Fable Mode

Name: Fable Mode
Author: @REX-codebase

by @REX-codebase / v1.3.5

Mechanical write gates, evidence receipts, and adversarial review for AI coding agents.

Install

PyPI / stdio

uvx fable-engine

Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)

{
  "mcpServers": {
    "io-github-rex-codebase-fable-mode": {
      "command": "uvx",
      "args": [
        "fable-engine"
      ]
    }
  }
}

Source: official MCP Registry record · registry name io.github.REX-codebase/fable-mode · published 2026-09-16 · updated 2026-09-16. Not an endorsement; review the code before connecting it to anything sensitive.

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