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cortex-prompt

v1.9.1

Build a production-ready prompt package — system prompt, few-shot examples, output format, edge case handling, eval criteria. Use when asked to "prompt engineering", "build a prompt", "write a system prompt", or "improve this prompt".

Claude Code1 Skill

By tonone-aiLicense: MIT2.7k GitHub starsUpdated 6 hours ago

Directory evidence

Runtimes
Claude Code
Parsed components
1 skill or MCP entry
Source updated
Aug 27, 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 plugin

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install cortex-prompt-2@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. 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/jeremylongshore/tons-of-skills-marketplace

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/ai-agency/tonone/skills/cortex-prompt/.

Plugin files

plugins/ai-agency/tonone/skills/cortex-prompt/
├── .claude-plugin/plugin.json
└── SKILL.md

Included Skills1

cortex-promptSKILL.md

Build a production-ready prompt package — system prompt, few-shot examples, output format, edge case handling, eval criteria. Use when asked to "prompt engineering", "build a prompt", "write a system prompt", or "improve this prompt".

Plugin manifests1

plugins/ai-agency/tonone/skills/cortex-prompt/.claude-plugin/plugin.json
{
  "name": "cortex-prompt",
  "version": "1.9.1",
  "description": "Build a production-ready prompt package — system prompt, few-shot examples, output format, edge case handling, eval criteria. Use when asked to \"prompt engineering\", \"build a prompt\", \"write a system prompt\", or \"improve this prompt\".",
  "author": {
    "name": "tonone-ai",
    "url": "https://tonone.ai"
  },
  "repository": "https://github.com/tonone-ai/tonone",
  "license": "MIT",
  "type": "skill",
  "keywords": [
    "cortex",
    "skill"
  ]
}

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.

[cortex-prompt on Agent Plugins Marketplace](https://pluginsmp.com/plugins/cortex-prompt-2)