What is the key difference between VäderKollen — Nordic Weather and Astronomy Oracle?

VäderKollen — Nordic Weather belongs to the Aerospace & Astrodynamics category with local stdio execution, while Astronomy Oracle belongs to the Aerospace & Astrodynamics category with local stdio execution.

How do I install VäderKollen — Nordic Weather or Astronomy Oracle in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are VäderKollen — Nordic Weather and Astronomy Oracle free or paid?

VäderKollen — Nordic Weather operates under a Free / Open Source model (No auth required). Astronomy Oracle operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

VäderKollen — Nordic Weather lists 0 tools with 0 views and 0 GitHub stars. Astronomy Oracle lists 3 tools with 6 views and 3 GitHub stars.

Can I use both VäderKollen — Nordic Weather and Astronomy Oracle together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

VäderKollen — Nordic Weather vs Astronomy Oracle

In-depth architectural comparison of the VäderKollen — Nordic Weather and Astronomy Oracle MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

VäderKollen — Nordic Weather

Aerospace & Astrodynamics · Local stdio

Quality: 25/100 (Emerging) | Auth: No auth required

Astronomy Oracle

Aerospace & Astrodynamics · Local stdio

Quality: 65/100 (Great) | Auth: No auth required

Verdict Summary: Choose VäderKollen — Nordic Weather if you need specialized Aerospace & Astrodynamics tools running via a local process. Choose Astronomy Oracle if your workspace requires Aerospace & Astrodynamics integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose VäderKollen — Nordic Weather when:

You need dedicated capabilities in the Aerospace & Astrodynamics domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore VäderKollen — Nordic Weather Details

Choose Astronomy Oracle when:

You need dedicated capabilities in the Aerospace & Astrodynamics domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: lookup_object, search_objects, plan_session.

Explore Astronomy Oracle Details

Feature & Specification Comparison

Specification	V VäderKollen — Nordic Weather Aerospace & Astrodynamics	Astronomy Oracle gregario Aerospace & Astrodynamics
Summary	Nordic weather: forecasts, warnings, HD radar, rain nowcast, lightning, aurora, satellite AI.	Accurate astronomical catalog data and observing session planner. 13,000+ deep-sky objects from OpenNGC with deterministic visibility, rise/transit/set, and alt/az calculations. npx astronomy-oracle
Category & Scope	Aerospace & Astrodynamics

Tools & Capabilities Breakdown

VäderKollen — Nordic Weather Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Astronomy Oracle Tools (3)

lookup_object

Look up a celestial object by Messier number (e.g. M31), NGC/IC designation (e.g. NGC7000), or common name (e.g. Andromeda Galaxy). Optionally compute visibility from a given location and time.

search_objects

Search and filter the celestial object catalog by type, constellation, magnitude, angular size, or catalog membership. Returns a formatted table of matching objects sorted by brightness.

plan_session

Generate an observing session plan for a given location and date. Returns the best celestial objects to observe grouped by time window (evening, midnight, pre-dawn), scored by observability.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

VäderKollen — Nordic Weather Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "v-derkollen-nordic-weather": {
      "command": "npx",
      "args": [
        "-y",
        "v-derkollen-nordic-weather"
      ]
    }
  }
}

Astronomy Oracle Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "gregario-astronomy-oracle": {
      "command": "npx",
      "args": [
        "-y",
        "astronomy-oracle"
      ]
    }
  }
}

Frequently Asked Questions

VäderKollen — Nordic Weather is categorized under Aerospace & Astrodynamics and uses a local stdio subprocess. In contrast, Astronomy Oracle belongs to Aerospace & Astrodynamics using local stdio subprocess. Select VäderKollen — Nordic Weather when you need capabilities focused on aerospace & astrodynamics and Astronomy Oracle when you require tools for aerospace & astrodynamics.

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