For AI agents: the complete documentation index is available at https://mfeflow.github.io/mfeflow/llms.txt, the full documentation bundle is available at https://mfeflow.github.io/mfeflow/llms-full.txt, and this page is available as Markdown at https://mfeflow.github.io/mfeflow/errors/E113.md.
mfeflow

    MFEFLOW_E113

    mfeflow.app.json is missing or invalid.

    Fix

    Give the app a valid mfeflow.app.json (name, owner, shells, routes, exposes). The schema is at https://mfeflow.github.io/mfeflow/schema/mfeflow-app.json.