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.
What's new in 0.10.0
v0.10.0 "Honest Signatures" — every documented flag now does what it says:
--truncate smart/byte is now wired into the --max-tokens budget path
TypeScript/TSX class members extracted under --signatures
--visibility honored for TypeScript; honest warning for other languages
One canonical extension-to-language map (src/languages.rs)
Dependency diet: walkdir/once_cell/num_cpus removed, similar 3, tiktoken-rs 0.12
Real MSRV CI job (1.89), aarch64-linux release target, binstall metadata, dependabot
Yes. Context Builder is free and open-source software released under the MIT license.
What is the latest version of Context Builder?
The latest version is 0.10.0, released on Aug 31, 2026.
Is it safe to download Context Builder?
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with f25ca6d205c27ce9f7192ab1d5d2c6d65bbbf88fb1f71902b88208887ad9c236.
Which Windows versions does Context Builder support?
Context Builder runs on Windows and is available for 64-bit (x64) systems.
How do I uninstall Context Builder?
Open Settings › Apps › Installed apps, find Context Builder and select Uninstall. From the command line, run winget uninstall --id=igorls.context-builder -e.
Is there a portable version of Context Builder?
Yes. Context Builder is available as a portable ZIP archive (context-builder-x86_64-pc-windows-msvc.zip, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.
Alternatives to Context Builder
Other AI for Productivity programs for Windows from different developers.