Spawner MCP Server

by flosk6io.github.Flosk6/spawnerv2.2.1

Preview environments on your self-hosted Spawner server: a copy of your app for each git branch

0Node.jsstdioofficial registry

context tax

pending

security

pending

cold start

pending

freshness

pending

Our reading of Spawner, from the data

Spawner is a version control MCP server from flosk6, listed in the official MCP Registry.

We haven't measured its tool list yet, so its token cost is unknown.

With 0 GitHub stars it ranks #360 of 725 version control servers we index.

It runs locally on your machine over stdio and needs one secret (SPAWNER_TOKEN); use a scoped, least-privilege key.

Install Spawner MCP server

claude mcp add cli-flosk6 -e SPAWNER_TOKEN='<spawner-token>' -- npx -y spawner-cli mcp

{
  "mcpServers": {
    "cli-flosk6": {
      "command": "npx",
      "args": [
        "-y",
        "spawner-cli",
        "mcp"
      ],
      "env": {
        "SPAWNER_TOKEN": "<spawner-token>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "cli-flosk6": {
      "command": "npx",
      "args": [
        "-y",
        "spawner-cli",
        "mcp"
      ],
      "env": {
        "SPAWNER_TOKEN": "<spawner-token>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "cli-flosk6": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "spawner-cli",
        "mcp"
      ],
      "env": {
        "SPAWNER_TOKEN": "<spawner-token>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "cli-flosk6": {
      "command": "npx",
      "args": [
        "-y",
        "spawner-cli",
        "mcp"
      ],
      "env": {
        "SPAWNER_TOKEN": "<spawner-token>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
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	—	yes	Personal API token (spn_...), from spawner token create or the dashboard. Without it, the token of spawner login

Freshness

Not enough public signals yet to judge maintenance.

Last commit (default branch)
2026-10-11 · 7d ago · GitHub
Latest release
2026-10-11 · 7d ago · GitHub · v2.2.1
Package published
no data · npm/PyPI
Registry entry updated
2026-10-11 · 7d ago · official registry · v2.2.1

How it compares in Version Control

Against the most-starred version control servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
Spawner (this)	0	—	not measured	—	local
Git	91,356	—	not measured	Active	local
PostHog	40,338	—	not measured	Active	local + hosted
GitHub	33,740	—	not measured	Active	local + hosted
GitDiagram	18,313	3	864	Active	hosted
Skill Seekers	15,180	—	not measured	Active	—

All version control MCP servers

FAQ

›How do I install the Spawner MCP server in Claude Code?

Run: claude mcp add cli-flosk6 -e SPAWNER_TOKEN='<spawner-token>' -- npx -y spawner-cli mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Spawner require an API key?

Yes. It expects SPAWNER_TOKEN, of which 1 is a secret.

›Can I use Spawner as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Spawner in the official MCP registry?

Yes, as io.github.Flosk6/spawner.

Sources and method

Official MCP Registry entry: updated 2026-10-11
GitHub repository: fetched 2026-10-19
Package registry (npm / PyPI): listed
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Spot an error? Request a correction or claim the listing.