What weather data does this MCP server provide?

The Virga Weather API server provides current conditions, hourly forecasts, daily forecasts, and historical weather data. You can query weather for any location and integrate it into your AI agent or application.

How do I set up authentication for the Virga Weather server?

You need a VIRGA_API_KEY environment variable set before running the server. Get a free API key at https://virga.dev/agent, then pass it as an environment variable when starting the MCP server.

Can I use this server to get historical weather data?

Yes, the Virga Weather API includes historical weather data access, allowing you to retrieve past weather conditions for analysis and comparison.

What transport protocol does this MCP server use?

The server uses stdio transport, which means it communicates via standard input/output streams. Install it with `npx @virga-mcp/server@0.1.2` and configure it in your MCP client.

Is there a free tier for the Virga Weather API?

Yes, you can get a free API key at https://virga.dev/agent to start using the weather data tools. Check Virga's pricing page for details on rate limits and paid plans.

MCP ServerSTDIOOfficialv0.1.3

Virga Weather MCP Server

Query current weather, hourly forecasts, daily forecasts, and historical weather data via the Virga Weather API. Built for developers who need programmatic access to weather information in their AI agents and applications.

io.github.mcmurrym/virga-weather

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Hosted URL

Local install

Transport

STDIO

Auth

1 required env var

What the Virga Weather MCP server does

How models use it and what it is built for.

Connect to Virga Weather

Local install — runs as a subprocess.

npx @virga-mcp/server@0.1.2

Environment variables

Configuration this server reads at startup.

VIRGA_API_KEYRequiredSecret
Virga API key (get one free at https://virga.dev/agent)

Resources

Where to find authoritative docs and source for Virga Weather.

Example prompts for Virga Weather

Paste any of these into Agent Studio after connecting Virga Weather.

Get the current weather and hourly forecast for San Francisco
Fetch the 7-day daily forecast for New York City
What was the historical weather data for London on January 15, 2023
Compare temperature trends across hourly forecasts for three different cities

Virga Weather MCP server — FAQ

Common questions about connecting and running Virga Weather.

What weather data does this MCP server provide?
The Virga Weather API server provides current conditions, hourly forecasts, daily forecasts, and historical weather data. You can query weather for any location and integrate it into your AI agent or application.
How do I set up authentication for the Virga Weather server?
You need a VIRGA_API_KEY environment variable set before running the server. Get a free API key at https://virga.dev/agent, then pass it as an environment variable when starting the MCP server.
Can I use this server to get historical weather data?
Yes, the Virga Weather API includes historical weather data access, allowing you to retrieve past weather conditions for analysis and comparison.
What transport protocol does this MCP server use?
The server uses stdio transport, which means it communicates via standard input/output streams. Install it with `npx @virga-mcp/server@0.1.2` and configure it in your MCP client.
Is there a free tier for the Virga Weather API?
Yes, you can get a free API key at https://virga.dev/agent to start using the weather data tools. Check Virga's pricing page for details on rate limits and paid plans.

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