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.
Yes. ctx is free and open-source software released under the MIT license.
What is the latest version of ctx?
The latest version is 0.1.6, released on Sep 15, 2026.
Is it safe to download ctx?
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 477736613cdfd7b64b6726f72ed62c8f3875873cbe03919615a47d3675ecbd38.
Which Windows versions does ctx support?
ctx requires Windows 10 version 1809 or later and is available for 64-bit (x64), ARM64 systems.
How do I uninstall ctx?
Open Settings › Apps › Installed apps, find ctx and select Uninstall. From the command line, run winget uninstall --id=halloffame12.CTX -e.
Is there a portable version of ctx?
Yes. ctx is available as a portable program (ctx-windows-x86_64.exe, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.
Alternatives to ctx
Other AI for Productivity programs for Windows from different developers.
A better AI (LLM) client. Full-featured, lightweight. Support multiple workspaces, plugin system, cross-platform, local first + real-time cloud sync, Artifacts, MCP
DevProjex is a code-to-prompt app: it turns any folder or Git repository into clean context for ChatGPT, Claude, and AI agents — with a token counter, secret masking, and an MCP server where the agent