Pmf
Alias for /ground — the demand-evidence gate on the build decision. Binds every product bet to real demand evidence (revealed-&-costly > specific-stated > vanity proxy) and REFUSES to license a build on anything weaker than specific stated demand: defaults to UNKNOWN/PUSH and ships the cheapest test that would settle it. Stops craft drifting into impressive-but-unwanted. Modes: <bet|product> (ext…
Install
$ agentstack add skill-yiyaw-lab-agent-armor-pmf ✓ 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.
About
Alias for /ground. Follow the ground skill (ground/SKILL.md) exactly — same modes (` | audit | apply`), same evidence-hierarchy refusal criterion (PULL ≥ Tier-1, vanity caps at UNKNOWN, cite-or-declare-UNKNOWN), same falsification + founder-bias guard, same gates-and-grades enforcement (verdict gates ship via /redline; each bet emits a falsifiable demand-prediction to your prediction ledger), same propose-on-approval + PUSH-caught/prediction-hit-rate metric.
Why two names: ground is the self-documenting verb — keep the product grounded in real demand, do not float on proxy and conviction (a cold reader infers the method). pmf is the recognizable term for the goal it serves (product-market fit). Use whichever reads truer; they run the identical procedure.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: yiyaw-lab
- Source: yiyaw-lab/agent-armor
- License: MIT
- Homepage: https://yiya.dev
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.