keyline MCP Server: Install & Setup

Install keyline in Claude Code

MCP Bundle (.mcpb)

Claude Code

curl -LO https://github.com/keyline-dev/keyline/releases/download/v0.8.1/keyline-mcp-0.8.1.mcpb

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

Download keyline-mcp-0.8.1.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

Docker

Claude Code

claude mcp add keyline -- docker run -i --rm ghcr.io/keyline-dev/keyline-mcp:0.8.1

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "keyline": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/keyline-dev/keyline-mcp:0.8.1"
      ]
    }
  }
}

Frequently asked questions

What does the keyline MCP server do?

Design engine for AI agents: images at every size, no Chrome, 2× fewer tokens

Is the keyline MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does keyline run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add keyline to Claude Code?

Run: curl -LO https://github.com/keyline-dev/keyline/releases/download/v0.8.1/keyline-mcp-0.8.1.mcpb

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