Headroom

Headroom

Garm Tech
+
+

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About

Happy, also known as Happy Coder, is a free, open source mobile and web client that lets users spawn, view, and control multiple Claude Code AI coding agent sessions on any device, phone, tablet, laptop, or desktop, by syncing them in real time using an encrypted relay architecture so that a session started on one device can be continued seamlessly on another without losing context. It comprises three coordinated components, a CLI program that runs locally to launch and monitor Claude Code, a mobile app or web app that connects securely to the CLI session using end-to-end encryption so nobody (including the relay server) can read your data, and a relay server that simply passes encrypted blobs between devices without access to the contents; this design lets developers maintain their existing tools, editors, and workflows while adding remote control capability.

About

Headroom is a desktop utility for developers and engineering teams using Claude Code, ChatGPT Codex, and compatible coding-agent workflows. It runs locally and compresses repetitive tool output, logs, large documents, and other prompt context before those inputs reach an agent, while keeping originals available through retrieval when needed. The app provides connectors for supported agents, a dashboard and activity feed for reviewing token and API-equivalent cost estimates, and project learnings that can update agent instruction files. Optional one-click add-ons support terminal-output summarization, document conversion, code navigation, repository memory, library documentation lookup, and shorter agent responses. Desktop releases are available for macOS, Windows, and Linux. A separate free, self-managed command-line edition is also available.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and AI programmers searching for a tool to control and interact with Claude Code from mobile devices and across multiple machines in real time

Audience

Developers and engineering teams using Claude Code, ChatGPT Codex, or compatible local coding-agent workflows.

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

$3/month
Pro is $3/month, billed annually ($36/year), or $4/month, billed monthly, for Claude Pro or ChatGPT Plus. Max x5 is $15/month, billed annually, or $20/month, billed monthly; Max x20 is $30/month, billed annually, or $40/month, billed monthly. Each plan includes a 7-day free trial with no credit card required. Team and Enterprise plans have custom pricing. A separate free, self-managed Headroom CLI is also available.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Happy Coder
United States
happy.engineering/

Company Information

Garm Tech
Founded: 2026
Netherlands
extraheadroom.com

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Categories

Categories

Integrations

Claude Code Supported
Conductor Not Supported
Cursor Not Supported
Grok Build Not Supported
Model Context Protocol (MCP) Not Supported
OpenAI Codex Not Supported
OpenCode Not Supported
Visual Studio Code Not Supported
bb Not Supported

Integrations

Claude Code Supported
Conductor Supported
Cursor Supported
Grok Build Supported
Model Context Protocol (MCP) Supported
OpenAI Codex Supported
OpenCode Supported
Visual Studio Code Supported
bb Supported
Claim Happy Coder and update features and information
Claim Happy Coder and update features and information
Claim Headroom and update features and information
Claim Headroom and update features and information