Context engineering, MCP servers, subagents, skills & plugins, and advanced production patterns. Build like the pros build.
Craig Petronella
CMMC-RP, CCNA, CWNE, DFE #604180
Founder of Petronella Technology Group (founded 2002, BBB A+ since 2003). Team is fully CMMC-RP certified. CMMC-AB Registered Provider Organization #1449.
You will learn to design production-grade CLAUDE.md files, configure and build custom MCP servers, and use subagents for parallel execution. The course also covers creating custom skills and plugins, implementing headless automation, and optimizing token usage at scale.
This is an intermediate-level AI and Automation course for developers and teams who already know the basics of Claude Code and want to reach expert proficiency. It targets people running AI agents in production environments who want the techniques used by teams operating at scale.
The course is intermediate level and runs about 10 hours of self-paced online content. You can complete it on your own schedule and track your progress as you go.
Claude Code Mastery is a paid course priced at $79. It is covered by our 30-day money-back guarantee: request a refund within 30 days of purchase if you have completed less than 25% of the course, and we refund the full price. If a technical issue on our side prevents access, contact support@petronellatech.com and we will fix it or refund you.
The curriculum is organized into five modules: Context Engineering, MCP Servers and Integrations, Subagents and Parallel Execution, Skills, Plugins and Ecosystem, and Advanced Patterns. It treats context engineering as the single most important skill in agentic coding and covers building CI/CD pipelines with Claude Code. A completion certificate is issued when you finish.
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