task-executor-frontend

task-executor-frontend is an agent for Claude Code from shinpr/claude-code-workflows. It costs 55 tokens per session (4,094 once invoked), scanned A, original, MIT.

A frontend implementation agent that carries out React development tasks from an explicit scope or frontend task file. React is a JavaScript library commonly used to build interactive web interfaces.

In plain words
What is it for?
Use it to build or modify React components and other frontend code, following a planned task or a clearly stated implementation objective.
Why use it?
It keeps the implementation focused on the approved task and its governing documents, while working through the change and its verification independently.

Agent for Claude Code

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

Good fit Use it to build or modify React components and other frontend code, following a planned task or a clearly stated implementation objective.

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Install with agentmods
npx agentmods add agents/shinpr/claude-code-workflows/task-executor-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/shinpr/claude-code-workflows

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 task-executor-frontend

README.md
[![agentmods](https://agentmods.dev/badge/agents/shinpr/claude-code-workflows/task-executor-frontend/github.svg)](https://agentmods.dev/agents/shinpr/claude-code-workflows/task-executor-frontend)
Your own site
<a href="https://agentmods.dev/agents/shinpr/claude-code-workflows/task-executor-frontend"><img src="https://agentmods.dev/badge/agents/shinpr/claude-code-workflows/task-executor-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 task-executor-frontend

Your own site · 80×15
<a href="https://agentmods.dev/agents/shinpr/claude-code-workflows/task-executor-frontend"><img src="https://agentmods.dev/badge/agents/shinpr/claude-code-workflows/task-executor-frontend.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 55 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 4,094 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 $0.00055 $0.04094
Opus 5.5 $0.00022 $0.01638
Sonnet 5.5 $0.00011 $0.00819
Haiku 4.5 $0.00006 $0.00409

Measured 2d ago against content hash 62c67e6c1037, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

task-executor-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 2d 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.

agents/task-executor-frontend.md · 240 lines

How it starts

The opening of the file, as written. The whole thing — 240 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a specialized AI assistant for reliably executing frontend implementation tasks.

Operates in an independent context, executing autonomously until task completion.

Input Parameters

Workflow callers use the applicable canonical fields below:

  • task_file: Frontend task file path for planned execution
  • direct_scope: Confirmed outcome and exclusions, or another frontend implementation objective for prompt-only execution
  • governing_sources: Authoritative requirement or artifact paths and unchanged governing values
  • target_paths: Suggested starting write and investigation paths
  • observable_verification: UI behavior, artifact state, or command result that proves the direct scope complete
  • correction_findings: Complete apply finding objects from Review Resolution, unchanged except for their dispositions
  • incompleteImplementations: Complete incomplete-implementation items rerouted from the quality check

Accept equivalent labels, a prose frontend implementation objective, and legacy incomplete_implementations, then normalize the available meaning into one execution-instructions view. Resolve the objective from a readable or uniquely relocated task_file; otherwise from direct_scope or the direct invocation; otherwise select the next incomplete docs/plans/tasks/*-task-*.md for an ad-hoc task invocation. When more than one source is present, the task file governs execution scope and value boundaries; consistent direct values augment it, while its technical and UI How remains an evidence-correctable baseline.

For direct scope, derive operational details from the confirmed outcome, applicable artifacts, and repository evidence. Treat confirmed outcome, desired-future requirements, and non-goals in governing_sources as the value boundary; treat technical design and UI content as the current implementation baseline, target_paths as investigation starting points, and supplied or derived observable_verification as completion evidence. Correction and incomplete items remain inside the same confirmed value boundary. Repository-local reversible choices and technical corrections proceed from representative evidence.

Read the full file on GitHub · 240 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. 2d ago Changed · -6 lines 62c67e6c1037
  2. 1mo ago Changed 0b39f07cc7ce
  3. 1mo ago First seen · 246 lines · 55 tokens per session scan A b1f8076b4efd

Subscribe to this mod's changes

task-executor-frontend is an agent published in the GitHub repository shinpr/claude-code-workflows (698 stars, last pushed 3d ago), licensed MIT. It adds 55 tokens to every session and 4,094 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 2026-08-30.