x-plan

v0.3.0

Quick, Standard, and Ultra implementation planning with validated artifacts

CodexClaude Code1 Skill

By x-meshLicense: MIT0 GitHub starsUpdated 1 hour ago

Directory evidence

Runtimes: Codex and Claude Code
Parsed components: 1 skill or MCP entry
Source updated: Sep 28, 2026
Manifest status: Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install x-plan for Codex and Claude Code

Installs for the current user

codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add x-plan@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually

$ git clone https://github.com/x-mesh/xm

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is x-plan/.

Plugin files

x-plan/

├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
└── skills/plan/SKILL.md

Included Skills1

planskills/plan/SKILL.md

Produce an implementation plan from requirements, show it as readable Markdown, and persist a machine-readable PlanEnvelope under .xm/plan. Use for planning without x-build lifecycle or execution.

Plugin manifests2

x-plan/.codex-plugin/plugin.json

{
  "name": "x-plan",
  "version": "0.3.0",
  "description": "Quick, Standard, and Ultra implementation planning with validated artifacts",
  "author": {
    "name": "x-mesh",
    "url": "https://github.com/x-mesh"
  },
  "homepage": "https://github.com/x-mesh/xm",
  "repository": "https://github.com/x-mesh/xm",
  "license": "MIT",
  "keywords": [
    "planning",
    "json",
    "multi-model",
    "requirements"
  ],
  "skills": "./skills/",
  "interface": {
    "displayName": "x-plan",
    "shortDescription": "Create readable plans with saved artifacts",
    "longDescription": "Choose Quick scaffold, Standard interview and critique, or Ultra multi-model synthesis, then persist a validated PlanEnvelope artifact.",
    "developerName": "x-mesh",
    "category": "Productivity",
    "capabilities": [
      "Planning",
      "Validation"
    ],
    "websiteURL": "https://github.com/x-mesh/xm",
    "defaultPrompt": [
      "Plan these requirements and ask whether to use Quick, Standard, or Ultra mode.",
      "Create an ultra multi-model plan for this feature."
    ]
  }
}

x-plan/.claude-plugin/plugin.json

{
  "name": "plan",
  "version": "0.3.0",
  "description": "Quick, Standard, and Ultra implementation planning with validated artifacts",
  "author": {
    "name": "x-mesh"
  },
  "repository": "https://github.com/x-mesh/xm",
  "homepage": "https://github.com/x-mesh/xm",
  "license": "MIT",
  "keywords": [
    "planning",
    "interactive",
    "dag",
    "requirements"
  ],
  "skills": "./skills/"
}