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c-plan

v0.1.2

Resolve ambiguous user prompts by choosing whether to answer now, answer with assumptions, ask 1–2 high-value clarification questions, replan, or stop. Use when the best response depends on hidden intent, audience, scope, constraints, risk, output format, or desired depth.

CodexClaude Code1 Skill

By whichguyLicense: MIT0 GitHub starsUpdated 4 days ago

Directory evidence

Runtimes
Codex and Claude Code
Parsed components
1 skill or MCP entry
Source updated
Sep 20, 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 c-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 c-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/whichguy/skill-craft

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

Plugin files

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

Included Skills1

c-planskills/c-plan/SKILL.md

Resolve ambiguous user prompts by choosing whether to answer now, answer with assumptions, ask 1–2 high-value clarification questions, replan, or stop. Use when the best response depends on hidden intent, audience, scope, constraints, risk, output format, or desired depth.

Plugin manifests2

plugins/c-plan/.codex-plugin/plugin.json
{
  "name": "c-plan",
  "version": "0.1.2",
  "description": "Resolve ambiguous user prompts by choosing whether to answer now, answer with assumptions, ask 1–2 high-value clarification questions, replan, or stop. Use when the best response depends on hidden intent, audience, scope, constraints, risk, output format, or desired depth.",
  "author": {
    "name": "whichguy",
    "url": "https://github.com/whichguy"
  },
  "homepage": "https://github.com/whichguy/skill-craft",
  "repository": "https://github.com/whichguy/skill-craft",
  "license": "MIT",
  "keywords": [
    "skill-craft",
    "c-plan",
    "portable-skills",
    "prompt-only"
  ],
  "skills": "./skills/",
  "interface": {
    "displayName": "C Plan",
    "shortDescription": "Resolve ambiguous user prompts by choosing whether to answer now, answer with assumptions, ask 1–2 high-value…",
    "longDescription": "Resolve ambiguous user prompts by choosing whether to answer now, answer with assumptions, ask 1–2 high-value clarification questions, replan, or stop. Use when the best response depends on hidden intent, audience, scope, constraints, risk, output format, or desired depth.",
    "developerName": "whichguy",
    "category": "Productivity",
    "capabilities": [
      "Read"
    ],
    "defaultPrompt": [
      "Use $c-plan:c-plan for this task."
    ]
  }
}
plugins/c-plan/.claude-plugin/plugin.json
{
  "name": "c-plan",
  "version": "0.1.2",
  "description": "Resolve ambiguous user prompts by choosing whether to answer now, answer with assumptions, ask 1–2 high-value clarification questions, replan, or stop. Use when the best response depends on hidden intent, audience, scope, constraints, risk, output format, or desired depth.",
  "author": {
    "name": "whichguy",
    "url": "https://github.com/whichguy"
  },
  "homepage": "https://github.com/whichguy/skill-craft",
  "repository": "https://github.com/whichguy/skill-craft",
  "license": "MIT",
  "keywords": [
    "skill-craft",
    "c-plan",
    "portable-skills",
    "prompt-only"
  ]
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[c-plan on Agent Plugins Marketplace](https://pluginsmp.com/plugins/c-plan)