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claude mcp add celestial-node -e CELESTIAL_NODE_API_KEY=<CELESTIAL_NODE_API_KEY> -- npx -y [email protected]{
"mcpServers": {
"celestial-node": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"CELESTIAL_NODE_API_KEY": "<CELESTIAL_NODE_API_KEY>"
}
}
}
}{
"mcpServers": {
"celestial-node": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"CELESTIAL_NODE_API_KEY": "<CELESTIAL_NODE_API_KEY>"
}
}
}
}{
"servers": {
"celestial-node": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"CELESTIAL_NODE_API_KEY": "<CELESTIAL_NODE_API_KEY>"
}
}
}
}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
| Name | Description |
|---|---|
CELESTIAL_NODE_API_KEYOptional | Optional API key for higher rate limits (100/day vs 25/hr). Get yours at https://celestialnode.com/register |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 22 Feb 2026 |
| Last updated | 22 Feb 2026 |
| Registry name | io.github.christerso/celestial-node |
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