamusix/atomic-claudeAgent1165d agoMITA169Claude Code
reviewergenkovich/sddAgent19923d agoMITA81Claude Code