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XHelio-SPICE

io.github.huangzesen/xhelio-spice · v0.5.1

Spacecraft ephemeris made easy — auto-managed SPICE kernels for heliophysics

Connect Runs on your machine

Terminal
claude mcp add xhelio-spice -e XHELIO_SPICE_KERNEL_DIR=<XHELIO_SPICE_KERNEL_DIR> -- uvx xhelio-spice==0.5.1
claude_desktop_config.json
{
  "mcpServers": {
    "xhelio-spice": {
      "command": "uvx",
      "args": [
        "xhelio-spice==0.5.1"
      ],
      "env": {
        "XHELIO_SPICE_KERNEL_DIR": "<XHELIO_SPICE_KERNEL_DIR>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "xhelio-spice": {
      "command": "uvx",
      "args": [
        "xhelio-spice==0.5.1"
      ],
      "env": {
        "XHELIO_SPICE_KERNEL_DIR": "<XHELIO_SPICE_KERNEL_DIR>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "xhelio-spice": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "xhelio-spice==0.5.1"
      ],
      "env": {
        "XHELIO_SPICE_KERNEL_DIR": "<XHELIO_SPICE_KERNEL_DIR>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
XHELIO_SPICE_KERNEL_DIR
Optional
Override the default kernel cache directory (~/.xhelio_spice/kernels/)

Details

Package[email protected] (PYPI, stdio)
First published12 Mar 2026
Last updated12 Mar 2026
Registry nameio.github.huangzesen/xhelio-spice

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