Kiro

Kiro

Amazon Web Services
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+

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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

Kiro is an AI‑powered integrated development environment that brings structure to AI‑driven coding by converting natural‑language prompts into clear requirements, system designs, and discrete implementation tasks validated by robust tests. Built from the ground up for agentic workflows, it features spec‑driven development, multimodal chat, “agent hooks” that trigger background tasks on events like file saves, and an autopilot mode that autonomously runs large scripts while keeping you in control. With smart context management, Kiro reduces repetitive prompts and helps implement complex features across large codebases. Native MCP integrations let you connect to documentation, databases, and APIs, and you can guide development with images of UI designs or architecture diagrams. Enterprise‑grade security and privacy ensure safe deployment, while support for Claude Sonnet models, Open VSX plugins, and existing VS Code settings delivers a familiar yet AI‑supercharged experience.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

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 needing a tool to accelerate AI‑driven coding from prototype to production with structured, spec‑driven development and autonomous AI agents

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

$19 per month
Free Version
Free Trial

Reviews/Ratings

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

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 5.0 / 5
support 4.0 / 5

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Happy Coder
United States
happy.engineering/

Company Information

Amazon Web Services
Founded: 2002
United States
kiro.dev/

Alternatives

OpenCode

OpenCode

Anomaly Innovations

Alternatives

JetBrains Junie

JetBrains Junie

JetBrains
RelayFax

RelayFax

Alt-N Technologies
Claude Code

Claude Code

Anthropic

Categories

Categories

Integrations

AWS DevOps Agent
AWS Security Agent
C
C#
C++
Claude
Claude Code
Go
JSON
Java
JavaScript
Kotlin
PHP
Python
Ruby
Rust
SQL
Scala
TypeScript
YAML

Integrations

AWS DevOps Agent
AWS Security Agent
C
C#
C++
Claude
Claude Code
Go
JSON
Java
JavaScript
Kotlin
PHP
Python
Ruby
Rust
SQL
Scala
TypeScript
YAML
Claim Happy Coder and update features and information
Claim Happy Coder and update features and information
Claim Kiro and update features and information
Claim Kiro and update features and information