
Description
product-lens is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It checks the why of a product before anyone builds it, through four product diagnostics. The listing describes it as a YC-style office-hours session automated for an agent, and it produces a PRODUCT-BRIEF.md file with a go or no-go view. It asks the hard questions a founder should answer before engineering starts. The skill is for validating a feature before work begins, running a weekly product review to check the team is building the right thing, choosing between competing features, sanity-checking the user journey before a launch, and turning a vague idea into a product brief. It deliberately does not write implementation-ready specifications; for that the listing points to product-capability. A skill is a SKILL.md file of instructions that an AI agent loads when a task calls for it. It is free and open source, and the skills.sh listing shows all three security audits passing.…
Highlights
- Four product diagnostics
- PRODUCT-BRIEF.md with go or no-go
- Pre-build check of the why
- Weekly review and pre-launch checks
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product-lens FAQ
What does the product-lens skill do?
It runs product diagnostics that test the reason for a feature before building, and writes a PRODUCT-BRIEF.md with a go or no-go view.
Is it a spec writer?
No. The listing says it owns product diagnosis, and points to product-capability for implementation-ready specs.
When should it run?
Before starting a feature, in weekly reviews, when choosing between features, and before a launch.
How do I install it?
Run: npx skills add https://github.com/affaan-m/ecc --skill product-lens
Is it free?
Yes. It is free and open source.
Are there security findings?
The skills.sh listing shows Gen Agent Trust Hub, Socket and Snyk all passing.
What are the best product-lens alternatives?
Popular alternatives to product-lens include startup-canvas, dev-team and investor-materials. See all product-lens alternatives





