wtf is opencode-fable-pipeline?

opencode-fable-pipeline is a very small project that adds a single command, /fable-plan, to a tool called Open Code. The README for this project is quite short and does not go into detail about what the command actually does once run, what output it produces, or how the cost optimization it refers to in the project's one-line description actually works. Based on what is stated, its purpose is to plan something related to Fable, and to do so in a way described as cost optimized, though the README does not explain what is being optimized for cost or against what baseline. To use it, a person needs Open Code installed, along with an active OpenAI subscription and an active OpenRouter subscription, both of which need to be connected to Open Code first. Once those accounts are connected, the user simply types /fable-plan inside Open Code to invoke it. No further setup steps, configuration options, or usage examples are given in the README. Because the source material here is minimal, this explanation sticks closely to what the README states rather than guessing at implementation details. It appears to be a small utility or command extension rather than a full standalone application, built to slot into an existing Open Code and Fable workflow for people who already use both of those tools together. There is no description of the underlying code, no architecture diagram, and no changelog in the README, so it is not possible to say from the source alone how large or complex the shell scripts behind the command actually are. The project is licensed under the MIT License, meaning it can be freely used, modified, and shared, including for commercial purposes, as long as the original copyright notice is kept. Anyone considering this project should be aware that, based on the available documentation, it is a narrowly scoped helper rather than a general purpose tool.