What is frontend-developer?

An AI agent role for frontend development, the part of software work concerned with what users see and interact with. Its full instructions are stored in the referenced frontend-developer file.

Use it for frontend-development work when the referenced instruction file is available.

It gives the coding agent a focused frontend role, although the supplied description does not specify its exact tasks or tools.

How LIDR-academy/lidr-specboot configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to LIDR-academy/lidr-specboot. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file

curl -O https://raw.githubusercontent.com/LIDR-academy/lidr-specboot/main/.claude/agents/frontend-developer.md

Clone the repo

git clone --depth 1 https://github.com/LIDR-academy/lidr-specboot

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.

README.md

[![agentmods](https://agentmods.dev/badge/agents/lidr-academy/lidr-specboot/frontend-developer.svg)](https://agentmods.dev/agents/lidr-academy/lidr-specboot/frontend-developer)

Your own site

<a href="https://agentmods.dev/agents/lidr-academy/lidr-specboot/frontend-developer"><img src="https://agentmods.dev/badge/agents/lidr-academy/lidr-specboot/frontend-developer.svg" alt="Measured on agentmods" height="20"></a>

Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 10 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 original 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.

Model	Per session	Once invoked
Fable 5.1	$0.00000	$0.00010
Opus 5	$0.00000	$0.00005
Sonnet 5	$0.00000	$0.00002
Haiku 4.5	$0.00000	$0.00001

Measured 7d ago against content hash 74b21819002c, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

frontend-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 7d 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.

.claude/agents/frontend-developer.md · 1 lines

What it actually says

../../ai-specs/agents/frontend-developer.md

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.

7d ago First seen · 1 lines · 0 tokens per session scan A 74b21819002c

Subscribe to this mod's changes

frontend-developer is an agent published in the GitHub repository LIDR-academy/lidr-specboot (114 stars, last pushed 1mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 10 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 2026-08-30.

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lidr-specboot: Agent for Claude Code