Back to Skills

skillcheck

SkillGitHubActiveTypeScript

Blind A/B testing for AI agent skills, .cursorrules, CLAUDE.md, and system prompts. Detects placebo and harmful instructions.

Description provenance: Original source

Open canonical source

Measured: Oct 20, 2026 · 25 observations

Domains & Uses

Domains
Agents, skills and MCP
Uses
Agent skills, Observability, Code assistants

Installation

git clone https://github.com/sx4im/skillcheck ~/.claude/skills/skillcheck

Check at the source

Compatibility and prerequisites must be checked in the official documentation.

https://github.com/sx4im/skillcheck

Classifications

Nature
Tool

Measurement history

Comparable readings are grouped by signal and unit.

Stars

29stars · Oct 20, 2026

+1 (+3.6 %)since Sep 26, 2026

Sep 26, 2026 : 28 starsSep 27, 2026 : 28 starsSep 28, 2026 : 28 starsSep 29, 2026 : 28 starsSep 30, 2026 : 28 starsOct 1, 2026 : 28 starsOct 2, 2026 : 28 starsOct 3, 2026 : 28 starsOct 4, 2026 : 28 starsOct 5, 2026 : 28 starsOct 6, 2026 : 28 starsOct 7, 2026 : 28 starsOct 8, 2026 : 28 starsOct 9, 2026 : 28 starsOct 10, 2026 : 28 starsOct 11, 2026 : 28 starsOct 12, 2026 : 28 starsOct 13, 2026 : 28 starsOct 14, 2026 : 29 starsOct 15, 2026 : 29 starsOct 16, 2026 : 29 starsOct 17, 2026 : 29 starsOct 18, 2026 : 29 starsOct 19, 2026 : 29 starsOct 20, 2026 : 29 stars
Exact values · 25 readings
MeasuredstarsChange
290
290
290
290
290
290
29+1
280
280
280
280
280
280
280
280
280
280
280
280
280
280
280
280
280
28·