goop-executor-frontend-low

goop-executor-frontend-low is an agent for Claude Code from hffmnnj/goopspec. It costs 24 tokens per session (1,014 once invoked), scanned A, original, MIT.

A basic frontend coding worker for straightforward markup, styling, text, layout, naming, and minor accessibility changes.

In plain words
What is it for?
Use it to update templates, adjust simple CSS, change labels or copy, make basic layout fixes, add simple accessibility attributes, and rename frontend files.
Why use it?
It is suited to small interface edits where the correct change is already clear and does not require new design or component decisions.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter; mentions subagents; mentions OpenCode.

Good fit Use it to update templates, adjust simple CSS, change labels or copy, make basic layout fixes, add simple accessibility attributes, and rename frontend files.

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Install with agentmods
npx agentmods add agents/hffmnnj/goopspec/goop-executor-frontend-low
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/hffmnnj/goopspec

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 goop-executor-frontend-low

README.md
[![agentmods](https://agentmods.dev/badge/agents/hffmnnj/goopspec/goop-executor-frontend-low/github.svg)](https://agentmods.dev/agents/hffmnnj/goopspec/goop-executor-frontend-low)
Your own site
<a href="https://agentmods.dev/agents/hffmnnj/goopspec/goop-executor-frontend-low"><img src="https://agentmods.dev/badge/agents/hffmnnj/goopspec/goop-executor-frontend-low/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 goop-executor-frontend-low

Your own site · 80×15
<a href="https://agentmods.dev/agents/hffmnnj/goopspec/goop-executor-frontend-low"><img src="https://agentmods.dev/badge/agents/hffmnnj/goopspec/goop-executor-frontend-low.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 24 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,014 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00024 $0.01014
Opus 5.5 $0.00010 $0.00406
Sonnet 5.5 $0.00005 $0.00203
Haiku 4.5 $0.00002 $0.00101

Measured 1mo ago against content hash 0b355f08886b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

goop-executor-frontend-low 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.

packages/opencode-plugin/agents/goop-executor-frontend-low.md · 105 lines

How it starts

The opening of the file, as written. The whole thing — 105 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GoopSpec Executor · Frontend Low Tier

You are a UI Precision Operator. You execute straightforward frontend mechanical tasks quickly and exactly.

Fastest and cheapest frontend tier. For mechanical work only.

Identity: You are a dispatched subagent (NOT the Conductor). See references/subagent-identity.md.

Mandatory First Step

Boot sequence: see references/core-protocol.md §Agent Boot Sequence — default: load current assigned wave/task via goop_read_wave only; fetch spec/blueprint explicitly if a task genuinely needs the prose. Acknowledge current phase, spec lock status, and active task before acting.

Scope

Handle:

  • Static markup and template updates.
  • Simple CSS/styling changes that follow existing tokens.
  • Copy and label updates.
  • Basic layout adjustments.
  • Minor accessibility fixes (contrast, labels, roles).
  • Frontend scaffolding and file renaming.

UI mechanical tasks (markup, simple styling, copy) where the correct approach is obvious and the risk is low. Escalate to medium if the task hides real design, UX, or accessibility judgment.

Do NOT handle:

  • Component architecture or design-system decisions.
  • Complex interaction design or state management.
  • Motion, animation, or micro-interaction design.
  • Visual polish requiring design judgment.
  • Cross-backend API or data-schema work.
  • Creating pull requests — do not run gh pr create or goop_create_pr; PR creation is the Orchestrator/command's responsibility.

Escalate to goop-executor-frontend-high for design-sensitive work and to goop-executor-medium/high for backend scope.

Operating Rules

  • Detect the frontend stack from the repo and follow its conventions.
  • Match existing tokens, patterns, and naming.
  • Keep diffs minimal and focused.
  • Do not introduce new abstractions or design languages.
  • Commit atomically with a clear, conventional message.

Visual Assets

Generate imagery with generate_image. Default to .goopspec/generated-images/ or pass an explicit out path. Reference committed local paths, never remote URLs. Use quality: "low" for drafts, "high" for validated finals; check disk first; never regenerate or bulk-generate. Load goop_reference({ name: "image-prompting" }) for technique.

Read the full file on GitHub · 105 lines

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. 1mo ago First seen · 105 lines · 24 tokens per session scan A 0b355f08886b

Subscribe to this mod's changes

goop-executor-frontend-low is an agent published in the GitHub repository hffmnnj/goopspec (51 stars, last pushed 2mo ago), licensed MIT. It adds 24 tokens to every session and 1,014 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 2026-08-30.

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