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Active·★ 3.7k·MIT·Updated 2026-10-15
★ Essential★ Trending

OpenSumi is a framework for building IDE products, and the README describes it as helping you quickly build AI Native IDE products. It is a framework rather than a ready-made editor: you assemble your own IDE from its modules. The README lists starter projects: a cloud IDE, an Electron desktop IDE, CodeFuse IDE (an AI IDE built on OpenSumi), CodeBlitz (a pure web IDE framework), a lite web IDE and a mini-app-like IDE.

The badges mark it as an MCP client with tool support. For local development the README gives `yarn install`, `yarn run init`, optionally `yarn run download-extension`, then `yarn run start`, which opens the `tools/workspace` folder by default (or a directory set by `MY_WORKSPACE`). Documentation is at opensumi.com, and a changelog and contributing guide are in the repo.

Its audience is teams building their own IDE or cloud editor, not people who only want an AI coding assistant. The repo is MIT licensed, written in TypeScript, and was last pushed on 2026-10-09. This review is based on the README and repository data; we have not run it ourselves.

This write-up is based on the project's README and public repository data. We have not hand-tested the tool. Data as of 2026-10-27.

License
MIT
Latest release
v3.9.0 · 2025-05-20
Last commit
2026-10-15
Contributors
119
Forks
451
Open issues and PRs
286
First published
2021-11-17

Source: GitHub, npm and PyPI public APIs.

#AI Native#IDE Framework#Frontend#TypeScript#MCP#Coding
$ Install
$ yarn install
↗ Visit site★ GitHub
01

Features

01Build AI-native IDE products
02Support for Cloud IDE creation
03Desktop IDE development via Electron
04Pure web-based IDE framework
05Highly customizable and extensible architecture
02

Why choose it

+Gives a base for building your own AI-native IDE, with cloud, Electron desktop and pure-web starting points
+MCP client support with tool features, noted by the README badges
+MIT license, TypeScript, with CI, E2E and coverage badges, and a documentation site
+Actively maintained: last push 2026-10-09
03

Trade-offs

!A framework for IDE builders, not an editor you can install and use; expect real integration work
!Local setup needs a yarn toolchain and system-level dependencies, which the README points to CONTRIBUTING.md for
!The README says little about the AI features themselves; details are on the docs site
04

Maintenance check

ActiveChecked: 2026-10-27
Last commit
2026-10-15
Commits, last 90 days
2
Releases, last 90 days
0
Latest release
v3.9.0 (2025-05-20)
Open issues
286
Recent issues with at least one comment
2/5
Commits per week, last 12 weeks
Commits per week, last 12 weeks: 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0

Oldest week on the left; the latest four weeks are orange. Source: GitHub commit activity.

Status rule: archived on GitHub = Archived; last commit within 90 days = Active; 91 to 365 days = Slowing; older = Stale. All figures come from the GitHub API on the date shown.

Most discussed open issues

  • #2443 📝 OpenSumi Users: Share Your Experience ~21 comments · 2023-03-17
  • #3615 [BUG] 操作系统文件资源管理器中选中文件拖入到opensumi ide文件树中内容消失11 comments · 2024-05-06
  • #3068 [FEATURE] 需要新增对标 vscode 的 Walkthrough11 comments · 2023-09-18
  • #2919 [BUG] websocket 重连后，有一定概率前后端不可交互9 comments · 2023-07-20
  • #2342 安装Diff & Merge插件，选择2个文件diff的时候（choose a file to merge），提示Error: command 。8 comments · 2022-07-24

Issue titles are quoted from GitHub. Open the link to check whether a problem still applies to the version you use.

05

Compatibility

Model Context Protocol
MCP Support
Verified via docs
Electron
Native
Verified via docs
Web Browsers
Native
Verified via docs
Node.js
Native
Verified via docs
06

Quick start

1
$ yarn install
07

Use cases

↳Developing AI-powered integrated development environments
↳Building browser-based cloud IDE platforms
↳Creating custom desktop IDE applications
08

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On this page
01Features02Why choose it03Trade-offs04Maintenance check05Compatibility06Quick start07Use cases08Alternatives
opensumi /
core
↗

MIT TypeScript framework for building AI-native IDE products, cloud or desktop, with MCP client support

3.7k451MIT
Last commit1w ago
StatusActive
CategoryDev Tooling
Contributors119
Latest releasev3.9.0
Links
Documentation↗Discussion↗Issues↗Releases↗
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