Product Think
Shape a feature or problem before implementation. Use this when the request is still fuzzy, when several solutions are possible, or when execution risks outrunning product clarity.
Install
$ agentstack add skill-stella-skillguard-product-think ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-stella-skillguard-product-think) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Product Think
Shape a feature or problem before implementation. Use this when the request is still fuzzy, when several solutions are possible, or when execution risks outrunning product clarity.
Arguments
$ARGUMENTS — Feature idea, problem statement, or change request.
Instructions
- Clarify the problem first:
- who is affected?
- what pain or friction exists today?
- why does it matter now?
- Separate problem from solution:
- write down the user need
- write down the proposed solution
- check whether the solution actually addresses the need
- Define outcome, not just output:
- what should be better if this works?
- what user or business behavior should change?
- State constraints:
- technical constraints
- organizational constraints
- compliance or trust constraints
- timeline constraints
- Explore options:
- simplest viable option
- stronger but more expensive option
- what not to build yet
- Make tradeoffs explicit:
- speed vs correctness
- breadth vs depth
- automation vs control
- flexibility vs clarity
- Define scope:
- in scope
- out of scope
- follow-up ideas that should not block the first version
- Define success:
- what would we measure?
- what would we observe qualitatively?
- what would count as failure?
- Produce a short product brief in prose or markdown, with:
- problem
- user
- goal
- options considered
- recommendation
- risks
- success signal
- Only move to implementation planning after this is coherent.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: stella
- Source: stella/skillguard
- License: Apache-2.0
- Homepage: https://stll.app
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.