# IDE agent

**Source:** https://promtable.com/glossary/ide-agent

> An IDE agent is an AI coding assistant embedded inside an integrated development environment — Cursor, Cline, Windsurf, Roo Code, GitHub Copilot agent mode — that can edit multiple files, run commands, and run tests autonomously from inside the editor.

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An IDE agent is an AI coding assistant embedded inside an integrated development environment — Cursor, Cline, Windsurf, Roo Code, GitHub Copilot agent mode — that can edit multiple files, run commands, and run tests autonomously from inside the editor.

IDE agents in 2026 are distinct from autocomplete (line-level suggestions) and from terminal agents (Claude Code, Aider) because they live inside the IDE's project view and editor. The autonomous loop typically: agent reads files needed for the task, drafts a plan, executes changes across multiple files via the editor's diff system, runs tests via the IDE's terminal, fixes failures, and reports. The category includes Cursor (paid premium), Cline (OSS), Windsurf (Codeium), Roo Code (Cline fork), and Continue.dev. Production reliability requires plan-first workflow, max-step caps, and human-approval gates on destructive operations.

## When to use

- Engineers working primarily in an IDE.
- Multi-file refactors and feature work.

## Common mistakes

- Letting the agent run unbounded — set step + token caps.
- Skipping plan-first workflow — agents drift without explicit plans.

## Related terms

- [agent](https://promtable.com/glossary/agent)
- [code-completion](https://promtable.com/glossary/code-completion)
- [agent-loop](https://promtable.com/glossary/agent-loop)

*Last updated: 2026-06-01*
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Original page: https://promtable.com/glossary/ide-agent
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