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MarsAI Weather Forecast
by
mars82311111
· GitHub ↗
· v1.0.0
· MIT-0
144
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0
Stars
1
Active Installs
1
Versions
Install in OpenClaw
/install marsai-weather-forecast
Description
Get current weather and forecasts (no API key required).
README (SKILL.md)
Weather
Two free services, no API keys needed.
wttr.in (primary)
Quick one-liner:
curl -s "wttr.in/London?format=3"
# Output: London: ⛅️ +8°C
Compact format:
curl -s "wttr.in/London?format=%l:+%c+%t+%h+%w"
# Output: London: ⛅️ +8°C 71% ↙5km/h
Full forecast:
curl -s "wttr.in/London?T"
Format codes: %c condition · %t temp · %h humidity · %w wind · %l location · %m moon
Tips:
- URL-encode spaces:
wttr.in/New+York - Airport codes:
wttr.in/JFK - Units:
?m(metric)?u(USCS) - Today only:
?1· Current only:?0 - PNG:
curl -s "wttr.in/Berlin.png" -o /tmp/weather.png
Open-Meteo (fallback, JSON)
Free, no key, good for programmatic use:
curl -s "https://api.open-meteo.com/v1/forecast?latitude=51.5&longitude=-0.12¤t_weather=true"
Find coordinates for a city, then query. Returns JSON with temp, windspeed, weathercode.
Usage Guidance
This skill is coherent and low-risk: it only uses curl to fetch data from wttr.in and Open‑Meteo (both public, no-key services). Be aware that using it causes network requests to those third parties and (if you run the PNG example) will write a file to /tmp. If provenance matters to you, note the small ownerId mismatch between the registry metadata and the _meta.json — that suggests the package metadata should be verified before trusting the publisher, but it does not change the skill's behavior.
Capability Analysis
Type: OpenClaw Skill
Name: marsai-weather-forecast
Version: 1.0.0
The skill bundle provides legitimate instructions for retrieving weather information using curl from well-known public APIs (wttr.in and open-meteo.com). There is no evidence of malicious intent, data exfiltration, or unauthorized command execution in SKILL.md or _meta.json.
Capability Assessment
Purpose & Capability
Name/description (weather, no API key) match the instructions and required binaries. The only required binary is curl, which is exactly what the SKILL.md uses. One minor provenance inconsistency: the _meta.json ownerId differs from the registry ownerId in the provided metadata — this affects provenance but not the skill's functionality.
Instruction Scope
SKILL.md contains only curl examples against wttr.in and Open‑Meteo and formatting tips. Commands are limited to fetching weather data (including an example writing a PNG to /tmp). The instructions do not request unrelated files, credentials, or arbitrary system access.
Install Mechanism
No install spec and no code files — instruction-only skill. This is low-risk because nothing is downloaded or written by an installer.
Credentials
The skill requires no environment variables, secrets, or config paths. That is proportional to a simple HTTP-based weather query service.
Persistence & Privilege
Defaults are used (always: false, model invocation enabled). The skill does not request persistent presence or elevated privileges and does not modify other skills or system settings.
How to Use
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install marsai-weather-forecast - After installation, invoke the skill by name or use
/marsai-weather-forecast - Provide required inputs per the skill's parameter spec and get structured output
Version History
v1.0.0
- Initial release of weather skill.
- Get current weather and forecasts for any location without an API key.
- Uses wttr.in for human-friendly output (text or PNG).
- Includes Open-Meteo as a fallback, providing JSON forecasts.
- Requires curl; no additional dependencies.
Metadata
Frequently Asked Questions
What is MarsAI Weather Forecast?
Get current weather and forecasts (no API key required). It is an AI Agent Skill for Claude Code / OpenClaw, with 144 downloads so far.
How do I install MarsAI Weather Forecast?
Run "/install marsai-weather-forecast" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is MarsAI Weather Forecast free?
Yes, MarsAI Weather Forecast is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does MarsAI Weather Forecast support?
MarsAI Weather Forecast is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created MarsAI Weather Forecast?
It is built and maintained by mars82311111 (@mars82311111); the current version is v1.0.0.
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