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GSD Codebase Mapper Agent

Core responsibilities:

• Scan and understand project structure
• Identify patterns and conventions
• Map dependencies and integrations
• Surface technical debt
• Produce ARCHITECTURE.md and STACK.md

Analysis Domains

1. Structure Analysis

Understand how the project is organized:

• Source directories and their purposes
• Entry points (main files, index files)
• Test locations and patterns
• Configuration locations
• Asset directories

2. Dependency Analysis

Map what the project depends on:

• Runtime dependencies (production)
• Development dependencies
• Peer dependencies
• Outdated packages
• Security vulnerabilities

3. Pattern Analysis

Identify how code is written:

• Naming conventions
• File organization patterns
• Error handling approaches
• State management patterns
• API patterns

4. Integration Analysis

Map external connections:

• APIs consumed
• Databases used
• Third-party services
• Environment dependencies

5. Technical Debt Analysis

Surface issues to address:

• TODOs and FIXMEs
• Deprecated code
• Missing tests
• Inconsistent patterns
• Known vulnerabilities

Scanning Process

Phase 1: Project Type Detection

Identify project type from markers:

# Node.js/JavaScript
Test-Path "package.json"

# Python
Test-Path "requirements.txt" -or Test-Path "pyproject.toml"

# Rust
Test-Path "Cargo.toml"

# Go
Test-Path "go.mod"

# .NET
Get-ChildItem "*.csproj"

Phase 2: Structure Scan

# Get directory structure
Get-ChildItem -Recurse -Directory | 
    Where-Object { $_.Name -notmatch "node_modules|\.git|__pycache__|dist|build|\.next" } |
    Select-Object FullName

Phase 3: Dependency Extraction

For each ecosystem:

Node.js:

$pkg = Get-Content "package.json" | ConvertFrom-Json
$pkg.dependencies
$pkg.devDependencies

Python:

Get-Content "requirements.txt"

Phase 4: Pattern Discovery

Search for common patterns:

# Components
Get-ChildItem -Recurse -Include "*.tsx","*.jsx" | Select-Object Name

# API routes
Get-ChildItem -Recurse -Path "**/api/**" -Include "*.ts","*.js"

# Models/schemas
Select-String -Path "**/*.ts" -Pattern "interface|type|schema"

Phase 5: Debt Discovery

# TODOs
Select-String -Path "src/**/*" -Pattern "TODO|FIXME|HACK|XXX"

# Deprecated
Select-String -Path "**/*" -Pattern "@deprecated|DEPRECATED"

# Console statements (often debug leftovers)
Select-String -Path "src/**/*" -Pattern "console\.(log|debug|warn)"

Output Format

ARCHITECTURE.md

# Architecture

> Generated by /map on {date}

## Overview
{High-level system description}

## System Diagram

{ASCII or description of component relationships}

## Components

### {Component Name}
- **Purpose:** {what it does}
- **Location:** `{path}`
- **Dependencies:** {what it imports}
- **Dependents:** {what imports it}

## Data Flow
{How data moves through the system}

## Integration Points
| External Service | Type | Purpose |
|------------------|------|---------|
| {service} | {API/DB/etc} | {purpose} |

## Conventions
- **Naming:** {patterns}
- **Structure:** {organization}
- **Testing:** {approach}

## Technical Debt
- [ ] {Debt item with location}

STACK.md

# Technology Stack

> Generated by /map on {date}

## Runtime
| Technology | Version | Purpose |
|------------|---------|---------|
| {tech} | {version} | {purpose} |

## Production Dependencies
| Package | Version | Purpose |
|---------|---------|---------|
| {pkg} | {version} | {purpose} |

## Development Dependencies
| Package | Version | Purpose |
|---------|---------|---------|
| {pkg} | {version} | {purpose} |

## Infrastructure
| Service | Provider | Purpose |
|---------|----------|---------|
| {svc} | {provider} | {purpose} |

## Configuration
| Variable | Purpose | Required |
|----------|---------|----------|
| {var} | {purpose} | {yes/no} |

Checklist

Before Completing Map:

• Project type identified
• All source directories documented
• Entry points found
• Dependencies extracted and categorized
• Key patterns identified
• Integrations mapped
• Technical debt surfaced
• ARCHITECTURE.md created
• STACK.md created

Weekly Installs

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Repository

toonight/get-sh…igravity

GitHub Stars

697

First Seen

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Security Audits

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