Mast Nasa vs Server Everything

A side-by-side look at the Mast Nasa and Server Everything MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Mast Nasa logoMast NasaAerospace & Astrodynamics · Local subprocess (stdio)MAST (Mikulski Archive for Space Telescopes) — Hubble/JWST/Kepler/TESS59GoodAuth: not declaredServer Everything logoServer EverythingOther Tools and Integrations · Local subprocess (stdio)MCP server that exercises all the features of the MCP protocol73GreatAuth: no auth required

Verdict: choose Mast Nasa for aerospace & astrodynamics work as a local process; choose Server Everything for other tools and integrations as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Mast Nasa logoChoose Mast Nasa when

  • You need dedicated capabilities in the Aerospace & Astrodynamics domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like cone_search, mission_search, caom.
Explore Mast Nasa

Server Everything logoChoose Server Everything when

  • You need dedicated capabilities in the Other Tools and Integrations domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like create_entities, create_relations, add_observations.
Explore Server Everything

Feature & specification comparison

Rows where the two servers differ are marked.

SpecMast Nasa logoMast NasaServer Everything logoServer Everything
CategoryAerospace & AstrodynamicsOther Tools and Integrations
Quality signal59/100 · Good73/100 · Great
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars091,405
Directory activity 3 views 0 installs 0 upvotes 9 views 0 installs 0 upvotes
Tools49

Tools & capabilities

Mast Nasa tools 4

  • cone_searchSearch MAST around (RA, Dec).
  • mission_searchMission-scoped search with arbitrary criteria.
  • caomGeneric CAOM (Common Archive Observation Model) query.
  • lookup_nameResolve target name → coords.

Server Everything tools 9

  • create_entitiesCreate multiple new entities in the knowledge graph
  • create_relationsCreate multiple new relations between entities in the knowledge graph. Relations should be in active voice
  • add_observationsAdd new observations to existing entities in the knowledge graph
  • delete_entitiesDelete multiple entities and their associated relations from the knowledge graph
  • delete_observationsDelete specific observations from entities in the knowledge graph
  • delete_relationsDelete multiple relations from the knowledge graph
  • read_graphRead the entire knowledge graph
  • search_nodesSearch for nodes in the knowledge graph based on a query
  • open_nodesOpen specific nodes in the knowledge graph by their names

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Mast Nasa

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "mast-nasa": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-mast-nasa"
      ]
    }
  }
}

Server Everything

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "modelcontextprotocol-server-everything": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-memory"
      ]
    }
  }
}

Frequently asked questions

Mast Nasa is categorized under Aerospace & Astrodynamics and uses a local stdio subprocess. Server Everything belongs to Other Tools and Integrations and uses a local stdio subprocess. Pick Mast Nasa for aerospace & astrodynamics work and Server Everything for other tools and integrations.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Mast Nasa has no declared pricing — check the project's own site. Server Everything is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add mast-nasa and modelcontextprotocol-server-everything as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Mast Nasa has a quality signal of 59/100 (Good) with 3 views, 0 installs and 0 GitHub stars. Server Everything has 73/100 (Great) with 9 views, 0 installs and 91,405 GitHub stars.