Compare · Methodology
one-three-one-rule vs security-best-practices
Which methodology skill is right for you?
01 — TL;DR
If you need trigger clarity above all else, pick security-best-practices (3.7/5). one-three-one-rule (4.4/5) is a reasonable alternative if you're already in its source ecosystem. They overlap in methodology skill territory.
Side by side
4.4/5
3.7/5
Where they differ
- Trigger clarity. trigger clarity: security-best-practices is clearly stronger (4.5 vs 5.0). For workloads where this dimension matters, prefer security-best-practices.
- Output specificity. output specificity: one-three-one-rule and security-best-practices score essentially the same (4.5 vs 4.5). Neither has an edge here.
- Scope precision. scope precision: one-three-one-rule and security-best-practices score essentially the same (4.5 vs 4.5). Neither has an edge here.
- Self-containment. self-containment: one-three-one-rule and security-best-practices score essentially the same (4.5 vs 4.5). Neither has an edge here.
- Reusability. reusability: one-three-one-rule and security-best-practices score essentially the same (4.0 vs 4.0). Neither has an edge here.
Which to pick
When to choose one-three-one-rule
- You weight community adoption — one-three-one-rule's upstream repo has 218,765 stars vs 19,581.
- The methodology skill convention you're working in matches one-three-one-rule's scope.
When to choose security-best-practices
- Your workload emphasizes trigger clarity — security-best-practices scores 4.5 vs 5.0 here.
- You prefer the official source — security-best-practices comes from github:openai/skills, one-three-one-rule from skillsmp.com.
- The methodology skill convention you're working in matches security-best-practices's scope.
Scenario by scenario
| Scenario | Winner | Why |
|---|---|---|
| Agent must auto-select between many methodology skills | security-best-practices | Trigger clarity decides — clearer triggers reduce routing errors. |
| Output must be a specific file format or structured data | either | Output specificity determines whether downstream tools can rely on the result. |
| Skill must be readable and complete out of the box | either | Self-containment matters when you're not the original author. |
| Cross-team or cross-project reuse expected | either | Reusability separates one-off scripts from durable building blocks. |
Common questions
- Which is better, one-three-one-rule or security-best-practices?
- one-three-one-rule ranks higher overall (4.4 vs 3.7 on our 0–5 rubric). That said, the better choice depends on which dimensions matter most for your use case.
- Are one-three-one-rule and security-best-practices both free to use?
- Both skills are free and open-source (or freely licensed). one-three-one-rule: See source repo. security-best-practices: See source repo. Installation has no cost; usage costs depend on the underlying LLM tokens consumed when you invoke the skill.
- Can I install both one-three-one-rule and security-best-practices at the same time?
- Yes. Agent skills are not exclusive — an agent runtime (Claude Code, Codex, etc.) can have many skills installed and route to whichever matches the current task. Installing both is a low-cost way to keep your options open.
- Where do these skills come from?
- one-three-one-rule is sourced from skillsmp.com (curated marketplace). security-best-practices is sourced from github:openai/skills (official). We verify each skill across multiple sources where possible; one-three-one-rule appears in 1 source, security-best-practices in 1.