diff --git a/README.md b/README.md
index 07d3dc5..a7ff113 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ Project-level instruction files that tell Codex how to work with your codebase -
 - [agentsmd/agents.md](https://github.com/agentsmd/agents.md) - The open AGENTS.md specification under Linux Foundation. 60k+ adopting projects. ![GitHub stars](https://img.shields.io/github/stars/agentsmd/agents.md?style=flat-square)
 - [Ischca/awesome-agents-md](https://github.com/Ischca/awesome-agents-md) - Curated list of real-world AGENTS.md files, templates, guides, and tools for Codex-based agents. ![GitHub stars](https://img.shields.io/github/stars/Ischca/awesome-agents-md?style=flat-square)
 - [danielrosehill/Agents.md-Templates](https://github.com/danielrosehill/Agents.md-Templates) - Collection of AGENTS.md templates following the standard suggested by OpenAI. ![GitHub stars](https://img.shields.io/github/stars/danielrosehill/Agents.md-Templates?style=flat-square)
+- [Han-1413141/codex-context-map](https://github.com/Han-1413141/codex-context-map) - Offline visual debugger for Codex CLI instruction discovery, showing AGENTS.md chains, same-directory overrides, and byte cutoffs. ![GitHub stars](https://img.shields.io/github/stars/Han-1413141/codex-context-map?style=flat-square)
 
 ## Subagents