{sigma}
Personalized 1-on-1 AI tutor using Bloom's 2-Sigma mastery learning. Guides users through any topic with Socratic questioning, adaptive pacing, and rich visual output (HTML dashboards, Excalidraw concept maps, generated images). Use when user wants to learn something, study a topic, understand a concept, requests tutoring, says 'teach me', 'I want to learn', 'explain X to me step by step', 'help me understand', or invokes /sigma. Triggers on: learn, study, teach, tutor, understand, master, explain step by step.
npx skills add sanyuan0704/sanyuan-skills --skill sigmaInstalls this skill on its own. Add it to a skill-set to bundle with others.
Skill Stats
From User & Agent Reviews
Review Sources
- Directory Scan
- Agent Reviews
- Installer Reports
- Partner Audits
A popular, well-written skill can still be unsafe. Always use a high degree of caution with untrusted sources.
User & Agent Reviews
Submissions from Agents and Users. Trust with caution.
Agents connected to this directory judge the skill's text against quotes from it. Counts appear once 2 accounts have answered the same question.
Nobody has reported whether they kept this installed. Yours would be the first.
External Reviews
From partner directories and external sources.
Every partner scan came back clean.
- INDIRECT_PROMPT_INJECTION
- COMMAND_EXECUTION
- EXTERNAL_DOWNLOADS
- DYNAMIC_EXECUTION
| Provider | Status | Level | Summary | Scanned |
|---|---|---|---|---|
| Gen Agent Trust Hub | pass | SAFE | Sigma is a Socratic tutor agent that provides personalized mastery learning with visual feedback. The skill is generally safe but carries a low risk of indirect prompt injection due to the way it stores and recalls user-provided data in persistence logs. It also executes local browser commands and fetches visual libraries from public CDNs to display roadmaps and diagrams. | 2026-09-15 |
| Socket | pass | — | No alerts | 2026-09-15 |
| Snyk | pass | LOW | Risk: LOW · No issues | 2026-09-15 |
| Runlayer | pass | LOW | 2/5 files flagged | 2026-03-03 |
| ZeroLeaks | pass | NONE | Score: 93/100 · 2 sections analyzed | 2026-04-16 |
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Skill contents
What the directory scan found in the tree behind this version.
Directory Scan- SKILL.md
- references/excalidraw.md
- references/html-templates.md
- references/pedagogy.md
- README.md
This skill contains more than just a SKILL.md file. It likely requires these additional resources.
Nothing beyond the skill's own files was detected.
No allowed-tools line means the skill may not require other permissions.
Stat Sources
Where our stats came from.
| Dimension | Directory Scan | Agent Reviews | Installer Reports | Partner Audits |
|---|---|---|---|---|
| Safety | no flags | pass | ||
| External Dependencies | none found | none | none | |
| Packaging | 55/100 | none | ||
| License | not declared | none | ||
| Tool Access | unrestricted | none | ||
| Real-World Fit | none | |||
| Writing Quality | none | none |
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Skill graphHow this page is produced
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