SageFs

About SageFs

SageFs You save. Tests pass. Browser updates. Under a second. A live F# engine — hot reload, live testing, AI-native — for every editor, for free. []() []() What is SageFs? SageFs is a live F# development engine. Start it once, connect any editor — VS Code, Neovim, Visual Studio, or the built-in TUI — and get sub-500ms feedback on every save: inline results, live test markers, hot reload, and AI agent access via MCP. It runs as a daemon with isolated session workers, so multiple editors and AI agents can share the same live state simultaneously.

ai-tools fsharp fsharp-app-development fsharp-interactive live-testing mcp mcp-client mcp-server repl visual-studio-extension

Quick Facts

Stars	67
Forks	5
Language	F#
Category	MCP Server
License	MIT
Quality Score	63.1866326406903/100
Open Issues	6
Last Updated	2026-07-07
Created	2026-02-14
Platforms	cli, mcp, vscode
Est. Tokens	~23k

Compatible Skills

These tools work well together with SageFs for enhanced workflows:

ChatIDE — semantic(0.19)+complementary+rare_topics+similar_pop+shared_platform (46%)
Lim-Code — semantic(0.17)+complementary+rare_topics+similar_pop+shared_platform (45%)
argus — semantic(0.16)+complementary+rare_topics+similar_pop+shared_platform (45%)

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Frequently Asked Questions

What is SageFs?

SageFs is Sage Mode for F# development — REPL with solution or project loading, Live Testing for FREE, Hot Reload, and session management.. It is categorized as a MCP Server with 67 GitHub stars.

What programming language is SageFs written in?

SageFs is primarily written in F#. It covers topics such as ai-tools, fsharp, fsharp-app-development.

How do I install or use SageFs?

You can find installation instructions and usage details in the SageFs GitHub repository at github.com/WillEhrendreich/SageFs. The project has 67 stars and 5 forks, indicating an active community.

What license does SageFs use?

SageFs is released under the MIT license, making it free to use and modify according to the license terms.

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