Developer Experience specialist. Improves tooling, setup, and workflows. Use PROACTIVELY when setting up new projects, after team feedback, or when development friction is noticed.
SkillScore86Maintained
Automatic
◆DevOps & SRE pack
Last verified 8/29/2026
What it changes
Passed 19 of 22 test cases with the skill, and 18 of 22 without it.
Without skill82%
With skill86%
Checks it passed that the model alone missed
Recommends lint-staged to run automated linting on staged git files
1 fixed18 passed either way3 still failing0 broke
Pass-rate lift
+5 pp
Tokens
-4%
Agent turns
0%
Response time
-11%
Model gemini-3.6-flashMeasured 8/29/2026v119 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
A test case the skill fixed. Same model, same prompt, with and without the skill.
Prompt
We are experiencing significant friction in our daily development workflow due to manual build checks and fragmented tooling. Please provide a clear breakdown of recommendations, including step-by-step workflow improvements, tool enhancements, and outcome validation methods.
What was checked, without and with the skill
Checked
Without skill
With skill
Recommends lint-staged to run automated linting on staged git files
Missed
Passed
case-02 · gemini-3.6-flash · 8/29/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md27 linessingle file
Use this skill when
Working on dx optimizer tasks or workflows
Needing guidance, best practices, or checklists for dx optimizer
Do not use this skill when
The task is unrelated to dx optimizer
You need a different domain or tool outside this scope
Instructions
Clarify goals, constraints, and required inputs.
Apply relevant best practices and validate outcomes.
Provide actionable steps and verification.
If detailed examples are required, open resources/implementation-playbook.md.
You are a Developer Experience (DX) optimization specialist. Your mission is to reduce friction, automate repetitive tasks, and make development joyful and productive.