# Agentic coding Session 2 — Configuration & Extension Mastery

Page: https://stenobird.com/podcast/software-engineer-interview-prep-podcast-7756520/agentic-coding-session-2-configuration-extension-mastery
Text version: https://stenobird.com/podcast/software-engineer-interview-prep-podcast-7756520/agentic-coding-session-2-configuration-extension-mastery.md
Podcast: [Software Engineer Interview Prep Podcast](https://stenobird.com/podcast/software-engineer-interview-prep-podcast-7756520)
Published: 2026-06-08T11:24:45+00:00
Episode link: https://podcasters.spotify.com/pod/show/prabuddha-ganegoda/episodes/Agentic-coding-Session-2--Configuration--Extension-Mastery-e3kfm4i
Audio file: https://anchor.fm/s/10f2c0f8c/podcast/play/121149010/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2026-5-8%2F177b1aff-8834-55b6-1ca6-c4363d21ccfe.m4a
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JSON: https://stenobird.com/v1/public/podcasts/software-engineer-interview-prep-podcast-7756520/episodes/agentic-coding-session-2-configuration-extension-mastery
Duration seconds: 1194

## Resource

This is where the deep technical interview questions live. Claude Code has five extension points — CLAUDE.md, skills, hooks, subagents, and MCP — and knowing which to reach for is a core competency. We break down each one: why CLAUDE.md is always-on context you must keep lean, how skills load knowledge on demand and why the description field decides everything, when hooks give you deterministic guarantees, how subagents isolate heavy work in their own context, and how MCP and CLI tools connect the outside world. Ends with the decision framework that ties them all together.

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## Transcript

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