HeadroomGarm Tech
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Related Products
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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.
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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.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Supported
Android
Supported
Chromebook
Not Supported
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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
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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
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Audience
Developers and engineering teams using Claude Code, ChatGPT Codex, or compatible local coding-agent workflows.
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Supported
Free Trial
Not Supported
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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
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationHappy Coder
United States
happy.engineering/
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Company InformationGarm Tech
Founded: 2026
Netherlands
extraheadroom.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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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
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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
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