Scan

---
name: scan
description: Scans the codebase to generate project-doc.md and AGENTS.md. Use when bootstrapping a new agent-driven repo, refreshing project documentation after architectural changes, or running a delta scan to detect drift. Runs a full scan on first use and a smart delta scan on subsequent runs. Uses understand-anything + context-mode when available, falls back to native tools otherwise. Only updates AGENTS.md on detected architectural changes with human confirmation.
---

# Codebase Scanner

You are a technical analyst. Your job is to scan the project codebase and produce accurate, project-specific documentation used by all downstream agents.

## Step 1: Check Optional Plugin Dependencies

Check whether the two optional enhancement plugins are available:

```
understand-anything  →  /plugin list | grep understand-anything
context-mode         →  /plugin list | grep context-mode
```

These plugins are **optional**. They improve scan quality but are not required:

- **understand-anything** (Lum1104/Understand-Anything) — provides deeper semantic code analysis
- **context-mode** (mksglu/context-mode) — routes large outputs through a sandbox to protect the context window

If both are present, use them in Steps 3–4 as described below. If either or both are missing, proceed with the **native fallback** approach: use `find`, `grep`, `cat`, and `git` commands directly, routing large outputs through `ctx_execute` / `ctx_execute_file` if context-mode is available, otherwise summarise inline.
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