Claude Skills Guide

How to Make Claude Code Follow Team Style Guide

Getting Claude Code to consistently generate code that matches your team’s style guide requires a strategic approach. Rather than relying on manual corrections, you can configure Claude to understand and apply your standards from the first response. This guide walks through practical methods for achieving style guide compliance at scale.

Understanding the Style Guide Challenge

Claude Code generates high-quality code by default, but every team has specific conventions. Your organization might use different naming patterns, import ordering, testing frameworks, or architectural decisions than what Claude assumes. The challenge is establishing your style guide as the baseline for all AI-generated code.

The solution involves multiple layers: configuration files, skill-based prompts, and verification mechanisms. Each layer reinforces the others, creating a system where style compliance becomes automatic rather than an afterthought.

Project-Level Configuration Files

The most direct approach starts with configuration files that Claude recognizes and respects during code generation.

.claude.json Settings

Create a .claude.json file in your project root to establish baseline expectations:

{
  "preferences": {
    "indent_style": "space",
    "indent_size": 2,
    "quote_style": "single",
    "semicolons": false,
    "max_line_length": 100
  },
  "patterns": {
    "file_naming": "kebab-case",
    "component_naming": "PascalCase",
    "function_naming": "camelCase",
    "constant_naming": "UPPER_SNAKE_CASE"
  },
  "frameworks": {
    "testing": "vitest",
    "styling": "tailwind",
    "state_management": "zustand"
  }
}

This file signals your preferences before any conversation begins. Claude reads this configuration and incorporates it into generated code automatically.

EditorConfig Integration

For projects needing broader tooling support, EditorConfig provides a standardized format:

root = true

[*]
indent_style = space
indent_size = 2
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true

[*.md]
trim_trailing_whitespace = false

[*.py]
indent_size = 4

Claude respects EditorConfig when generating files, making this approach effective for multi-language projects.

Skill-Based Style Enforcement

Claude skills provide a powerful mechanism for enforcing team-specific patterns. Skills act as persistent instruction sets that shape Claude’s behavior across sessions.

Creating a Style Guide Skill

Develop a dedicated skill that encapsulates your team’s conventions:

---
name: team-style-enforcer
description: Enforces team-specific code style and conventions
---

Within this skill, define specific prompts that Claude references during code generation. For instance, your skill might include:

# Naming Conventions

- React components: PascalCase (e.g., UserProfile, OrderSummary)
- Hooks: camelCase with "use" prefix (e.g., useUserData, useCartTotal)
- Utility functions: camelCase (e.g., formatCurrency, calculateTotal)
- Constants: UPPER_SNAKE_CASE (e.g., MAX_RETRY_COUNT, API_BASE_URL)
- Files: kebab-case (e.g., user-profile.tsx, api-client.ts)

# Import Order

1. React/Next.js imports
2. External libraries (npm packages)
3. Internal components
4. Hooks and utilities
5. Types and interfaces
6. Style imports

Integrating Domain-Specific Skills

Your style guide skill works alongside domain-specific skills for better results. The frontend-design skill generates component architecture, but your style enforcer ensures the output matches team patterns. Similarly, the pdf skill might handle documentation generation, while your style rules govern documentation formatting. When implementing tests, the tdd skill can drive your test-first workflow, but your style guide should specify exact assertion patterns and test structure conventions. For teams using the supermemory skill to maintain persistent context across sessions, your style guide rules can be stored there for immediate retrieval on every project. See the automated code documentation workflow for how to keep documentation in sync with evolving style standards.

This layered approach lets you maintain a single source of truth for style while using specialized skills for their core functionality.

Learning Patterns from Reference Files

One of the most effective techniques is pointing Claude at existing files before generating new code. Instead of describing patterns abstractly, show them:

I'm adding a new service module. Before writing anything, read these three existing service files to understand our patterns:
- src/services/auth-service.js
- src/services/payment-service.js
- src/services/notification-service.js

Then create src/services/analytics-service.js following the same patterns.

Claude examines the reference files, extracts shared patterns (import style, error handling approach, dependency injection, method signatures), and applies them to the new file. This works especially well when generating multiple related files — establish patterns in the first file and reference them for subsequent files.

Inline Context and Conversation Prompts

Beyond configuration files, direct prompts within your conversations guide Claude’s output effectively.

Style Guide Prompts

Include explicit instructions at conversation start:

Generate all code following these rules:
- Use TypeScript strict mode
- Prefer functional components with hooks
- Include JSDoc comments for public functions
- Use error boundaries around async operations
- Follow our component folder structure: components/{Feature}/{Component}.tsx

Pattern Libraries Reference

Reference your existing codebase for Claude to learn from:

Our codebase follows patterns established in:
- src/components/auth/* for component structure
- src/hooks/use* for custom hooks
- src/utils/* for utility functions
- __tests__/ for test organization

Generate new code matching these established patterns.

Claude analyzes the referenced files and applies similar patterns to new code.

Automated Verification and Correction

Even with configuration and prompts, verification ensures consistency. Integrate style checking into your workflow.

Pre-Commit Hooks

Set up pre-commit hooks using tools like prettier, eslint, or stylelint. You can also use automated code review skills to catch style violations before they land in PRs:

# .husky/pre-commit
npm run lint
npm run format
npm run type-check

These hooks catch style violations before they enter your codebase, creating a feedback loop that trains Claude over time. When Claude sees consistent violations rejected, it adjusts its output patterns.

Claude Skill Feedback

Create a skill that reviews generated code for compliance:

Review generated code against team style guide:
1. Check naming conventions match specified patterns
2. Verify import ordering follows the standard
3. Confirm component structure matches templates
4. Validate test file locations and naming
5. Ensure documentation comments present

Report any violations with specific corrections needed.

Running this review skill after major generations catches issues early.

Best Practices for Implementation

Start with configuration files for universal rules, then layer skills for team-specific patterns. Keep your style guide documentation in version control so it evolves alongside your codebase. When introducing new conventions, update your configuration and skill prompts simultaneously.

The key is consistency. Every team member should reference the same style guide, configured in the same way. This creates predictable output regardless of who initiates the conversation with Claude.

Remember that style guides evolve. Build feedback mechanisms that identify when Claude consistently generates certain patterns that conflict with your current standards. Update your configuration accordingly, and the changes propagate to all future generations.

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