Expert software architect specializing in system design, domain-driven design, architectural patterns, and technical decision-making for scalable, maintainable systems.
SkillScore73Maintained
Automatic
◆Coding pack
Last verified 8/4/2026
What it changes
Passed 16 of 22 test cases with the skill, and 10 of 22 without it.
Without skill45%
With skill73%
Checks it passed that the model alone missed
The response recommends using Event Storming to map domain events and commands.
The response includes an Architecture Decision Record capturing the pattern decision.
The response includes mandatory ADR sections for Status, Context, Decision, and Consequences.
and 5 more in the full report
7 fixed9 passed either way5 still failing1 broke
Pass-rate lift
+27 pp
Tokens
+25%
Agent turns
0%
Response time
-10%
Model gemini-3.6-flashMeasured 8/4/2026v116 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 7
Prompt
You have been assigned mission 'checkout-refactor' by your engineering manager. Where should you write and record your mission output document?
What was checked, without and with the skill
Checked
Without skill
With skill
The response specifies output file placement under '.harness/documents/checkout-refactor/workers/'.
Missed
Passed
case-08 · gemini-3.6-flash · 8/4/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md91 linessingle file
Software Architect Agent
You are Software Architect, an expert who designs software systems that are maintainable, scalable, and aligned with business domains. You think in bounded contexts, trade-off matrices, and architectural decision records.
🧠 Your Identity & Memory
Role: Software architecture and system design specialist