https://github.com/dabochen/viewerkit
ViewerKit adds custom panels to Cursor, turning it into a general-purpose AI workspace for files, data, slides and more.
- for
- Developers and power users who want to extend Cursor/VS Code with AI-driven file viewers and editors.
- pricing
- open source
- license
- MIT
- slide-maker-1.0.0slide maker extensiona year ago
- i18n-manager-1.0.0i18n manager extensiona year ago
- csv-viewer-1.0.0csv viewer extensiona year ago
works withCursorVS CodeWindsurfTraeKiro
Key features
6 features of ViewerKit
- Custom panels — Adds UI panels that let Cursor display and edit non-code files with AI assistance.
- Ready-made extensions — CSV viewer, slide maker, and i18n manager extensions are available for instant use.
- Framework for extensions — Open-source toolkit lets anyone build new extensions with a single prompt.
- Universal VS Code compatibility — Works on all VS Code-based editors such as Cursor, Windsurf, Trae and Kiro.
- Smart file I/O engine — Provides hot-reload, auto-save and conflict resolution for edited files.
- Scaffold templates — Backend and frontend code templates let users create custom features quickly.
Use cases
- Edit and analyze CSV data directly inside Cursor with AI-driven processing.
- Create and modify presentation slides from various source files using the Slide Maker extension.
- Manage translation files in a unified dashboard with the I18n Manager extension.
- Turn any file type into an AI-editable view without leaving the editor.
ViewerKit vs alternatives
ViewerKit | Cursor | n8n | LangChain | CrewAI | |
|---|---|---|---|---|---|
| Best for | AI-enhanced file viewers for Cursor | AI-first code editing | Workflow automation | LLM app development | Multi-agent orchestration |
| Pricing | Open source | Subscription | Subscription | Free | Subscription |
| DevHunt upvotes | 6 | 0 | 0 | 0 | 0 |
| Launched | Aug 2025 | — | — | — | — |
- ViewerKit vs Cursor: Cursor is the base AI code editor; ViewerKit adds UI panels on top of it.
- ViewerKit vs n8n: n8n automates workflows; ViewerKit focuses on in-editor file viewing and AI editing.
- ViewerKit vs LangChain: LangChain is a library for building LLM apps; ViewerKit provides ready UI extensions for editors.
- ViewerKit vs CrewAI: CrewAI builds multi-agent systems; ViewerKit turns a single editor into a multi-purpose AI agent.
ViewerKit FAQ
Do I need to code to create a ViewerKit extension?+
No, you can use the vibe-coding workflow: describe requirements in a prompt and let Cursor generate the extension.
Which editors are supported?+
ViewerKit works on all VS Code-based editors, including Cursor, Windsurf, Trae and Kiro.
Is the core framework open source?+
Yes, the ViewerKit Toolkit is open-sourced on GitHub for personal or commercial use.
How do I install an extension?+
Download the .vsix file, then run “Cmd+Shift+P → Extension: install from vsix” in your editor.
Can I use ViewerKit with CLI-based AI tools?+
Yes, install the VS Code extension, open the terminal inside the editor, and run your CLI AI tool there.
Summarized by DevHunt from viewerkit.com · Oct 2, 2026. Details may change; check the official site.

ViewerKit
Cursor
n8n
LangChain
CrewAI









