Apr 20, 2026
This Week in Agent Skills: Collections Dominate, Scientific Skills Emerge
New skill collections crossed 700K total entries, scientific research skills gained traction, and Vercel's agent-skills repo hit 24K stars. Here is what changed this week.
A weekly roundup of what moved in the Agent Skills ecosystem.
The Big Picture
The Agent Skills ecosystem now tracks over 700,000 total skills across all repositories. But raw numbers tell you less than growth patterns. This week, three trends stood out.
Trend 1: Collection Repos Keep Growing
The top three repositories by star count are all curated collections, not individual skills:
- anthropics/skills (113K stars) — the official Anthropic repo, still the canonical source
- composiohq/awesome-claude-skills (52K stars) — community-curated list with 1,000+ entries
- sickn33/antigravity-awesome-skills (31K stars) — installable library of 1,370+ skills
What this means: the ecosystem is still in the "aggregation" phase. Value is being created by collecting and organizing skills, not by individual skill quality. This will shift as users demand higher-quality, vetted skills over raw quantity.
Trend 2: Scientific Skills Are Emerging
k-dense-ai/claude-scientific-skills (17K stars) is gaining momentum as a go-to collection for research and data analysis workflows. It covers:
- Literature review and citation management
- Data analysis and visualization
- Scientific writing with proper formatting
- Engineering calculations and unit handling
This is significant because it signals Agent Skills expanding beyond developer tools into domain-specific professional workflows. If you are in research or data science, this collection is worth a look. We published a tutorial on using skills for research this week.
Trend 3: Context Engineering Gets Its Own Skill Set
muratcankoylan/agent-skills-for-context-engineering (14K stars) addresses a real pain point: managing the context window of your AI agent. The skills help with:
- Multi-agent architecture orchestration
- Context window optimization
- Prompt chaining strategies
As context windows grow but model attention does not improve proportionally, managing what goes into the context becomes a skill in itself.
Top Movers This Week
| Skill | Category | Stars | Trend |
|---|---|---|---|
| anthropics/skills | dev-tools | 113K | Stable |
| composiohq/awesome-claude-skills | dev-tools | 52K | Up |
| sickn33/antigravity-awesome-skills | dev-tools | 31K | Up |
| vercel-labs/agent-skills | dev-tools | 24K | Stable |
| kepano/obsidian-skills | dev-tools | 21K | Stable |
| mvanhorn/last30days-skill | dev-tools | 19K | New entry |
| k-dense-ai/claude-scientific-skills | data | 17K | Up |
| agentskills/agentskills | dev-tools | 15K | Stable |
What We Published This Week
- How to Install Agent Skills from the Official Anthropic Repository — the foundational getting-started guide
- Obsidian Agent Skills for Deep Work — managing your vault with AI
- Research Any Topic with the Last 30 Days Skill — multi-platform research workflows
- Agent Skills 101 — the complete introduction for newcomers
Coming Next Week
We are evaluating skills for deployment automation and CI/CD workflows. If you have a skill you want covered, submit it through the leaderboard.
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