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

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

How do I install Astronomy Oracle or VäderKollen — Nordic Weather 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 Astronomy Oracle and VäderKollen — Nordic Weather free or paid?

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

Which MCP server has more tools and community activity?

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

Can I use both Astronomy Oracle and VäderKollen — Nordic Weather 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

Astronomy Oracle vs VäderKollen — Nordic Weather

In-depth architectural comparison of the Astronomy Oracle and VäderKollen — Nordic Weather 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

Astronomy Oracle

Aerospace & Astrodynamics · Local stdio

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

VäderKollen — Nordic Weather

Aerospace & Astrodynamics · Local stdio

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

Verdict Summary: Choose Astronomy Oracle if you need specialized Aerospace & Astrodynamics tools running via a local process. Choose VäderKollen — Nordic Weather 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 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

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

Feature & Specification Comparison

Specification	Astronomy Oracle gregario Aerospace & Astrodynamics	V VäderKollen — Nordic Weather Aerospace & Astrodynamics
Summary	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	Nordic weather: forecasts, warnings, HD radar, rain nowcast, lightning, aurora, satellite AI.
Category & Scope	Aerospace & Astrodynamics

Tools & Capabilities Breakdown

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.

VäderKollen — Nordic Weather Tools (0)

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

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).

Astronomy Oracle Configuration

mcpServers (Claude Desktop / Cursor)

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

VäderKollen — Nordic Weather Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Astronomy Oracle More alternatives to VäderKollen — Nordic Weather Aerospace & Astrodynamics category hub