Server Everything vs Open Notify

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

Server Everything logoServer EverythingOther Tools and Integrations · Local subprocess (stdio)MCP server that exercises all the features of the MCP protocol73GreatAuth: no auth requiredOpen Notify logoOpen NotifyAerospace & Astrodynamics · Local subprocess (stdio)Open Notify MCP — ISS position + people in space56GoodAuth: not declared

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

Which MCP server should you choose?

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

Open Notify logoChoose Open Notify when

  • You need dedicated capabilities in the Aerospace & Astrodynamics domain.
  • You prefer a local stdio subprocess transport.
  • You want tools like iss_now, astros.
Explore Open Notify

Feature & specification comparison

Rows where the two servers differ are marked.

SpecServer Everything logoServer EverythingOpen Notify logoOpen Notify
CategoryOther Tools and IntegrationsAerospace & Astrodynamics
Quality signal73/100 · Great56/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars91,4050
Directory activity 9 views 0 installs 0 upvotes 2 views 0 installs 0 upvotes
Tools92

Tools & capabilities

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

Open Notify tools 2

  • iss_nowCurrent latitude / longitude of the International Space Station.
  • astrosPeople currently in space — name + craft (ISS / Tiangong / etc.).

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.

Server Everything

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

Open Notify

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

Frequently asked questions

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

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.

Server Everything is listed as free. Auth: no auth required. Open Notify has no declared pricing — check the project's own site. 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 modelcontextprotocol-server-everything and open-notify as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Server Everything has a quality signal of 73/100 (Great) with 9 views, 0 installs and 91,405 GitHub stars. Open Notify has 56/100 (Good) with 2 views, 0 installs and 0 GitHub stars.