Claude Skills Marketplace

A curated marketplace of Claude Code plugins with skills, commands, agents, and MCP server configurations.

Quick Start

Step 1: Add the Marketplace

/plugin marketplace add trancong12102/ccc

Step 2: Install Plugins

# Browse available plugins
/plugin

# Install core plugin
/plugin install ccc-core@ccc

# Install external skills plugin
/plugin install ccc-external@ccc

Use with Other Coding Agents

Install skills using Vercel's add-skill:

bunx add-skill -a antigravity -y -g trancong12102/ccc

Available Skills

| Skill | Description | |-------|-------------| | brainstorming | Collaboratively explore ideas through guided dialogue before implementation | | context7 | Look up documentation for any library using Context7 | | commit | Generate git commit messages following Conventional Commits spec | | deps-dev | Look up latest package versions using deps.dev API | | exa | Web search, crawling, and code context retrieval | | oracle | Deep analysis via powerful reasoning model (Codex CLI) | | test-driven-development | Guide strict TDD using Red-Green-Refactor cycle |

External Skills (ccc-external)

Skills synced from third-party repositories. These are automatically checked for updates daily.

| Skill | Source | Description | |-------|--------|-------------| | logging-best-practices | boristane/agent-skills | Logging best practices focused on wide events for debugging and analytics | | react-best-practices | vercel-labs/agent-skills | React and Next.js performance optimization guidelines | | web-design-guidelines | vercel-labs/agent-skills | Web interface design guidelines for UI code review |

Recommended Marketplaces

These community skills work great alongside this marketplace:

| Repository | Description | |------------|-------------| | vercel-labs/agent-browser | Browser automation for web testing, form filling, screenshots, and data extraction | | ast-grep/claude-skill | Structural code search using AST patterns |

Install external skills:

# Using Claude Code
/plugin marketplace add <owner>/<repo>

# Using add-skill (for other agents)
bunx add-skill -a antigravity -y -g <owner>/<repo>

Prerequisites

Some skills require API keys to be set as environment variables:

| Variable | Skill | Description | |----------|-------|-------------| | CONTEXT7_API_KEY | context7 | API key for Context7 documentation lookup | | EXA_API_KEY | exa | API key for Exa web search and content extraction |

Setup Notes

Enable Marketplace Auto-Update

To keep your plugins up to date automatically, enable marketplaces auto-update in your Claude Code settings

Oracle Skill

The oracle skill requires Codex CLI to be installed. Install it and configure the profile below to enable invoking gpt-5.2 (xhigh) for complex reasoning tasks.

Add this profile to your Codex config.toml:

[profiles.oracle]
model = "gpt-5.2"
model_reasoning_effort = "xhigh"
approval_policy = "never"
sandbox_mode = "read-only"

[sandbox_workspace_write]
network_access = true

[features]
web_search_request = true

See the Codex CLI documentation for setup instructions.

License

MIT License