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Herdr

Herdr

AI

Herdr is a terminal-native agent multiplexer — every coding agent at a glance, real terminal views, detach and reattach anywhere without losing sessions.

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About Herdr

Herdr is a tmux-style agent multiplexer that lives in the terminal and is designed for the era of AI coding agents. It gives developers a single dashboard where every running agent is visible at a glance — blocked, working, or done — with real terminal views instead of a wrapped or interpreted UI. Sessions detach and reattach from any terminal or over SSH and survive restarts, so agents keep running in the background while the operator moves between machines. Agents themselves can use Herdr via a pure socket API: they can spawn panes, read output, and wait on each other, and there is a documented agent-skill so LLM tools can drive the multiplexer. It ships as a single Rust binary (no Electron) that runs in whatever terminal you already use, with plugins, keyboard and mouse first-class controls, and an AGPL 3.0 license.

Key Features

Agent Multiplexer: See every running coding agent at once with real terminal views — blocked, working, or done — instead of wrapped or interpreted output.
Detach and Reattach Anywhere: Sessions survive restarts and can be reattached from any terminal or over SSH so long-running agents keep working in the background.
Socket API for Agents: A pure socket API lets agents themselves spawn panes, read output, and wait on each other, with a documented agent-skill.
Keyboard + Mouse First Class: tmux-style prefix keys plus click, drag, and split — pick whichever interaction fits the moment.
Plugin Marketplace: Extend panes and workflows with plugins from the herdr.dev plugin marketplace.
Single Rust Binary: Distributed as one Rust binary (no Electron), installable via curl script, Homebrew, or mise, with a Windows PowerShell beta.

Use Cases

Coding Agent Fleet Management: Watch a swarm of Claude, Codex, or Cursor agents in one dashboard while they work on different repos.
Long-Running Agent Jobs: Kick off multi-hour agent tasks, detach, and reattach from a laptop later to check status without losing progress.
Remote Development: SSH into a workstation and reattach the exact multiplexer session, so agents keep running on the server between sessions.
Agent-to-Agent Orchestration: Use the socket API so one agent can spawn sub-agents in new panes and wait on their output.
Terminal-Centric Workflows: Replace ad-hoc tmux + shell tricks with a purpose-built multiplexer that understands agent lifecycles.

Frequently asked questions about Herdr

What is Herdr?

Herdr is a terminal-native agent multiplexer designed for developers, allowing users to manage multiple coding agents simultaneously. It provides real terminal views, enabling detachment and reattachment of sessions anywhere without losing progress, enhancing productivity and workflow efficiency.

Key Points

  • Terminal-Native Design: Herdr operates directly within the terminal, offering a seamless experience.
  • Multi-Agent Management: Users can view and control multiple coding agents at once.
  • Session Persistence: Detach and reattach to sessions without losing any data or context.

Detailed Explanation

Herdr's functionality revolves around its ability to manage multiple terminal sessions effectively. It operates as an agent multiplexer, allowing developers to open several coding environments within a single terminal window. This feature is particularly useful for developers who work on multiple projects simultaneously or need to shift between different programming languages and frameworks.

Key Features:

  • Real Terminal Views: Herdr provides a genuine terminal interface, ensuring users have a familiar environment.
  • Session Management: Users can easily detach from a session, allowing them to log out or switch devices without interrupting their workflow. When they log back in, they can reattach to their session seamlessly.
  • Cross-Platform Compatibility: Whether you’re using Linux, macOS, or Windows, Herdr integrates smoothly, ensuring a consistent experience across different operating systems.

For example, if a developer is working on a Python project but needs to switch to a Node.js task, they can simply detach from their Python session and reattach to the Node.js environment without losing any unsaved work.

Best Practices / Tips

  • Use Shortcuts: Familiarize yourself with keyboard shortcuts to switch between agents quickly, enhancing your efficiency.
  • Organize Sessions: Label your sessions clearly to avoid confusion, especially when managing multiple projects.
  • Regular Updates: Keep Herdr updated to benefit from the latest features and improvements for optimal performance.

Avoid common pitfalls such as not saving work before detaching or mixing unrelated sessions, which can complicate your workflow.

Additional Resources

How does Herdr work?

Herdr operates by integrating various functionalities such as real-time visibility of coding agents, detachable sessions for ongoing tasks, and a versatile socket API for seamless orchestration. This powerful tool enhances remote development and simplifies agent management, making it easier to monitor and control multiple coding agents effectively.

Key Points

  • Real-Time Agent Monitoring: View all active coding agents simultaneously.
  • Session Management: Detach and reattach to sessions without losing progress.
  • Flexible Interaction: Use both keyboard commands and mouse actions for convenience.

Detailed Explanation

Herdr is designed to optimize the management of coding agents like Claude, Codex, or Cursor. It features:

  1. Agent Multiplexer: This allows users to view all active coding agents with real terminal views, providing insights into their status—blocked, working, or completed. Users can easily monitor multiple tasks at once.

  2. Detach and Reattach Anywhere: Herdr's sessions are persistent, meaning you can detach from a session and later reattach from any terminal or via SSH. This feature is crucial for long-running agent jobs, allowing users to check on tasks without interrupting them.

  3. Socket API for Agents: The pure socket API enables agents to communicate efficiently, with capabilities to spawn new panes, read outputs, and synchronize their operations. This promotes effective agent-to-agent orchestration, facilitating complex workflows where one agent can manage sub-agents.

  4. Keyboard + Mouse Interaction: Herdr supports a hybrid interaction model, combining tmux-style prefix keys with intuitive mouse actions like clicking and dragging. This flexibility allows users to choose their preferred method of interaction for any given moment.

  5. Plugin Marketplace: The herdr.dev plugin marketplace provides a platform for extending functionalities. Users can enhance their workflows with various plugins tailored for specific needs, enriching their coding environment.

Best Practices / Tips

  • Utilize Persistent Sessions: Always detach from sessions instead of terminating them to prevent loss of progress on long-running tasks.
  • Explore the Plugin Marketplace: Regularly check for new plugins that could enhance your workflows or improve productivity.
  • Familiarize with Keyboard Shortcuts: Mastering keyboard shortcuts can significantly speed up your interactions within Herdr, making your coding sessions more efficient.
  • Monitor Agent Health: Regularly check the status of your agents to address any potential issues before they escalate.

Additional Resources

What are the main features of Herdr?

Herdr offers essential features such as a real-time Agent Multiplexer, seamless session management with detach and reattach capabilities, a flexible Socket API, intuitive keyboard and mouse interactions, and a Plugin Marketplace for enhanced workflows. These functionalities make Herdr a powerful tool for managing coding agents efficiently.

Key Points

  • Agent Multiplexer: Monitor all coding agents in real-time.
  • Detach and Reattach Anywhere: Sessions persist through restarts.
  • Socket API for Agents: Enables agents to manage their own output and interactions.

Detailed Explanation

Herdr is designed to optimize the management of coding agents through several key features:

  1. Agent Multiplexer: This feature allows users to view all active coding agents concurrently, providing a clear terminal interface. Users can see the status of each agent—whether it's blocked, actively working, or completed—without the confusion of wrapped or interpreted output. This visibility is crucial for efficient debugging and monitoring.

  2. Detach and Reattach Anywhere: Users can detach their sessions and reattach them from any terminal or via SSH. This ensures that long-running agents continue to operate in the background, making it ideal for developers who need flexibility in their workflow. For instance, if a user needs to switch devices or reconnect to a remote server, their session remains intact, allowing for seamless transitions.

  3. Socket API for Agents: The pure socket API empowers agents to manage their own processes, including spawning new panes and reading outputs as needed. This feature supports a documented agent-skill, enhancing the customization and extensibility of agent behavior, which is perfect for advanced users looking to create tailored workflows.

  4. Keyboard + Mouse First Class: Herdr incorporates tmux-style prefix keys for keyboard navigation, alongside mouse capabilities like clicking, dragging, and splitting panes. This hybrid interaction model allows users to choose their preferred method for managing agents, catering to both keyboard-centric and mouse-centric workflows.

  5. Plugin Marketplace: Users can extend their Herdr experience through the herdr.dev plugin marketplace. This feature enables the addition of custom plugins that can enhance panel functionalities and streamline workflows, making it easy to adapt Herdr to specific needs or preferences.

Best Practices / Tips

  • Regular Updates: Keep Herdr and its plugins updated to access the latest features and security enhancements.
  • Explore Plugins: Take time to explore the Plugin Marketplace to find tools that can significantly improve your productivity.
  • Utilize Shortcuts: Familiarize yourself with keyboard shortcuts to enhance your efficiency while using Herdr.

Additional Resources

Who is Herdr for?

Herdr is designed for developers and teams who require efficient management of coding agents. It supports features like monitoring a fleet of agents, handling long-running tasks, enabling remote development, orchestrating agents, and streamlining terminal workflows, making it ideal for anyone involved in coding and software development.

Key Points

  • Coding Agent Fleet Management: Monitor multiple agents in one place.
  • Long-Running Agent Jobs: Start extensive tasks and check their status later.
  • Remote Development: Maintain continuous sessions on a server.

Detailed Explanation

Herdr is particularly beneficial for software developers who need to manage various coding agents such as Claude, Codex, and Cursor. With Herdr, users can watch these agents operate across different repositories from a single dashboard, enhancing visibility and control.

Key Features:

  1. Coding Agent Fleet Management: Users can oversee a swarm of agents, making it easy to track their progress and coordinate efforts across multiple projects. For example, if a team is working on different modules of a larger application, Herdr allows seamless oversight of each agent's tasks.

  2. Long-Running Agent Jobs: Developers often initiate tasks that require significant time to complete. Herdr allows users to kick off these multi-hour jobs and detach from their sessions, enabling them to return later without losing any progress. This is particularly useful for tasks like data processing or large-scale code compilation.

  3. Remote Development: With Herdr, developers can SSH into their workstations, reattaching to the exact multiplexer session where agents continue to operate. This feature ensures that work does not halt when switching between devices.

  4. Agent-to-Agent Orchestration: Users can utilize the socket API to allow one agent to spawn sub-agents, enabling a modular approach to task management. This means that complex workflows can be broken down into manageable parts, improving efficiency.

  5. Terminal-Centric Workflows: Herdr replaces the need for complex shell tricks and tmux configurations with a user-friendly multiplexer that understands the lifecycles of agents. This integration simplifies terminal operations, allowing developers to focus on coding rather than managing tools.

Best Practices / Tips

  • Maximize Agent Utilization: Regularly monitor your agents to ensure optimal performance. Set up alerts for long-running tasks so you can intervene if necessary.
  • Use Documentation: Familiarize yourself with Herdr’s official documentation to leverage all available features effectively.
  • Test Different Configurations: Experiment with different agent setups to find the most efficient configuration for your specific development needs.

Additional Resources

How much does Herdr cost?

Herdr is completely free to use, offering users access to its features without any subscription or payment requirements. This makes it an excellent option for individuals and businesses looking for efficient solutions without financial commitments.

Key Points

  • Herdr is a free tool with no hidden costs.
  • Accessible for both individuals and organizations.
  • Offers a range of features without subscription fees.

Detailed Explanation

Herdr provides a range of functionalities designed to streamline tasks and enhance productivity, all at no cost. Users can create an account and immediately start utilizing the platform's features, which may include project management tools, collaboration features, and analytics capabilities.

For example, if you're a small business owner, you can manage your projects and client interactions without worrying about monthly fees. Herdr's user-friendly interface allows for easy navigation, making it suitable for both tech-savvy users and beginners.

Furthermore, as Herdr is free, it enables users to experiment with its features without financial risk. This is particularly beneficial for startups or freelancers who may not have the budget for premium tools.

Best Practices / Tips

  • Explore Features: Take the time to explore all the available tools within Herdr to maximize its utility.
  • Stay Updated: Regularly check for updates or new features that may enhance your experience.
  • Engage with Community: Join forums or community groups related to Herdr to share tips and learn from other users.

Additional Resources

How do I get started with Herdr?

To get started with Herdr, visit Herdr's GitHub page where you can sign up for an account and explore its features. Herdr is a powerful tool for managing and analyzing data, making it accessible for various users.

Key Points

  • Easy Registration: Sign up quickly through GitHub.
  • User-Friendly Interface: Designed for all skill levels.
  • Powerful Features: Offers extensive data management tools.

Detailed Explanation

Herdr is an innovative tool that allows users to manage data effectively. To get started, simply navigate to Herdr's GitHub page. Here, you can create an account by following the registration prompts. Once signed up, you can explore the various features that Herdr offers, which include:

  1. Data Analysis: Utilize built-in analytics tools to gain insights from your data.
  2. Collaboration Features: Share data and collaborate with team members in real-time.
  3. Custom Dashboards: Create personalized dashboards to visualize data according to your needs.

For example, if you are a data analyst, you can use Herdr to connect to various data sources, conduct analyses, and share reports with stakeholders seamlessly. The platform is also suited for developers looking to integrate data management into their applications.

Best Practices / Tips

  • Start Small: Begin with basic features to familiarize yourself with the platform before diving into advanced functionalities.
  • Utilize Documentation: Refer to the official documentation for detailed instructions and troubleshooting tips.
  • Engage with the Community: Join forums or GitHub discussions to learn from other users’ experiences and solutions.

Additional Resources

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