About AgentHub
AgentHub is the open-source registry for discovering and sharing AI coding agents across multiple platforms — Claude Code, Gemini CLI, and OpenAI Codex CLI. Like Smithery for MCP servers, AgentHub helps developers discover, share, and collect agents for their AI-powered development workflows.
What is AgentHub?
AgentHub is a centralized registry where developers can browse, search, and install AI coding agents. Agents are autonomous AI-powered assistants that can plan, execute, and verify development tasks within CLI-based coding tools. They range from high-level orchestrators to focused specialist workers.
Supported Platforms
Claude Code
Anthropic's CLI coding agent. Agents are defined as .md files in .claude/agents/ directories.
Gemini CLI
Google's CLI coding agent. Agents are defined as .md files in .gemini/agents/ directories.
Codex CLI
OpenAI's CLI coding agent. Agents are defined as .toml files in .codex/agents/ directories.
Agent Categories
Orchestrators
Meta-agents that coordinate multi-agent workflows, classify intent, route to optimal models, and delegate to specialized sub-agents. They manage the big picture.
Specialists
Domain experts with deep knowledge in specific areas like security, architecture, testing, or code review. They provide expert-level analysis and recommendations.
Workers
Focused executors that handle implementation, code generation, refactoring, and other hands-on development tasks. They build and ship.
Analysts
Read-only advisors that provide strategic counsel, code review, performance analysis, and architectural guidance without making changes.
Workflow Stages
Each agent participates in one or more stages of the development workflow. Stages are automatically classified based on the agent's description, tools, and model.
Discover
Codebase exploration, file search, information gathering
Plan
Requirements analysis, architecture design, strategy
Implement
Code writing, feature building, refactoring
Review
Code review, security audit, quality inspection
Verify
Testing, QA, validation, coverage checks
Debug
Debugging, root cause analysis, error tracing
Operate
Git operations, deployment, documentation, releases
Cross-Platform Compatibility
SKILL.md Open Standard
SKILL.md is a shared open standard adopted across Claude Code, Gemini CLI, and Codex CLI. It defines a portable format for agent skills that can work across all three platforms, enabling a unified ecosystem of reusable AI coding capabilities.
Model Tiers
Each platform has its own model ecosystem. Agent definitions specify which model to use within their platform.
Claude Code
Deep reasoning, complex architecture
Balanced coding, most tasks
Fast and lightweight
Gemini CLI
Deep reasoning and analysis
Fast and efficient
Codex CLI
Strong coding and reasoning
Speed and efficiency
How Auto-Collection Works
1. Discover
The collector scans known GitHub repositories for agent definition files across all supported platforms.
2. Parse
Markdown frontmatter and TOML configs are extracted and normalized into a consistent data model with descriptions, capabilities, and install commands.
3. Merge
New entries are merged with the existing registry, deduplicating by slug. The collection can be triggered manually or via scheduled cron jobs.
How to Contribute
There are several ways to contribute to AgentHub:
- Submit via the form — Use the Submit page to add your agent directly.
- Open a Pull Request — Add entries to the JSON data files and submit a PR on GitHub.
- Report Issues — Found a bug or have a feature request? Open an issue on the GitHub repository.
- Improve the Platform — The entire application is open source. Contributions to the codebase are welcome.
Tech Stack
References
- Claude Code -- Official Claude Code CLI by Anthropic
- Gemini CLI -- Official Gemini CLI by Google
- Codex CLI -- Official Codex CLI by OpenAI
- Oh My Claude Code -- Agent and plugin ecosystem for Claude Code
- Maestro Gemini -- Multi-agent orchestration for Gemini CLI