Test skill

CLI tool that evaluates AI agent skills and produces quality scores. Works with any SKILL.md-based skill from skills.sh, ClawHub, GitHub, or local directories.From the repository description

Install

npx -y skills add joeynyc/skillscore --skill test-skill

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

4 things to look at

reads credentialsReads from 1 credential source: `OPENWEATHER_API_KEY`.
16 stars16 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
runs commandsInstructs the agent to run 2 commands, including `which curl` and 1 more.
fetches URLsInstructs the agent to fetch 1 URL, including http://api.openweathermap.org/data/2.5/weather?q=CITY&appid=$OPENWEATHER_API_KEY&units=metric.

SKILL.md

1.7 KB, 397 tokens by cl100k_base, as published. Nobody here has run it

Weather Information Fetcher

Fetches current weather data for any city using OpenWeatherMap API.

Dependencies

curl or wget for HTTP requests
OpenWeatherMap API key (free registration at openweathermap.org)
Environment variable: OPENWEATHER_API_KEY

Installation

Sign up for API key at https://openweathermap.org/api
Set environment variable: export OPENWEATHER_API_KEY=your_api_key
Ensure curl is installed: which curl

Usage

When user asks for weather information for a specific city
Extract the city name from the request
Make API call: curl "http://api.openweathermap.org/data/2.5/weather?q=CITY&appid=$OPENWEATHER_API_KEY&units=metric"
Parse the JSON response and format for user
Handle errors gracefully if city not found or API unavailable

Examples

# Example API call
curl "http://api.openweathermap.org/data/2.5/weather?q=London&appid=your_api_key&units=metric"

Expected response includes temperature, description, humidity, and pressure.

Error Handling

No API key: Prompt user to set OPENWEATHER_API_KEY environment variable
City not found: Return "City not found, please check spelling"
API down: Fallback to generic message "Weather service temporarily unavailable"
Network error: Retry once, then inform user of connection issue

Limitations

Requires internet connection
API has rate limits (1000 calls/day for free tier)
Only supports current weather (not forecasts)
City names must be in English

Troubleshooting

If you get "unauthorized" error:

Verify API key is correct
Check if key is activated (can take up to 10 minutes)
Ensure environment variable is set properly

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.