Preview environments on your self-hosted Spawner server: a copy of your app for each git branch
Connect Runs on your machine
claude mcp add spawner -e SPAWNER_URL=<SPAWNER_URL> -e SPAWNER_TOKEN=<SPAWNER_TOKEN> -- npx -y [email protected]{
"mcpServers": {
"spawner": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SPAWNER_URL": "<SPAWNER_URL>",
"SPAWNER_TOKEN": "<SPAWNER_TOKEN>"
}
}
}
}{
"mcpServers": {
"spawner": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SPAWNER_URL": "<SPAWNER_URL>",
"SPAWNER_TOKEN": "<SPAWNER_TOKEN>"
}
}
}
}{
"servers": {
"spawner": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SPAWNER_URL": "<SPAWNER_URL>",
"SPAWNER_TOKEN": "<SPAWNER_TOKEN>"
}
}
}
}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 |
|---|---|
SPAWNER_URLOptional | Address of your Spawner server's dashboard, such as https://spawner.preview.example.com. Without it, the server of spawner login |
SPAWNER_TOKENOptional, secret | Personal API token (spn_...), from spawner token create or the dashboard. Without it, the token of spawner login |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 11 Oct 2026 |
| Last updated | 11 Oct 2026 |
| Registry name | io.github.Flosk6/spawner |
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