01 — TL;DR
Both doc-coauthoring and writing-skills are strong choices for content tools — they score within 0.15 of each other on our composite (4.0 vs 4.1). Pick based on which source you trust more, not on raw score.
Side by side
4.0/5
4.1/5
Where they differ
- Trigger clarity. trigger clarity: doc-coauthoring is clearly stronger (5.0 vs 4.5). For workloads where this dimension matters, prefer doc-coauthoring.
- Output specificity. output specificity: a meaningful gap. doc-coauthoring scores 5.0 vs 4.0 for the other. If you need this dimension, doc-coauthoring is the right pick.
- Scope precision. scope precision: doc-coauthoring is clearly stronger (5.0 vs 4.5). For workloads where this dimension matters, prefer doc-coauthoring.
- Self-containment. self-containment: a meaningful gap. doc-coauthoring scores 5.0 vs 3.5 for the other. If you need this dimension, doc-coauthoring is the right pick.
- Reusability. reusability: doc-coauthoring and writing-skills score essentially the same (4.0 vs 4.0). Neither has an edge here.
How to decide
- Pick doc-coauthoring if source provenance matters more — it's official while the other is curated marketplace.
- Pick writing-skills if you weight community adoption — its upstream has more GitHub stars.
- If neither of the above tips the scale, default to the one whose author you've used before in other contexts — ecosystem familiarity compounds.
Scenario by scenario
| Scenario | Winner | Why |
|---|---|---|
| Agent must auto-select between many content tools | doc-coauthoring | Trigger clarity decides — clearer triggers reduce routing errors. |
| Output must be a specific file format or structured data | doc-coauthoring | Output specificity determines whether downstream tools can rely on the result. |
| Skill must be readable and complete out of the box | doc-coauthoring | 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, doc-coauthoring or writing-skills?
- Neither is clearly better — they score within 0.15 of each other on our 0–5 composite. The decision should be driven by source preference, ecosystem fit, or specific dimension priorities (see "How to decide" above).
- Are doc-coauthoring and writing-skills both free to use?
- Both skills are free and open-source (or freely licensed). doc-coauthoring: See source repo. writing-skills: 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 doc-coauthoring and writing-skills 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?
- doc-coauthoring is sourced from github:anthropics/skills (official). writing-skills is sourced from skillsmp.com (curated marketplace). We verify each skill across multiple sources where possible; doc-coauthoring appears in 2 sources, writing-skills in 2.