diff --git a/README.md b/README.md
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@@ -236,6 +236,7 @@ This is a curated list of AI-powered developer tools. These tools leverage AI to
 - [AI Code Playground](https://aicodeplayground.com/) — A web tool for refactoring and improving code.
 - [AutoRegex](https://www.autoregex.xyz/) — AutoRegex uses OpenAI's GPT-3 to produce regular expressions from plain English.
 - [unpkg.ai](https://unpkg.ai/) — Open source AI-powered ESM module generation service. Generate JavaScript modules via URL for rapid prototyping.
+- [rule-gen](https://github.com/nedcodes-ok/rule-gen) — CLI tool that generates AI coding rules from your actual codebase using Google Gemini. Feeds source files into Gemini's 1M token context window to produce project-specific rules for Cursor, Claude Code, Copilot, and Windsurf. Zero dependencies.
 
 ## Documentation