Sep 4, 2026
Weekly Digest: Science Skills Sprint, Security Goes Mainstream
K-Dense's scientific library added 6,384 stars in seven days, security tooling held a top-20 seat, and SkillMap published twenty-five tutorials plus a thematic news piece.
The week's leaderboard story is depth beating breadth: while the mega-collections grew at their usual pace, the deepest specialist library in the top ten sprinted, and the security vertical stopped being a side story. Here is the week of August 29 through September 4, with leaderboard data through September 3.
The Big Picture
| Rank | Skill | Stars | 7-day change |
|---|---|---|---|
| #1 | anthropics/skills | 173,309 | +1,122 |
| #2 | addyosmani/agent-skills | 91,770 | +1,347 |
| #3 | composiohq/awesome-claude-skills | 74,335 | +554 |
| #4 | mvanhorn/last30days-skill | 61,055 | +1,246 |
| #5 | kepano/obsidian-skills | 47,768 | +349 |
| #6 | sickn33/antigravity-awesome-skills | 42,570 | 0 |
| #7 | k-dense-ai/scientific-agent-skills | 42,168 | +6,384 |
Seven-day changes compare the August 28 and September 3 points in SkillMap's tracking history.
Trend 1: The Science Sprint
k-dense-ai/scientific-agent-skills added 6,384 stars in seven days — more than the top three combined — and now sits at #7 with 42,168 stars. No other repository in the tracked set gained half as much. The library's own claim of being a skills library for science keeps converting attention into stars at a pace the generalist collections do not match.
Trend 2: Security Stops Being a Side Story
nvidia/skillspector, the pre-install security scanner, held #19 at 15,746 stars with a steady +681 week. Below it, the security-work cluster we covered in Thursday's news — raptor, ctf-skills, claude-red, claude-osint — kept accumulating, and this week's publishing leaned in: two of the week's ten newest tutorials cover security tooling, and SkillMap now maintains a dedicated security-workbench collection.
Trend 3: Single-Purpose Utilities Pull Real Weight
At #4, mvanhorn/last30days-skill added 1,246 stars this week — more than double the +554 at #3, a collection an order of magnitude broader in scope. One useful skill with one clear job can out-collect a generalist catalog. Meanwhile #6, sickn33/antigravity-awesome-skills, did not move at all: a reminder that a listing's position is not a growth guarantee.
What SkillMap Published
Twenty-five bilingual tutorials shipped this week, plus a thematic news piece:
- raptor: An Autonomous Security Research Framework for Claude Code
- agent-rules-books: 14 Rule Sets That Distill the Classics for Coding Agents
- swift-agent-skills: The Curated Directory for Apple-Platform Agent Skills
- designer-skills: 241 Design Skills and 91 Commands for Agentic Design Work
- softaworks-agent-toolkit: 43 Everyday Skills for Claude Code
- Plus ctf-skills, design-md-chrome, agent-skills-platform, apify-agent-skills, and image-to-editable-ppt-skill earlier in the week, and fifteen more before that — microsoft-skills, vuejs-ai-skills, web-quality-skills, auto-empirical-research-skills, agent-sprite-forge, avdlee-swiftui-agent-skill, denissergeevitch-agents-best-practices, jherrodthomas-automotive-skills-suite, mrgoonie-claudekit-skills, wordpress-agent-skills, awesome-finance-skills, buildwithclaude, cc-skills-golang, expo-skills, and skill-scanner.
The news piece: The Security Skills Cluster Is Compounding.
Coming Next
Watch whether the science sprint keeps its slope — k-dense closing on the top five is no longer a stretch — and whether pre-install security scanning keeps converting from best practice into default. The security-workbench collection will track both.
Read the latest tutorials.