Fable Mode MCP Server

by rex-codebaseio.github.REX-codebase/fable-modev1.3.5

Control plane for AI coding agents: time-locks writing, requires evidence for claims, runs adversarial review and keeps a sealed verification record.

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Active22d ago

Install Fable Mode MCP server

claude mcp add fable-engine -- uvx fable-engine

{
  "mcpServers": {
    "fable-engine": {
      "command": "uvx",
      "args": [
        "fable-engine"
      ]
    }
  }
}

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

{
  "mcpServers": {
    "fable-engine": {
      "command": "uvx",
      "args": [
        "fable-engine"
      ]
    }
  }
}

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

{
  "servers": {
    "fable-engine": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "fable-engine"
      ]
    }
  }
}

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

{
  "mcpServers": {
    "fable-engine": {
      "command": "uvx",
      "args": [
        "fable-engine"
      ]
    }
  }
}

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

Active — last maintenance signal 22d ago. The newest of the signals below sets the band.

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

Run: claude mcp add fable-engine -- uvx fable-engine. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Fable Mode require an API key?

No required environment variables are declared in its published metadata.

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

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

›Is Fable Mode in the official MCP registry?

Yes, as io.github.REX-codebase/fable-mode.

Other ai & llm tools MCP servers.