Agent tool

Kiro

Agentic IDE focused on spec-driven development: requirements, design and tasks before code.

Open-source coding agent for the IDE, terminal and CI, with configurable models and rules.

AI-first code editor with agent mode, background agents and deep MCP support.

Agentic IDE built around the Cascade agent, with MCP support and codebase-aware flows.

GitHub's AI pair programmer with an agent mode in the IDE and an asynchronous coding agent that opens pull requests.

Google's agent-first development platform for orchestrating multiple coding agents across editor, terminal and browser.

Open-source personal AI agent that runs on your own machine and acts across chat apps, browser and OS.

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