Submit an Extension

Add your MCP server, plugin, skill, subagent, command, or hook to the cgcone registry. Free, open source, community-driven.

MCP Server or Plugin

Open a submission issue

Fill out the form and we'll add it to the registry within a few days.

Official MCP Registry

MCP servers listed at registry.modelcontextprotocol.io are automatically indexed into cgcone nightly.

Quick Start

1

Fork the repository

Fork github.com/Himanshu507/cgcone and clone it locally.

2

Add a markdown file

Create a .md file in the appropriate content/ directory with the required frontmatter fields.

3

Open a Pull Request

Submit your PR with a clear description of what you're adding. The registry is regenerated automatically on merge.

Content Types

Subagents

Specialized AI agents with specific capabilities and tool access.

content/subagents/
name
category
description
tools
tags

Skills

Reusable skill modules that can be invoked as needed.

content/skills/
name
category
description
allowedTools
model

Commands

Slash commands that trigger specific workflows.

content/commands/
name
category
description
argumentHint
prefix
tags

Hooks

Event-driven automation triggered by Claude actions.

content/hooks/
name
category
description
event
matcher
language
tags

MCP Servers

MCP servers are automatically fetched from two sources on a nightly schedule:

Official

Model Context Protocol Registry

registry.modelcontextprotocol.io - verified and community servers

Docker

Docker Hub MCP Organization

hub.docker.com/u/mcp - containerized MCP servers

Example File Format

content/subagents/my-agent.md
---
name: my-agent
category: developer-tools
description: Brief description of what this agent does.
tools: [Read, Write, Bash]
tags: [productivity, automation]
---

You are a specialized assistant focused on...
[System prompt content here]