How are feature flags stored in Dif?

Each flag is a markdown file that lives in your repository alongside the code it controls, documenting what it does, why it exists, and the decisions made about it.

Does Dif require an account or signup?

No. Installation is a single command with no account or signup required.

Can AI coding agents work with Dif?

Yes. A coding agent can install Dif and read its context file to know what flags are live and what was already tried.

Does Dif support A/B testing?

Yes. A/B tests are defined in the same markdown files and wait there until you have traffic. Results can be sent to your own analytics or read by Dif Cloud, which writes the decision into the file.

dif.sh

Markdown feature flags your coding agent installs for you

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Listed website: dif.sh
Directory record created: Sep 6, 2026
Last record update: Sep 9, 2026

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Overview
6 key features
5 use cases

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What is dif.sh

Dif.sh is an open source feature flag and A/B testing tool where every flag is a markdown file living alongside the code it controls. Flags document what they do, why they exist, and the decisions made about them, and changes are reviewed in pull requests like any other code change. A coding agent can install Dif in one command with no account required, and the tool optionally supports sending events to your own analytics or using Dif Cloud to read results and record decisions in the flag files.

Key Features

Feature flags stored as markdown files in your repository

Flags reviewed via pull requests like any other code change

One-command installation by a coding agent, with no account or signup

Context files that tell coding agents what is live and what was already tried

A/B tests defined in the same files and used when traffic is available

Event forwarding to your own analytics, or Dif Cloud results and decision recording

Use Cases

Managing feature rollouts with flags versioned next to the code they control
Documenting flag purpose and decisions in version control
Letting AI coding agents read flag context to understand what is live
Running A/B tests once a product has traffic
Open source teams wanting flag workflows without vendor accounts

Why do startups need this tool?

Dif keeps feature flags and experiments inside the repository as reviewable markdown files, so startups get flag documentation, PR-based review, and agent-friendly context without vendor lock-in or signup.