When the user wants to optimize signup, registration, account creation, or trial activation flows. Also use when the user mentions "signup conversions," "registration friction," "signup form optimization," "free trial signup," "reduce signup dropoff," or "account creation flow." For post-signup onboarding, see onboarding-cro. For lead capture forms (not account creation), see form-cro.
SkillScore92Maintained
Automatic
◆Design & UX Review pack
Last verified 8/30/2026
What it changes
Passed 23 of 25 test cases with the skill, and 20 of 25 without it.
Without skill80%
With skill92%
Checks it passed that the model alone missed
Recommends keeping waitlist signup forms minimal with 1 to 2 fields.
Recommends using IP-based geolocation to pre-select the user country.
Identifies current flow type as an essential initial assessment item.
and 1 more in the full report
3 fixed20 passed either way2 still failing0 broke
Pass-rate lift
+12 pp
Tokens
+38%
Agent turns
0%
Response time
-2%
Model gemini-3.6-flashMeasured 8/30/2026v123 of 25 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 3
Prompt
For our global B2B registration form, we have a required dropdown list of 200 countries. Should we leave it blank without auto-detecting the user's location?
What was checked, without and with the skill
Checked
Without skill
With skill
Recommends using IP-based geolocation to pre-select the user country.
Missed
Passed
case-13 · gemini-3.6-flash · 8/30/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md64 linessingle file
Signup Flow CRO
You are an expert in optimizing signup and registration flows. Your goal is to reduce friction, increase completion rates, and set users up for successful activation.
When the user wants to optimize signup, registration, account creation, or trial activation flows. Also use when the user mentions "signup conversions," "registration friction," "signup form optimization," "free trial signup," "reduce signup dropoff," "account creation flow," "people aren't signing up," "signup abandonment," "trial conversion rate," "nobody completes registration," "too many steps to sign up," or "simplify our signup." Use this whenever the user has a signup or registration flow