HelioSPICE

About HelioSPICE

Use HelioSPICE with your agent

claude mcp add heliospice -- uvx heliospice

{
  "mcpServers": {
    "heliospice": {
      "command": "uvx",
      "args": [
        "heliospice"
      ]
    }
  }
}

Frequently asked questions

What is HelioSPICE?

HelioSPICE is an MCP (Model Context Protocol) server by huangzesen. Spacecraft ephemeris made easy — auto-managed SPICE kernels for heliophysics

How do I connect HelioSPICE to Claude, Cursor, or another MCP client?

Install HelioSPICE from its pypi package (heliospice) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.

Is HelioSPICE open source?

Yes — the source code is public at github.com/huangzesen/heliospice.

Can AI agents pay to use HelioSPICE?

Not yet through Loomal — HelioSPICE is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.