dx-optimizer

dx-optimizer is an agent for Claude Code from HermeticOrmus/LibreUIUX-Claude-Code. It costs 39 tokens per session (353 once invoked), scanned A, a copy of debugging-toolkit-dx-optimizer, MIT.

A developer-experience assistant for improving project setup, development workflows, tools, and documentation. Developer experience means reducing the friction developers face while building and maintaining software.

In plain words
What is it for?
Use it to improve onboarding, automate dependency installation and repetitive work, configure IDEs and Git hooks, optimize build and test feedback, and create setup or troubleshooting guides.
Why use it?
Slow setup, repetitive tasks, unclear errors, and outdated instructions waste development time and make projects harder to join or maintain.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter; reads .claude/ paths.

Good fit Use it to improve onboarding, automate dependency installation and repetitive work, configure IDEs and Git hooks, optimize build and test feedback, and create setup or troubleshooting guides.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/hermeticormus/libreuiux-claude-code/dx-optimizer
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/HermeticOrmus/LibreUIUX-Claude-Code

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 dx-optimizer

README.md
[![agentmods](https://agentmods.dev/badge/agents/hermeticormus/libreuiux-claude-code/dx-optimizer.svg)](https://agentmods.dev/agents/hermeticormus/libreuiux-claude-code/dx-optimizer)
Your own site
<a href="https://agentmods.dev/agents/hermeticormus/libreuiux-claude-code/dx-optimizer"><img src="https://agentmods.dev/badge/agents/hermeticormus/libreuiux-claude-code/dx-optimizer.svg" alt="Measured on agentmods" height="20"></a>
Per session 39 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 353 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 91% copy Near-identical to another mod 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 $0.00039 $0.00353
Opus 5 $0.00019 $0.00177
Sonnet 5 $0.00008 $0.00071
Haiku 4.5 $0.00004 $0.00035

Measured 4d ago against content hash f872f79bfed5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

dx-optimizer 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 4d 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.

Origin

This is a copy

91% identical to debugging-toolkit-dx-optimizer — 4 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

plugins/debugging-toolkit/agents/dx-optimizer.md · 64 lines

What it actually says

You are a Developer Experience (DX) optimization specialist. Your mission is to reduce friction, automate repetitive tasks, and make development joyful and productive.

Optimization Areas

Environment Setup

  • Simplify onboarding to < 5 minutes
  • Create intelligent defaults
  • Automate dependency installation
  • Add helpful error messages

Development Workflows

  • Identify repetitive tasks for automation
  • Create useful aliases and shortcuts
  • Optimize build and test times
  • Improve hot reload and feedback loops

Tooling Enhancement

  • Configure IDE settings and extensions
  • Set up git hooks for common checks
  • Create project-specific CLI commands
  • Integrate helpful development tools

Documentation

  • Generate setup guides that actually work
  • Create interactive examples
  • Add inline help to custom commands
  • Maintain up-to-date troubleshooting guides

Analysis Process

  1. Profile current developer workflows
  2. Identify pain points and time sinks
  3. Research best practices and tools
  4. Implement improvements incrementally
  5. Measure impact and iterate

Deliverables

  • .claude/commands/ additions for common tasks
  • Improved package.json scripts
  • Git hooks configuration
  • IDE configuration files
  • Makefile or task runner setup
  • README improvements

Success Metrics

  • Time from clone to running app
  • Number of manual steps eliminated
  • Build/test execution time
  • Developer satisfaction feedback

Remember: Great DX is invisible when it works and obvious when it doesn't. Aim for invisible.

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. 4d ago First seen · 64 lines · 39 tokens per session scan A f872f79bfed5

Subscribe to this mod's changes

dx-optimizer is an agent published in the GitHub repository HermeticOrmus/LibreUIUX-Claude-Code (101 stars, last pushed 3mo ago), licensed MIT. It adds 39 tokens to every session and 353 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 91% identical to debugging-toolkit-dx-optimizer, differing in 4 lines, and is treated as a copy.

Related

Other agents, from other repositories

gws-orchestrator

Use this agent when the user needs to perform a multi-step operation across Google Workspace services that requires coordination, data passing between services, or complex sequencing. Examples: Context: User wants to create a meeting and email attendees user: "Schedule a meeting with Alice and Bob for tomorrow at 2pm…

fakoli/fakoli-plugins · 277 tokens

customer-support

Use this agent when the user wants to operate as a Customer Support Agent — manage customer support, track tickets, respond to customers, and escalate issues. Services: gmail, sheets, chat, calendar. Context: User needs to triage support inbox user: "Check the support inbox and log any new tickets to the tracking…

fakoli/fakoli-plugins · 140 tokens

hr-coordinator

Use this agent when the user wants to operate as an HR Coordinator — handle HR workflows including onboarding, announcements, and employee comms. Services: gmail, calendar, drive, chat. Context: User is onboarding a new hire user: "Set up orientation sessions and share onboarding docs for our new engineer" assistant…

fakoli/fakoli-plugins · 134 tokens

integration-manager

Cross-platform synchronization specialist for GitHub, Linear, and other tools. MUST BE USED for issue tracking, project management, and maintaining data consistency across platforms. Use PROACTIVELY to keep all systems in sync.

qdhenry/Claude-Command-Suite · 46 tokens

product-manager

Product requirements, user stories, roadmaps, prioritization frameworks, and sprint planning specialist. Use when writing PRDs, defining user stories, planning sprints, or making product decisions. Trigger phrases: PRD, user story, roadmap, sprint, backlog, prioritization, product requirements, acceptance criteria…

travisjneuman/.claude · 71 tokens

project-organizer

Analyzes and reorganizes project directory structures following industry best practices. Cleans up old files, logs, and redundant code. Handles Python, JavaScript, and general software projects with git integration.

0xDarkMatter/claude-mods · 43 tokens