LLM-Agentic-Code-Instructions

A community-driven repository for best-practice, multi-contributor "instruction" files tailored for Large Language Model (LLM) coding agents such as Claude-code, Codex, and others. These files help guide code generation, enforce standards, and improve project consistency when using agentic code tools.

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🚀 What is This?

This repository is a central location for high-quality, community-curated instruction files that teach LLM-based coding agents how to write code for specific languages, frameworks, or projects.

Instruction files help LLMs like Claude, Codex, and others generate code that matches your team's standards and practices. Contributions are welcome for any language, framework, or use case!

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🤖 Supported LLM Coding Agents

• Claude-code by Anthropic
• OpenAI Codex
• ...and others! PRs for more agent instructions encouraged.

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📁 Directory Structure

ruby/
  CLAUDE.md
  AGENT.md

swift/
  CLAUDE.md
  AGENT.md

salesforce/
  CLAUDE.md
  AGENT.md
...
CONTRIBUTING.md
CODE_OF_CONDUCT.md
README.md

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📚 Usage Instructions

For Claude-code

1. Where to Place Instruction Files Place relevant instruction files in your project repository under:

   CLAUDE.md
   

   Example: CLAUDE.md

2. How to Use

   • When initializing your Claude agent for a project, load or reference the appropriate file(s) from /Language-Name/Vendor.md.
   • Optionally, summarize or paste file contents into Claude's system prompt or context window.

For Codex (OpenAI)

1. Where to Place Instruction Files Place instruction files in your project repository root:

   AGENTS.md
   

   Example: AGENT.md

2. How to Use(Advanced)

   • place your LLM specific instruction file in the appropriate place within your project directory. For specific instructions per LLM vendor, keep reading.

3. Vendor Specific Instructions

   • OpenAI Codex
     • copy this repo's Language-Name/AGENTS.md file to:
       • ~/.codex/AGENTS.md - personal global guidance
       • AGENTS.md at your projects checkout root - shared project notes
       • AGENTS.md in the current working directory - sub-folder/feature specifics
   • Anthropic Claude
     • copy this repo's Language-Name/CLAUDE.md file to:
       • ~/.claude/CLAUDE.md - for personal global inclusion in all projects.
       • CLAUDE.md in your current projects checkout root - for project specific instruction

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🌱 Contributing

We welcome all contributions! See CONTRIBUTING.md for guidelines.

• Add instruction files for new languages, frameworks, or LLM agents.
• Improve or update existing files.
• Discuss or propose new formats and best practices.

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🤝 Code of Conduct

Please review our CODE_OF_CONDUCT.md before contributing.
We are committed to a welcoming, inclusive, and respectful environment for all contributors.

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📢 Join the Community!

• Open issues for suggestions or requests.
• Submit PRs to add or improve instruction files.
• Share this project with your team or community!

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Let’s make LLM coding agents more effective, ethical, and community-driven, one instruction file at a time.