Tach

tach Plugin

A Python tool to enforce modular design boundaries and manage dependencies between packages in a codebase. Define and visualize dependencies between modules.

Commands

Dependency Checking

• tach deps check — Check dependency boundaries
• tach deps show — Show dependency graph

Utility

• tach _ _ — Passthrough to tach CLI

Usage Examples

• "Check dependency boundaries"
• "Show dependency graph"
• "Enforce modularity"
• "Check Python architecture"

Installation

pip install tach

Or via pipx:

pipx install tach

Examples

# Check dependencies
tach deps check ./my-project

# Strict mode
tach deps check ./my-project --strict

# Show dependency graph
tach deps show ./my-project

# With format
tach deps show ./my-project --format json

# Any tach command with passthrough
tach _ _ check
tach _ _ show
tach _ _ check --strict

Key Features

• Boundaries - Enforce module boundaries
• Dependencies - Manage dependencies
• Graph - Visualize graph
• Modular - Encourage modularity
• Python - Python projects
• Check - Automated checks
• Config - Configurable rules
• CI/CD - Pipeline integration
• Fast - Quick analysis
• Architecture - Architectural guardrails

Notes

• Great for large Python projects
• Prevents circular dependencies
• Supports CI/CD integration
• Configurable via tach.toml