Agent tool

Cursor

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.

Agentic coding tool for the terminal and editors, designed to get the most out of frontier models.

High-performance open-source editor with built-in agent panel and support for external agents via the Agent Client Protocol.

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

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

Cognition's autonomous AI software engineer that works in its own cloud environment and delivers PRs.

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