What is the key difference between Mast Nasa and Horizons Nasa?

Mast Nasa belongs to the Aerospace & Astrodynamics category with local stdio execution, while Horizons Nasa belongs to the Aerospace & Astrodynamics category with local stdio execution.

How do I install Mast Nasa or Horizons Nasa 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 Mast Nasa and Horizons Nasa free or paid?

Mast Nasa operates under a Free / Open Source model (No auth required). Horizons Nasa operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Mast Nasa lists 0 tools with 0 views and 0 GitHub stars. Horizons Nasa lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Mast Nasa and Horizons Nasa 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

Mast Nasa vs Horizons Nasa

In-depth architectural comparison of the Mast Nasa and Horizons Nasa 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

Mast Nasa

Aerospace & Astrodynamics · Local stdio

Quality: 33/100 (Emerging) | Auth: No auth required

Horizons Nasa

Aerospace & Astrodynamics · Local stdio

Quality: 32/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Mast Nasa if you need specialized Aerospace & Astrodynamics tools running via a local process. Choose Horizons Nasa 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 Mast Nasa 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 Mast Nasa Details

Choose Horizons Nasa 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 Horizons Nasa Details

Feature & Specification Comparison

Specification	M Mast Nasa Aerospace & Astrodynamics	H Horizons Nasa Aerospace & Astrodynamics
Summary	MAST (Mikulski Archive for Space Telescopes) — Hubble/JWST/Kepler/TESS	NASA JPL Horizons — solar-system body ephemerides
Category & Scope	Aerospace & Astrodynamics	Aerospace & Astrodynamics
Quality signal

Tools & Capabilities Breakdown

Mast Nasa Tools (0)

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

Horizons Nasa 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).

Mast Nasa Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mast-nasa": {
      "command": "npx",
      "args": [
        "-y",
        "mast-nasa"
      ]
    }
  }
}

Horizons Nasa Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "horizons-nasa": {
      "command": "npx",
      "args": [
        "-y",
        "horizons-nasa"
      ]
    }
  }
}

Frequently Asked Questions

Mast Nasa is categorized under Aerospace & Astrodynamics and uses a local stdio subprocess. In contrast, Horizons Nasa belongs to Aerospace & Astrodynamics using local stdio subprocess. Select Mast Nasa when you need capabilities focused on aerospace & astrodynamics and Horizons Nasa when you require tools for aerospace & astrodynamics.

More alternatives to Mast Nasa More alternatives to Horizons Nasa Aerospace & Astrodynamics category hub Canonical compare URL