The readme specifies: > For a **single plugin**, move your plugin folder contents to the repository root, keep one `.cursor-plugin/plugin.json`, and remove `.cursor-plugin/marketplace.json`. but the validator is checking for `marketplace.json` first thing https://github.com/cursor/plugin-template/blob/8cbb16496a1d03986f72cd7123f6d6a0a17dcc8e/scripts/validate-template.mjs#L251