Claude Code Clearly Explained (and how to use it)

Greg Isenberg January 19, 2026
Video Thumbnail
Greg Isenberg Logo

Greg Isenberg

@gregisenberg

About

Subscribe for startup ideas & tutorials on on how to use AI to build & grow your startup. Hey, I’m Greg - CEO of Late Checkout and ex-advisor to Reddit, TikTok, and more. I post videos here from my podcast top 0.1% tech podcast called The Startup Ideas Podcast. You can also listen to The Startup Ideas Podcast on Apple Podcasts and Spotify. I keep it practical and never gatekeep the sauce. I share what I'm learning in real-time. Happy building

Video Description

In this episode, I sit down with Professor Ras Mic for a beginner-friendly crash course on using Claude Code (and AI coding agents in general) without feeling overwhelmed by the terminal. We break down why your output is only as good as your inputs and how thinking in features + tests turns “vague app ideas” into real, shippable products. Was walks me through a better planning workflow using Claude Code’s Ask User Question Tool, which forces clarity on UI/UX decisions, trade-offs, and technical constraints before you build. We also talk about when not to use “Ralph” automation, why context windows matter, and how taste + audacity are the real differentiators in 2026 software. Timestamps 00:00 – Intro 01:22 – Claude Code Best Practices 05:31 – Claude Code Plan Mode 09:30 – The Ask User Question Tool 14:52 – Don’t start with Ralph automation (get reps first) 16:36 – What are “Ralph loops” and why plans and documentation matter most 18:41 – Ras’s Ralph setup: progress tracking + tests + linting 23:48 – Tips & tricks: don’t obsess over MCP/skills/plugins 27:44 – Scroll-stopping software wins Links Mentioned: Ras's Ralphy AI Agent: https://startup-ideas-pod.link/ras-ralphy Key Points * Your results improve fast when you treat AI agents like junior engineers: clear inputs → clean outputs. * The biggest unlock is planning in features + tests, not broad product descriptions. * Claude Code’s Ask User Question Tool forces real clarity on workflow, UI/UX, costs, and technical decisions. * If you haven’t shipped anything, don’t hide behind automation—build manually before using “Ralph.” * Context management matters: long sessions can degrade quality, so restart earlier than you think. Numbered Section Summaries * The Real Reason People Get “AI Slop” I frame the episode around a simple idea: if you feed agents sloppy instructions, you’ll get sloppy output. Ras explains that models are now good enough that the failure mode is usually unclear inputs, not model quality. * How To Think Like A Product Builder (Features First): Ras pushes a practical mindset: don’t describe “the product,” describe the _features_ that make the product real. If you can list the core features clearly, you can actually direct an agent to build them correctly. * The Missing Piece: Tests Between Features: We talk about the shift from “generate code” to “build something serious.” The move is writing and running tests after each feature, so you don’t stack feature two on top of a broken feature one. * Why Default Planning Mode Isn’t Enough: Ras shows the standard flow: open plan mode, ask Claude to write a PRD, and get a basic roadmap. The issue is it leaves too many assumptions—especially around UI/UX and workflow details. * The Ask User Question Tool (The Planning Upgrade): This is the big unlock. Ras demonstrates how the Ask User Question Tool interrogates you with increasingly specific questions (workflow, cost handling, database/hosting, UI style, storage, etc.) so the plan becomes dramatically more precise. * Spend Time Upfront Or Pay For It Later: We connect the dots: better planning reduces back-and-forth, reduces token burn, and prevents “I built the app but it’s not what I wanted.” The interview-style planning forces trade-offs early instead of late. * Don’t Use Ralph Until You’ve Built Without It: Ras makes a strong case for reps: if you can’t ship something end-to-end yet, automation won’t save you—it’ll just move faster in the wrong direction. Build feature-by-feature manually first, then graduate to loops. * Practical Tips: Context Discipline + Taste Wins: Ras shares a few operational habits: don’t obsess over tools like MCP/plugins, keep context usage under control, and restart sessions before quality degrades. We wrap on a bigger point: in 2026, “audacity + taste” is what makes software stand out. The #1 tool to find startup ideas/trends - https://www.ideabrowser.com/ LCA helps Fortune 500s and fast-growing startups build their future - from Warner Music to Fortnite to Dropbox. We turn 'what if' into reality with AI, apps, and next-gen products https://latecheckout.agency/ The Vibe Marketer - Resources for people into vibe marketing/marketing with AI: https://www.thevibemarketer.com/ FIND ME ON SOCIAL X/Twitter: https://twitter.com/gregisenberg Instagram: https://instagram.com/gregisenberg/ LinkedIn: https://www.linkedin.com/in/gisenberg/ FIND MIC ON SOCIAL X/Twitter: https://x.com/Rasmic Youtube: https://www.youtube.com/@rasmic

Upgrade Your Everyday

AI-recommended products based on this video

Loading...
Kasa Smart Outdoor Smart Plug by TP-Link (KP400) - Smart WiFi Outlet with 2 Sockets, IP64 Waterproof, Works with Alexa and Google Home, 2.4GHz WiFi Required, No Hub Required, Sunset & Sunrise Offset

Kasa Smart Outdoor Smart Plug by TP-Link (KP400) - Smart WiFi Outlet with 2 Sockets, IP64 Waterproof, Works with Alexa and Google Home, 2.4GHz WiFi Required, No Hub Required, Sunset & Sunrise Offset

(28,846)
$21.99$17.99
FREE delivery Wed, Aug 20 on your first order
1K+ bought in past month
Loading...
Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls, 30H Playtime, for Workout

Monster Open Free AC100 Open Ear Bluetooth 5.3 Headphones, Wireless Earbuds with Earhooks, Immersive Stereo Sound by 16mm Large Driver, Clear Calls, 30H Playtime, for Workout

(42)
$29.99
$5.90 delivery Wed, Feb 11
Loading...
Wireless Earbuds, Sports Bluetooth Headphones, 80Hrs Playtime Ear Buds with LED Power Display, Noise Canceling Headset, IPX7 Waterproof Earphones for Workout/Running Rose Gold

Wireless Earbuds, Sports Bluetooth Headphones, 80Hrs Playtime Ear Buds with LED Power Display, Noise Canceling Headset, IPX7 Waterproof Earphones for Workout/Running Rose Gold

(284)
$39.99
Prime
100+ bought in past month
Loading...
Wireless Earbuds Bluetooth 5.4 Headphones, Noise Canceling Ear Buds with 75hr Playtime, LED Power Display, IPX7 Waterproof Earphones Over Ear Earphones for Sports/Workouts

Wireless Earbuds Bluetooth 5.4 Headphones, Noise Canceling Ear Buds with 75hr Playtime, LED Power Display, IPX7 Waterproof Earphones Over Ear Earphones for Sports/Workouts

(142)
$29.99
FREE delivery Mon, Feb 2 on your first order
1K+ bought in past month
Loading...
Wireless Earbuds, Bluetooth 5.4 Headphones HiFi Stereo with 4 HD Mic, 50H Playtime Bluetooth Earbuds with LED Display, IPX7 Waterproof Wireless Earphones, Touch Control Ear Buds,USB-C White

Wireless Earbuds, Bluetooth 5.4 Headphones HiFi Stereo with 4 HD Mic, 50H Playtime Bluetooth Earbuds with LED Display, IPX7 Waterproof Wireless Earphones, Touch Control Ear Buds,USB-C White

(316)
$29.99
Prime
1K+ bought in past month
Loading...
Brita Stainless Steel Premium Filtering Water Bottle, BPA-Free, Reusable, Insulated, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Carbon - 20 oz.

Brita Stainless Steel Premium Filtering Water Bottle, BPA-Free, Reusable, Insulated, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Carbon - 20 oz.

(2,652)
$81.37$76.36
FREE delivery Sep 29 - Oct 2
Loading...
Simple Modern Filtered Water Bottle | Insulated Stainless-Steel Carbon Filter Travel Water Bottles | Reusable for Clean Drinking Water On The Go | 24oz, Sea Glass Sage

Simple Modern Filtered Water Bottle | Insulated Stainless-Steel Carbon Filter Travel Water Bottles | Reusable for Clean Drinking Water On The Go | 24oz, Sea Glass Sage

(26)
$30.13
FREE delivery Tue, Sep 23 on your first order
Loading...
FITVII Health & Fitness Tracker (Answer/Make Calls), Smart Watch with 24/7 Heart Rate and Blood Pressure, Sleep Tracking Monitor, 120+ Sport Mode Activity Tracker

FITVII Health & Fitness Tracker (Answer/Make Calls), Smart Watch with 24/7 Heart Rate and Blood Pressure, Sleep Tracking Monitor, 120+ Sport Mode Activity Tracker

(198)
$59.99
FREE delivery Sun, Aug 10
100+ bought in past month
Loading...
AYATAHA AYATAHA Smart Watch for Kids, Smartwatch Fitness Tracker for Boys Girls, Children's Activity Watch 37 Sports Modes SMS Notification, HD Full Touchscreen IP67 Waterproof, Blue

AYATAHA AYATAHA Smart Watch for Kids, Smartwatch Fitness Tracker for Boys Girls, Children's Activity Watch 37 Sports Modes SMS Notification, HD Full Touchscreen IP67 Waterproof, Blue

(55)
$41.99
PrimeFREE delivery Sat, Jun 14
Loading...
Iaret Iaret Smart Watch for Women, 1.83" HD Fitness Tracker with 4 Bands, Answer/Make Calls, Heart Rate/Sleep/SpO2/Step Tracking, 100+ Sport Modes, Android/iPhone Compatible Gift (Rose Gold)

Iaret Iaret Smart Watch for Women, 1.83" HD Fitness Tracker with 4 Bands, Answer/Make Calls, Heart Rate/Sleep/SpO2/Step Tracking, 100+ Sport Modes, Android/iPhone Compatible Gift (Rose Gold)

(42)
$59.99
FREE delivery Thu, Jun 19
100+ bought in past month
Loading...
Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

(980)
$39.99
FREE delivery Sun, Sep 21
300+ bought in past month
Loading...
Hand Warmers 2 Pack, 14000mAh Rechargeable Hand Warmers, Electric Hand Warmer Reusable, Portable Power Bank USB Hand Warmers 4 Levels 8 Heating, Gifts for Raynauds Ski Golf Camping

Hand Warmers 2 Pack, 14000mAh Rechargeable Hand Warmers, Electric Hand Warmer Reusable, Portable Power Bank USB Hand Warmers 4 Levels 8 Heating, Gifts for Raynauds Ski Golf Camping

(683)
$74.08$59.47
FREE delivery Jun 13 - 18
Loading...
Hand Warmers Rechargeable, 10000mAh Electric Heated Gloves Power Bank Portable Graphene Handwarmers Pouch with 3 Levels & Double-Sided Heating for Hunting Camping Golf Xmas Gifts for Women Men Kids

Hand Warmers Rechargeable, 10000mAh Electric Heated Gloves Power Bank Portable Graphene Handwarmers Pouch with 3 Levels & Double-Sided Heating for Hunting Camping Golf Xmas Gifts for Women Men Kids

(651)
$44.99
PrimeFREE delivery Sun, Jun 15
Loading...
2Pack Rechargeable Hand Warmer, 8000mAh Electric Hand Warmer Power Bank, Portable USB-C Hand Warmer for Pocket, Reusable Hand Warmer Up to 8 hrs Each, Warm Gift for Men Women, for Hunting, Camping
Amazon's Choice

2Pack Rechargeable Hand Warmer, 8000mAh Electric Hand Warmer Power Bank, Portable USB-C Hand Warmer for Pocket, Reusable Hand Warmer Up to 8 hrs Each, Warm Gift for Men Women, for Hunting, Camping

(1,128)
$15.99
FREE delivery Sat, Jun 14 on your first order
Loading...
GTOCE Portable Charger,40000mAh Power Bank with 22.5W Fast Charging LED Digital Display Battery Pack with 6 Outputs 2 Inputs, Type C Powerbank Portable Charger for iPhone 16 pro Samsung AirPods,Black

GTOCE Portable Charger,40000mAh Power Bank with 22.5W Fast Charging LED Digital Display Battery Pack with 6 Outputs 2 Inputs, Type C Powerbank Portable Charger for iPhone 16 pro Samsung AirPods,Black

(334)
$42.99
FREE delivery Thu, Oct 16
1K+ bought in past month
Loading...
Monster Sleep Ear100 Ear Buds, Sleep Earbuds with Stereo Sound, Design for Side Sleeper, 32H Playtime, Bluetooth 6.0, ENC Noise Cancelling, IPX6 Waterproof Mini Headphones, Black

Monster Sleep Ear100 Ear Buds, Sleep Earbuds with Stereo Sound, Design for Side Sleeper, 32H Playtime, Bluetooth 6.0, ENC Noise Cancelling, IPX6 Waterproof Mini Headphones, Black

(12)
$39.99
FREE delivery Wed, Feb 11
Loading...
Monster Sleep Ear100 Ear Buds, Sleep Earbuds with Stereo Sound, Design for Side Sleeper, 32H Playtime, Bluetooth 6.0, ENC Noise Cancelling, IPX6 Waterproof Mini Headphones, Black

Monster Sleep Ear100 Ear Buds, Sleep Earbuds with Stereo Sound, Design for Side Sleeper, 32H Playtime, Bluetooth 6.0, ENC Noise Cancelling, IPX6 Waterproof Mini Headphones, Black

(6)
$39.99
FREE delivery Sat, Dec 27
Loading...
Hydroponics Growing System Indoor Garden - Herb Garden with Grow Light, 15 Pods Stainless Steel Indoor Garden Kit, Auto Timer, Gardening Gift for All Ages

Hydroponics Growing System Indoor Garden - Herb Garden with Grow Light, 15 Pods Stainless Steel Indoor Garden Kit, Auto Timer, Gardening Gift for All Ages

(24)
$206.57$200.61
FREE delivery Jun 13 - 17
Loading...
Umbra Triflora Hanging Planter for Window, Indoor Herb Garden, Set of 5, White/Black

Umbra Triflora Hanging Planter for Window, Indoor Herb Garden, Set of 5, White/Black

(7,808)
$71.52
PrimeFREE delivery Sat, Jun 14
Loading...
Large Hydroponics Growing System 14 Pods, Indoor Herb Garden with LED Grow Light, 5L Water Tank, Hydroponic Grow Kit with 3 Auto-Timers, Rotatable Light Panel and Child Lock for Home School Gardening

Large Hydroponics Growing System 14 Pods, Indoor Herb Garden with LED Grow Light, 5L Water Tank, Hydroponic Grow Kit with 3 Auto-Timers, Rotatable Light Panel and Child Lock for Home School Gardening

(119)
$167.81
FREE delivery Jun 16 - 20
Loading...
Hanging Planter Hanging Plant Holder, 6 Inch 4 Indoor Plant Pots, Wall/Window Plant Hanger Indoor Herb Garden

Hanging Planter Hanging Plant Holder, 6 Inch 4 Indoor Plant Pots, Wall/Window Plant Hanger Indoor Herb Garden

(269)
$35.99$28.90
PrimeFREE delivery Sat, Jun 14
Loading...
slopehill Multi Hair Stylers & Hair Straightener - 2 in 1 Wet to Dry Air Straightener and Hair Dryer Combo with High Speed Air + Rapid Heat-Up + Customizable Temperature(Pink)

slopehill Multi Hair Stylers & Hair Straightener - 2 in 1 Wet to Dry Air Straightener and Hair Dryer Combo with High Speed Air + Rapid Heat-Up + Customizable Temperature(Pink)

(177)
$139.99
Prime
Loading...
Hi.FANCY Portable Laptop Stand with Dual Cooling Fans for 14-17inch Laptops, Grey, 23.5 x 25.9 x 0.95cm

Hi.FANCY Portable Laptop Stand with Dual Cooling Fans for 14-17inch Laptops, Grey, 23.5 x 25.9 x 0.95cm

(0)
$36.99
FREE delivery Aug 18 - 28
Loading...
Laptop Stand for Desk, Adjustable Laptop Riser ABS+Silicone Foldable Portable Laptop Holder, Ventilated Cooling Notebook Stand for 10-15.6” Laptops,Tablet-Black

Laptop Stand for Desk, Adjustable Laptop Riser ABS+Silicone Foldable Portable Laptop Holder, Ventilated Cooling Notebook Stand for 10-15.6” Laptops,Tablet-Black

(11,679)
$14.99
FREE delivery Sat, Jun 14 on your first order
500+ bought in past month
Loading...
JETech 5 in 1 Case for Samsung Galaxy S25 Ultra 5G with 2-Pack Each Tempered Glass Screen Protector and Camera Lens Protector, Non-Yellowing Shockproof Bumper Phone Cover (Clear)

JETech 5 in 1 Case for Samsung Galaxy S25 Ultra 5G with 2-Pack Each Tempered Glass Screen Protector and Camera Lens Protector, Non-Yellowing Shockproof Bumper Phone Cover (Clear)

(197)
$15.99
FREE delivery Sat, Jun 14 on your first order
100+ bought in past month
Loading...
TAURI for iPhone 17 Pro Max Case 6.9" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

TAURI for iPhone 17 Pro Max Case 6.9" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

(0)
$10.76
FREE delivery Thu, Oct 16 on your first order
2K+ bought in past month
Loading...
TAURI for iPhone 17 Pro Case 6.3" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard
Best Seller

TAURI for iPhone 17 Pro Case 6.3" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

(61,696)
$10.76
Prime
2K+ bought in past month
Loading...
JOINPAYA 1Set Rechargeable Hand Warmer Hand Heater for Winter Heating Levels Compact

JOINPAYA 1Set Rechargeable Hand Warmer Hand Heater for Winter Heating Levels Compact

(0)
$9.29
FREE delivery Jun 20 - Jul 4
Loading...
Shakven Rechargeable Hand Warmer | Cute Comfortable Portable Hand Warmers,Ergonomic Adjustable Energy-Efficient Small Heater for Travel, Outdoor, Winter

Shakven Rechargeable Hand Warmer | Cute Comfortable Portable Hand Warmers,Ergonomic Adjustable Energy-Efficient Small Heater for Travel, Outdoor, Winter

(0)
$26.93
FREE delivery Jun 19 - Jul 2
Loading...
OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

(50)
$39.99
PrimeFREE delivery Sat, Jun 14
Loading...
OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

(649)
$39.99
PrimeFREE delivery Sat, Jun 14