Spawner MCP Server

Spawner is an MCP integration. Preview environments on your self-hosted Spawner server: a copy of your app for each git branch.

Packages and local setup

The published npm package is spawner-cli, version 2.2.1. Its declared MCP transport is stdio.

The package declares SPAWNER_URL: Address of your Spawner server's dashboard, such as https://spawner.preview.example.com. Without it, the server of spawner login; SPAWNER_TOKEN: Personal API token (spn_...), from spawner token create or the dashboard. Without it, the token of spawner login.

This package has launch arguments in its registry record. Use the maintainer’s configuration for those arguments rather than launching it with only the package name.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 2.2.1 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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