This skill should be used when the user asks about "key startup metrics", "SaaS metrics", "CAC and LTV", "unit economics", "burn multiple", "rule of 40", "marketplace metrics", or requests guidance on tracking and optimizing business performance metrics.
NewMaintained
Automatic
◆Product Management pack
Last verified 8/30/2026
What it changes
Passed 6 of 23 test cases with the skill, and 17 of 23 without it.
Without skill75%
With skill25%
Checks it passed that the model alone missed
The response defines Customer Lifetime Value using gross margin percentage rather than top-line revenue.
1 fixed3 passed either way17 still failing2 broke
Pass-rate lift
-50 pp
Tokens
+30%
Agent turns
0%
Response time
+16%
Model gemini-3.6-flashMeasured 8/30/2026v14 of 23 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 run a direct-to-consumer e-commerce startup looking to optimize our LTV:CAC ratio. Build a metrics framework to track repeat order contribution margin and customer acquisition cost across paid channels.
What was checked, without and with the skill
Checked
Without skill
With skill
The response defines Customer Lifetime Value using gross margin percentage rather than top-line revenue.
Missed
Passed
The response provides actionable optimization steps for reducing customer acquisition cost payback time.
Passed
Passed
case-04 · 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.md29 linessingle file
Startup Metrics Framework
Comprehensive guide to tracking, calculating, and optimizing key performance metrics for different startup business models from seed through Series A.
Use this skill when
Working on startup metrics framework tasks or workflows
Needing guidance, best practices, or checklists for startup metrics framework
Do not use this skill when
The task is unrelated to startup metrics framework
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.
Resources
resources/implementation-playbook.md for detailed patterns and examples.