github.com · agentic AI · 2025

GitHub Repos to Master Claude Code

$ git clone excellence && learn --agentic

A curated collection of the most valuable GitHub repositories for understanding, mastering, and extending Claude Code — covering system prompts, subagents, MCP integrations, hooks, templates, and real-world agentic workflows.

10Repositories
5+Topic Areas
2025Edition
system-prompts subagents mcp-integrations hooks & plugins context-engineering

10 Must-Know GitHub Repositories

Click any repository to open it on GitHub and explore the code, documentation, and community contributions.

Key Claude Code Concepts

The building blocks you'll encounter across these repositories.

Subagents
Specialized Claude instances spawned by an orchestrator to handle focused, parallelisable tasks.
MCP Servers
Model Context Protocol servers that extend Claude Code with tools, resources, and external APIs.
Hooks
Event-driven scripts that run before or after Claude Code actions for automation and validation.
CLAUDE.md
Project-level instructions that shape Claude Code's behaviour, tools, and coding conventions.
Context Engineering
Structuring prompts, specs, and memory to maximise agentic reliability and task success rate.