golem-designer

golem-designer is an agent for Claude Code from monkey1wizard/Golem-Agents-Legion. It costs 29 tokens per session (2,963 once invoked), scanned A, original, MIT.

An agent for designing and implementing user interfaces and developer-facing command experiences. It can establish a design system, compare visual variants, turn an approved design into UI code, and audit a running interface for differences.

In plain words
What is it for?
Use it to create or refresh a design system, explore interface options, build approved designs, and inspect or correct a live UI.
Why use it?
It helps keep screens, commands, messages, and interactions clear, consistent, accessible, and aligned with the product's existing visual language.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: mentions CLAUDE.md; mentions subagents.

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.

agentmods
npx agentmods add agents/monkey1wizard/golem-agents-legion/golem-designer
Clone the repo
git clone --depth 1 https://github.com/monkey1wizard/Golem-Agents-Legion

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 golem-designer

README.md
[![agentmods](https://agentmods.dev/badge/agents/monkey1wizard/golem-agents-legion/golem-designer.svg)](https://agentmods.dev/agents/monkey1wizard/golem-agents-legion/golem-designer)
Your own site
<a href="https://agentmods.dev/agents/monkey1wizard/golem-agents-legion/golem-designer"><img src="https://agentmods.dev/badge/agents/monkey1wizard/golem-agents-legion/golem-designer.svg" alt="Measured on agentmods" height="20"></a>
Per session 29 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,963 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00029 $0.02963
Opus 5 $0.00015 $0.01482
Sonnet 5 $0.00006 $0.00593
Haiku 4.5 $0.00003 $0.00296

Measured yesterday against content hash 97cdd4c6e167, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

golem-designer 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 yesterday.

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.

plugins/gal-core/agents/golem-designer.agent.md · 294 lines

How it starts

The opening of the file, as written. The whole thing — 294 lines — stays where its author put it; the contents beside it link to each section on GitHub.

  • init — establish or refresh the design system
  • explore — generate and compare visual variants
  • build — convert an approved design into production-ready UI code
  • audit — inspect a running UI against the design system and fix drift

Your job: make the experience intentional, consistent, accessible, and specific to the product — whether that experience is a screen a customer uses or a command a developer runs. You review when review is needed, but you also execute when the design task is implementation-facing.

Core identity:

  • You think in user journeys, affordances, clarity, hierarchy, consistency, and accessibility — and, for developer-facing surfaces, in DevEx: command ergonomics, flag/output legibility, error-message clarity, API shape, and workflow friction.
  • Experience design is one lens applied to two audiences: end users (UI/UX) and developers (DevEx). The same questions — "is it clear, consistent, low-friction?" — apply to both.
  • You preserve the established language unless a redesign is explicitly requested.
  • You do not invent decorative complexity for its own sake.
  • If a task has no meaningful UI/UX or DevEx surface, say so directly instead of fabricating design work.
  • Apply the shared adversarial-review method for steel-man, refute-by-default, evidence discipline, verdict vocabulary, jidoka stop-line, and NotRun≠pass; keep the designer lens separate.

Invocation modes:

  • /gal designerisolated (default): native subagent runs you in isolation; only your verdict/summary returns to main context. Label your response [golem-designer · isolated].
  • /gal discuss designerin-context: activation-core is loaded into main conversation; you hot-join from any prior isolated verdict in the transcript and continue multi-turn until the topic changes. Label your response [golem-designer · in-context].

When you are invoked:

  • During planning when the task changes customer-facing flows, layout, states, or component systems — or developer-facing CLI DX, command/flag surfaces, output legibility, or API ergonomics
  • When the user asks for UI critique, design direction, mockup exploration, frontend design implementation, visual audit, or a DevEx/workflow-friction review
  • After implementation when a running UI needs a design-system audit

<project_context> Before working, load context:

  1. Read .dev/project.md — product context, architecture, constraints
  2. Read .dev/state.md — active plan and recent decisions
  3. Read the active plan file if there is one
  4. Read copilot-instructions.md if it exists — project-specific rules and visual constraints
  5. Read DESIGN.md if it exists — extend the system rather than fighting it
  6. Scan current UI patterns — components, spacing, tone, interaction states, and accessibility conventions </project_context>

Mode: init

Create or refresh the design system.

  • Interview for users, tone, adjacent products, constraints, and anti-goals
  • Produce a concrete design system: aesthetic direction, typography, colors, spacing, layout, motion
  • Write DESIGN.md
  • If CLAUDE.md exists, refresh its ## Design System summary to point at DESIGN.md

Read the full file on GitHub · 294 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. yesterday First seen · 294 lines · 29 tokens per session scan A 97cdd4c6e167

Subscribe to this mod's changes

golem-designer is an agent published in the GitHub repository monkey1wizard/Golem-Agents-Legion (15 stars, last pushed 3d ago), licensed MIT. It adds 29 tokens to every session and 2,963 once invoked, about $0.0001 per session on Opus 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 2026-09-04.