diff --git a/README.md b/README.md
index 6034a77..9a48202 100644
--- a/README.md
+++ b/README.md
@@ -114,6 +114,7 @@ See [reports/claude-settings.md](reports/claude-settings.md) for a comprehensive
 
 | Report | Description |
 |--------|-------------|
+| [Agent SDK vs CLI System Prompts](reports/claude-agent-sdk-vs-cli-system-prompts.md) | Why Claude CLI and Agent SDK outputs may differ—system prompt architecture and determinism |
 | [Browser Automation MCP Comparison](reports/claude-in-chrome-v-chrome-devtools-mcp.md) | Comparison of Playwright, Chrome DevTools, and Claude in Chrome for automated testing |
 | [Claude Code Settings Reference](reports/claude-settings.md) | Comprehensive guide to all `settings.json` configuration options |
 | [CLAUDE.md Loading in Monorepos](reports/claude-md-for-larger-mono-repos.md) | Understanding ancestor vs descendant loading behavior for CLAUDE.md files |