This skill provides guidance for configuring and running LLM evaluations using Promptfoo, an open-source CLI tool for testing and comparing LLM outputs. A typical Promptfoo project structure: This dir
Real data. Real impact.
Emerging
Developers
Per week
Excellent
Skills give you superpowers. Install in 30 seconds.
This skill provides guidance for configuring and running LLM evaluations using Promptfoo, an open-source CLI tool for testing and comparing LLM outputs.
# Initialize a new evaluation project npx promptfoo@latest init # Run evaluation npx promptfoo@latest eval # View results in browser npx promptfoo@latest view
A typical Promptfoo project structure:
project/ ├── promptfooconfig.yaml # Main configuration ├── prompts/ │ ├── system.md ## Code Examples ### README.md
This directory contains automated demonstrations of each skill using VHS (Video Home System) by Charmbracelet.
VHS allows you to write terminal recordings as code, making demos reproducible, version-controllable, and typo-free.
demos/ ├── skill-creator/ │ ├── init-skill.tape # Initialize a new skill │ ├── validate-skill.tape # Validate skill quality │ └── package-skill.tape # Package for distribution ├── github-ops/ │ └── create-pr.tape # Create pull requests ├── markdown-tools/ │ └── convert-docs.tape # Convert documents └── generate_all_demos.sh # Generate all GIFs
Install VHS:
macOS:
brew install vhs
Linux (with Go):
go install github.com/charmbracelet/vhs@latest
Or download from: https://github.com/charmbracelet/vhs/releases
### generate_all_demos.sh
#!/bin/bash set -e
echo "================================================" echo "Generating Claude Code Skills Demo GIFs" echo "================================================" echo ""
GREEN='\033[0;32m' YELLOW='\033[1;33m' RED='\033[0;31m' NC='\033[0m' # No Color
if ! command -v vhs &> /dev/null; then echo -e "${RED}Error: VHS is not installed!${NC}" echo "" echo "Install VHS to generate demo GIFs:" echo "" echo "macOS:" echo " brew install vhs" echo "" echo "Linux (with Go):" echo " go install github.com/charmbracelet/vhs@latest" echo "" echo "Or download from: https://github.com/charmbracelet/vhs/releases" echo "" exit 1 fi
echo -e "${GREEN}✓ VHS found${NC}" echo ""
TAPE_FILES=$(find demos -name "*.tape" -type f | sort) TOTAL=$(echo "$TAPE_FILES" | wc -l | tr -d ' ') CURRENT=0
echo "Found $TOTAL demo tape files" echo ""
for tape_fi
### index.html
No automatic installation available. Please visit the source repository for installation instructions.
View Installation Instructions
1,500+ AI skills, agents & workflows. Install in 30 seconds. Part of the Torly.ai family.
© 2026 Torly.ai. All rights reserved.