Open Notify vs Hindsight

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

Open Notify logoOpen NotifyAerospace & Astrodynamics · Local subprocess (stdio)Open Notify MCP — ISS position + people in space56GoodAuth: not declaredHindsight logoHindsightKnowledge & Memory · Local subprocess (stdio)Hindsight: Agent Memory That Works Like Human Memory - Built for AI Agents to manage Long Term Memory57GoodAuth: api key required

Verdict: choose Open Notify for aerospace & astrodynamics work as a local process; choose Hindsight for knowledge & memory as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

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

Hindsight logoChoose Hindsight when

  • You need dedicated capabilities in the Knowledge & Memory domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: API key required.
  • You have the keys it needs: HINDSIGHT_API_LLM_API_KEY, HINDSIGHT_API_LLM_PROVIDER, HINDSIGHT_DB_PASSWORD.
Explore Hindsight

Feature & specification comparison

Rows where the two servers differ are marked.

SpecOpen Notify logoOpen NotifyHindsight logoHindsight
CategoryAerospace & AstrodynamicsKnowledge & Memory
Quality signal56/100 · Good57/100 · Good
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredAPI key required
PricingNot declaredFree
Required env varsNone listedHINDSIGHT_API_LLM_API_KEYHINDSIGHT_API_LLM_PROVIDERHINDSIGHT_DB_PASSWORD
Verified ownerCommunity listingCommunity listing
GitHub stars052,712
Directory activity 2 views 0 installs 0 upvotes 13 views 0 installs 0 upvotes
Tools2Not listed

Tools & capabilities

Open Notify tools 2

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

Hindsight tools

No tool names declared yet. Check the project README from the listing page.

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.

Open Notify

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

Hindsight

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "vectorize-io-hindsight": {
      "command": "npx",
      "args": [
        "-y",
        "@vectorize-io/hindsight-coding-agents"
      ],
      "env": {
        "HINDSIGHT_API_LLM_API_KEY": "YOUR_HINDSIGHT_API_LLM_API_KEY_HERE",
        "HINDSIGHT_API_LLM_PROVIDER": "YOUR_HINDSIGHT_API_LLM_PROVIDER_HERE",
        "HINDSIGHT_DB_PASSWORD": "YOUR_HINDSIGHT_DB_PASSWORD_HERE"
      }
    }
  }
}

Frequently asked questions

Open Notify is categorized under Aerospace & Astrodynamics and uses a local stdio subprocess. Hindsight belongs to Knowledge & Memory and uses a local stdio subprocess. Pick Open Notify for aerospace & astrodynamics work and Hindsight for knowledge & memory.

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.

Open Notify has no declared pricing — check the project's own site. Hindsight is listed as free. Auth: api key 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 open-notify and vectorize-io-hindsight as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Open Notify has a quality signal of 56/100 (Good) with 2 views, 0 installs and 0 GitHub stars. Hindsight has 57/100 (Good) with 13 views, 0 installs and 52,712 GitHub stars.