AI coding assistant configurator — generate configs for Claude Code, Cursor, Windsurf, Codex, OpenCode, and Qwen Code.
Publisher’s description
What is Harnest?
Harnest is an open-source ai assistants & llm program for Windows from Alex Gladkov.
Installation and requirements
Official installers exist for 64-bit and ARM64 as Portable. It runs without installation (portable).
Updates and version history
The current version is 0.12.0, released on August 24, 2026. 2 versions are listed since July 7, 2026, each with links to its own installer files.
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Native ARM64 build for Windows on Arm
- Portable: runs without installation
In short: Harnest is an open-source ai assistants & llm tool for 64-bit and ARM64 PCs.
Is Harnest safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
CC266B4B7C9B18264B0D80CFABB086D57904CBE89CDA6864F14F861C195D6711· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 2 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.12.0Latest | August 24, 2026 | — | 64-bit PortableARM64 Portable |
| 0.11.0 | July 7, 2026 | — | ARM64 Portable64-bit Portable |
Install from the command line
Silent install ›winget install --id AlexGladkov.Harnest -eProgram files (.exe): harnest.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Alex Gladkov
- Category
- AI assistants & LLMs
- Licence
- CC-BY-NC-4.0
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64
- Installer
- Portable
- Version
- 0.12.0
- Released
- August 24, 2026
- Added to the catalogue
- July 7, 2026
- Versions listed
- 2
- Website
- github.com
- winget ID
- AlexGladkov.Harnest
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Harnest free?
Yes. Harnest is open-source software under the CC-BY-NC-4.0 licence.
Is Harnest safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Harnest with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does Harnest run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of Harnest?
The versions page lists all 2 versions with links to their official installer files, back to July 7, 2026.
Can I use Harnest without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to Harnest?
Codex CLI, Claude Code, ChatGPT, OpenWork and GPT4All. The alternatives page compares them.