What is the key difference between Nasa Cmr and Astronomy Oracle?

Nasa Cmr 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 Nasa Cmr 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 Nasa Cmr and Astronomy Oracle free or paid?

Nasa Cmr 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?

Nasa Cmr lists 3 tools with 0 views and 0 GitHub stars. Astronomy Oracle lists 3 tools with 6 views and 3 GitHub stars.

Can I use both Nasa Cmr 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

Nasa Cmr vs Astronomy Oracle

In-depth architectural comparison of the Nasa Cmr 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

Nasa Cmr

Aerospace & Astrodynamics · Local stdio

Quality: 43/100 (Fair) | Auth: No auth required

Astronomy Oracle

Aerospace & Astrodynamics · Local stdio

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

Verdict Summary: Choose Nasa Cmr 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 Nasa Cmr 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: search_collections, get_collection, search_granules.

Explore Nasa Cmr 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	N Nasa Cmr Aerospace & Astrodynamics	Astronomy Oracle gregario Aerospace & Astrodynamics
Summary	NASA CMR (Common Metadata Repository) MCP.	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

Nasa Cmr Tools (3)

search_collections

Search NASA's Common Metadata Repository for Earth-science dataset collections by keyword, platform (satellite/mission), instrument, time range, or bounding box. ~10k collections covering MODIS, Landsat, Sentinel, VIIRS, GPM, and every NASA DAAC. Sorted by usage. Keyless.

get_collection

Get full metadata for one NASA Earth-science collection by its CMR concept ID — summary, DOI/landing page, spatial coverage, temporal range, and access links. Keyless.

search_granules

List the individual data files (granules) of a NASA collection — newest first, with timestamps, file size, and direct download URLs. Filter by time range or bounding box. Keyless.

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.

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).

Nasa Cmr Configuration

mcpServers (Claude Desktop / Cursor)

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

Astronomy Oracle Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

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