ctx indexes a codebase into a local SQLite code graph (files, symbols, dependencies) and produces relevance-ranked context packages for AI coding agents. Local-first, offline, private and deterministic. Includes a Model Context Protocol (MCP) server over stdio.
Publisher’s description
What is ctx?
ctx is an open-source ai assistants & llm program for Windows from halloffame12. It is written in Rust.
Installation and requirements
Official installers exist for 64-bit and ARM64 as Portable. It runs without installation (portable). It needs Windows 10 1809 or newer.
Project description on GitHub: “Local-first code graph + context engine for AI coding agents (Rust/MCP server). Published in microsoft/winget-pkgs (winget install halloffame12.CTX) & awesome-mcp-servers. A+ on Glama.”
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
- Updated in the last two months
In short: ctx is an open-source ai assistants & llm tool for 64-bit and ARM64 PCs.
Is ctx 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:
477736613CDFD7B64B6726F72ED62C8F3875873CBE03919615A47D3675ECBD38· 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 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.1.6Latest | September 15, 2026 | — | 64-bit PortableARM64 Portable |
Install from the command line
Silent install ›winget install --id halloffame12.CTX -eProgram files (.exe): ctx.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- halloffame12
- Category
- AI assistants & LLMs
- Licence
- MIT
- Price
- Free
- Source code
- github.com/halloffame12/CTX
- Written in
- Rust
- Requires
- Windows 11 / 10 (Windows 10 1809+)
- Architecture
- 64-bit, ARM64
- Installer
- Portable
- Version
- 0.1.6
- Released
- September 15, 2026
- Added to the catalogue
- September 18, 2026
- Versions listed
- 1
- Website
- github.com
- winget ID
- halloffame12.CTX
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to ctx
See all ›-
Claude Code2.1.302Unleash Claude’s raw power directly in your terminal. Search million-line codebases instantly. Turn hours-long workflows into a single command. Your tools. Your workflow. Your codebase, evolving at thought speed.Proprietary67.1K ↓ -
Codex CLI0.161.0Codex CLI is an open‑source local coding agent that runs in your terminal, letting you write, edit, and understand code without leaving the command line.Open source16.6K ↓ -
Open source17.1K ↓ -
Open source8.7K ↓ -
oh-my-pi18.12.6⌥ AI Coding agent for the terminal — hash-anchored edits, optimized tool harness, LSP, Python, browser, subagents, and moreOpen source654 ↓ -
Open source14K ↓ -
Open source3.3K ↓ -
Open source1.9K ↓
Frequently asked questions
Is ctx free?
Yes. ctx is open-source software under the MIT licence.
Is ctx 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 ctx 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.
Which Windows versions does ctx support?
The installer requires Windows 10 1809 or newer and is available for 64-bit and ARM64.
Does ctx run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Can I use ctx without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to ctx?
Claude Code, Codex CLI, ChatGPT, GPT4All and oh-my-pi. The alternatives page compares them.
