Context Builder generates a single, structured markdown file from any codebase directory.
The output is optimized for LLM consumption with relevance-based file ordering, AST-aware
code signatures via Tree-Sitter, automatic token budgeting with in-place file truncation,
and smart defaults.
Publisher’s description
What is Context Builder?
Context Builder is an open-source ai assistants & llm program for Windows from igorls. It is written in Rust.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 0.10.0, released on August 31, 2026. 4 versions are listed since February 15, 2026, each with links to its own installer files.
Popularity and file types
The source code on GitHub (igorls/context-builder) has 40 stars. Similar programs include Codex CLI, Claude Code and ChatGPT.
Project description on GitHub: “Fast Rust CLI that packs a codebase into one LLM-friendly markdown file”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Updated in the last two months
Cons
- No native ARM64 build
In short: Context Builder is an open-source ai assistants & llm tool for 64-bit PCs.
Is Context Builder 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:
F25CA6D205C27CE9F7192AB1D5D2C6D65BBBF88FB1F71902B88208887AD9C236· 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 4 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.10.0Latest | August 31, 2026 | — | 64-bit ZIP |
| 0.9.0 | June 4, 2026 | — | 64-bit ZIP |
| 0.8.3-1 | February 16, 2026 | — | 64-bit ZIP |
| 0.8.2 | February 15, 2026 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id igorls.context-builder -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- igorls
- Category
- AI assistants & LLMs
- Licence
- MIT
- Price
- Free
- Source code
- github.com/igorls/context-builder
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 0.10.0
- Released
- August 31, 2026
- Added to the catalogue
- February 18, 2026
- Versions listed
- 4
- GitHub stars
- 40
- GitHub forks
- 4
- Website
- github.com
- winget ID
- igorls.context-builder
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Context Builder free?
Yes. Context Builder is open-source software under the MIT licence.
Is Context Builder 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 Context Builder 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 Context Builder run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Context Builder?
The versions page lists all 4 versions with links to their official installer files, back to February 15, 2026.
Can I use Context Builder without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to Context Builder?
Codex CLI, Claude Code, ChatGPT, GPT4All and oh-my-pi. The alternatives page compares them.
