Codex Power Platform Plugins

A Codex plugin marketplace for Power Platform development workflows.

Available plugin

Canvas Apps for Codex

plugins/canvas-apps-codex creates and edits Power Apps Canvas Apps through the Canvas Authoring MCP server and a live Power Apps Studio coauthoring session.

The current package is 3.0.3-codex.1, based on Microsoft Canvas Apps plugin v3.0.3 at commit 0b9b038.

Its supported skill entrypoints are:

• $canvas-app
• $configure-canvas-mcp
• $add-data-source
• $report-issue

Install

Add this repository as a marketplace:

codex plugin marketplace add https://github.com/justdevcode/codex-power-platform-plugins.git --ref main

Start Codex, open /plugins, select Power Platform Plugins, and install Canvas Apps for Codex. Restart Codex when prompted.

After installation, open /mcp and confirm that canvas-authoring is listed. Then open the target Canvas App in Power Apps Studio, keep its coauthoring tab open, and run $configure-canvas-mcp.

Repository structure

.agents/plugins/marketplace.json       Marketplace definition
plugins/canvas-apps-codex/             Codex plugin package
  .codex-plugin/plugin.json            Package manifest
  .mcp.json                            Canvas Authoring server registration
  hooks/                               Prompt-time sync reminder
  skills/                              User-facing workflows
  agents/                              Planner and screen-builder instructions
  references/                          Microsoft v3 authoring guidance

Attribution

The Canvas Apps plugin is adapted from Microsoft's Power Platform skills repository and retains Microsoft-authored workflow and reference material under the MIT License. This repository is independently maintained and is not an official Microsoft release.