What is cf?
cf is a Claude Code mod by musingfox that [Experimental] Contract-driven development pipeline with human-in-the-loop decision gating — agents defined by Context + Goal + Tools, not roles; a live flow-progress band above the prompt. It is listed under Context & memory and has 2 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | musingfox |
| Repository | musingfox/cc-plugins |
| Popularity | 2 GitHub stars |
| Category | Context & memory |
| Security | Low risk (100/100) |
| Rank | #1,358 of 5,272 Claude Code mods; #145 in Context & memory |
| License | MIT |
| Last commit | 2026-10-16 |
| Hooks | 5 events |
| Sees | Agent calls, AskUserQuestion calls, Bash calls |
| Draws on | AbovePrompt |
Is cf safe to install?
cf scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes no files or config | Pass |
| Doesn't read environment variables | Pass |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.clock.now | |
$.fs.read | reads files |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
How do I install cf?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/musingfox/cc-plugins claude plugin validate ./cc-plugins/context-flow
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add musingfox/cc-plugins && claude plugin install cf@nick-personal-marketplace
Or ask Claude to set it up
Paste this into Claude Code and it installs cf for you:
Install the "cf" Claude Code mod from https://github.com/musingfox/cc-plugins/tree/main/context-flow. Run claude plugin validate on it first and show me what it can access before you enable it.
More from musingfox/cc-plugins
This repository has 7 Claude Code mods on MCPMods.
- calendar: [Experimental] Upcoming Google Calendar events in-session — /cal toggles a band above the prompt with the next 7 days, / (Review before installing)
- flashcards: [Experimental] Flashcards from your repo's specs, ADRs and vault task cards — /cards build generates a review deck with (Low risk)
- games: [Experimental] Mini games to play while Claude works — /2048, /mines (Minesweeper), /dino (Chrome's offline runner) and (Review before installing)
- mermaid-inline: [Experimental] Every ```mermaid block Claude writes drawn as plain box art in place in the transcript — flowchart, seque (Review before installing)
- obw: Obsidian Workspace — project-scoped vault productivity (capture / notes / PM). Skills own folder layout and templates; / (Review before installing)
- omp-quota: [Experimental] Every omp provider's remaining quota in-session — a /quota band above the prompt, /quota refresh, and a t (Review before installing)