The Lobster Talks Podcast by Lobster Capital

Most founders think they need to monetize on day one, but this YC breakout grew to 2 million weekly downloads by giving everything away for free, and now they power ChatGPT.

In this episode of The Lobster Talks, we sit down with Bereket, the founder of BetterAuth, to dissect the ultimate open-source distribution playbook.

Moving directly from Ethiopia to Silicon Valley, Bereket built an authentication powerhouse that is disrupting legacy vendors and establishing the new standard for the AI agent economy.

We break down the transition from human auth to agent identity, the playbook behind corporate acquisitions like Anthropic buying Bun, and why rushing your monetization strategy can kill your hypergrowth.

What you will learn:

• The exact mechanics BetterAuth used to scale from 150K to 2 million weekly downloads without a marketing budget.
• Why building a high-quality open-source ecosystem is the highest-leverage distribution hack in tech.
• How Anthropic’s acquisition of Bun proves that massive developer utility trumps early monetization.
• The unbundled future of identity: Why the massive explosion of AI agents requires a completely new auth protocol.
• How Claude Code and LLM recommendations are completely replacing traditional B2B SaaS marketing funnels.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

Chapters: 

00:00 Open Source Distribution

00:27 YC Roaster Sponsor

01:07 Meet BetterAuth Founder

01:36 BetterAuth Explained

02:21 Insane Growth Story

03:28 How Word of Mouth Wins

06:26 Open Source Playbook

08:50 Monetizing Open Source

09:58 Docker and Bun Lessons

14:45 Avoiding Hosted Auth Trap

15:44 Agent Auth Breakthrough

17:43 Protocol and Future Plans

19:49 Why Not Hosted Yet

20:54 Bottom Up Standards

21:42 Mission For Agent Auth

23:06 Ethiopia To YC Journey

24:33 YC Content Flywheel

25:45 Family Reactions And Impact

27:55 Better Auth Roadmap

29:16 Better X Side Projects

30:23 AI Coding And Momentum

34:16 Winning AI Recommendations

36:19 Final Advice And Wrap

🎧 Listen on the go: 

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP 

Apple: https://apple.co/4cZ8RMm 

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com

The consensus view is that early-stage investing is entirely about a gut feeling on game day. The reality? By the time the first founder steps on stage at Y Combinator’s Demo Day, the best deals are already effectively closed. 

In this episode of The Lobster Talks, we sit down with David, founder of Fondo and a seasoned YC alum who has navigated the Demo Day trenches for over a decade as both a founder and an investor. We strip away the mythology of Silicon Valley’s most exclusive deal-making event to give you the tactical playbook for navigating a hyper-competitive, founder-first market.

What you will learn:

• How to build a high-conviction shortlist weeks before Demo Day using Launch YC.
• The unwritten etiquette rules of the YC investor database and how a bad rating can ruin your deal flow.
• Why negotiating valuation as a small check is an immediate amateur signal.
• The mechanics of the "Handshake Agreement" and why breaking it is catastrophic for your reputation.
• The exact timelines required to close allocations before the herd catches up.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

Chapters:

00:00 Prep Spectrum Mindset

00:34 YC Roaster Sponsor

01:14 Episode Intro Demo Day

01:55 What Is Demo Day

04:14 Luck vs Strategy

06:09 Before Demo Day Research

07:02 Launch YC Deep Dive

08:47 Shortlist and Thesis

09:24 At Demo Day Game Plan

10:14 Outreach and Meetings

12:16 Move Fast Handshake

13:28 Handshake Deal Basics

13:44 Investor Ratings Etiquette

15:35 Breaking the Handshake

17:10 Founders Are the VIPs

17:36 Dont Negotiate Valuation

19:42 After Demo Day Follow Up

21:00 Persistence Check Size Strategy

22:54 Speed Wins Post Demo Day

24:17 Reputation Access Flywheel

25:21 First Demo Day Playbook

27:27 Final Advice See You

🎧 Listen on the go: 

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP 

Apple: https://apple.co/4cZ8RMm 

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com

Big tech is staring down a multi-year bottleneck. and it isn't chips... it's power.

While hyperscalers are waiting up to a decade just to hook new AI data centers to the traditional grid, ex-Tesla engineers are bypassing the system entirely.

In this episode, Casey, founder of Voxel Energy, breaks down how they are deploying independent, solar-and-battery-powered data centers in just 150 days. By utilizing a first-principles, 100% DC microgrid architecture and repurposing salvaged Tesla electric vehicle batteries, Voxel isn't just circumventing the grid; they're turning data centers from massive liabilities into grid-stabilizing assets.

Tune in to hear how the AI boom might accidentally solve America's clean energy transition.

What you will learn:

• Why a 10MW data center faces a 7-to-10-year wait time on the West Coast, and how to slash it to 150 days.
• The architectural secret behind a 100% DC microgrid and how it yields up to 30% in energy savings.
• Why Nvidia officially mandates on-site batteries to protect hardware from millisecond utilization spikes.
• How Voxel Energy leverages a arbitrage loop using repurposed Tesla Model 3 and Y batteries.
• Insider lessons from Elon Musk’s 2018 "Model 3 Production Hell" and what it takes to build an execution-first deep tech company.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

Chapters: 

00:00 Secret Renewables Mission

00:33 YC Roaster Sponsor

01:13 AI Energy Crunch

01:54 Gridless Data Centers

03:20 Solar Battery Advantage

05:14 Battery Supply Hack

06:29 Repurposing Tesla Packs

08:05 Scaling And Execution

12:57 DC Microgrid Efficiency

15:13 Defensibility And Patents

17:03 Becoming A Grid Asset

18:12 Selling Power Back

21:43 Public Perception Shift

23:03 Elon Lessons On Story

26:27 Why Energy Feels Boring

27:16 Tesla Energy Money Printer

28:19 Elon Credibility Loop

29:23 Self Driving Promises

30:18 Speculation Fuels Execution

31:01 Tesla Origins Autopilot

31:45 Elonize Voxel Mission

34:11 Fun Culture At Tesla

37:34 Save Us Elon Reveal

39:54 Nvidia Battery Mandate

44:10 Solar Nuclear Batteries

47:07 Gigawatt Data Center Timelines

49:40 Distributed Vs Central Redundancy

51:12 Closing Thanks Subscribe

🎧 Listen on the go: 

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP 

Apple: https://apple.co/4cZ8RMm 

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com

Most investors think VR is a dead gaming gimmick. Nathan from Vinci Games proved them entirely wrong by building a multi-million dollar studio right out of Y Combinator.

In this episode of The Lobster Talks, I sit down with Nathan, the CEO of Vinci Games, one of the few breakout VR studios backed by YC. 

They dive deep into how Vinci Games launched the 11th highest-rated Quest game of all time, the secret mechanics behind free-to-play loops for Gen Z, and the intense founder journey of turning down an investment from Mark Cuban to bet it all on a YC application.

What you’ll learn in this episode:

• How to spot massive unaddressed arbitrage opportunities by porting proven Web2/console genres into spatial computing.
• The raw mechanics of going viral on Reddit and TikTok to achieve instant product-market fit before writing a single line of production code.
• The strategic frameworks behind executing a hard studio pivot from adult audiences to highly volatile but lucrative teen markets.
• Why the current VR hardware constraints are actually a strategic moat for early-stage engineering teams.
• The realistic future of AR/VR mainstream convergence and where the venture capital dollars will actually flow.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

Chapters:

00:00 Prototype Goes Viral

00:26 YC Roaster Sponsor

01:06 Gorilla Tag Success Story

02:02 Meet Nathan and Vinci

02:13 Rough Knots Origin

04:23 Why Pokemon Works in VR

06:47 VR Movement as Exercise

07:06 First Game and Market Shift

08:15 Basketball VR Prototype

09:59 Porting Winners to New Platforms

11:20 Fans Demand a Full Game

12:48 Mark Cuban Cold Email

14:26 Turning Down Cuban for YC

15:18 Scrappy Launch Gets YC Call

16:50 Why Build a Second Game

19:12 Pivoting for Gen Z

19:38 Free to Play VR Grind

20:28 Kids Driving VR Adoption

21:34 Adult VR Use Cases

22:52 AR Glasses and Convergence

24:30 What Blocks Mainstream

26:43 Surviving Being Early

28:12 Building VR Studio Muscle

30:11 Staying Focused Through Hype

31:31 AI as Workflow Amplifier

33:59 Why So Few VR Startups

37:05 YC Reflects the Market

39:15 Closing Thanks and Subscribe

🎧 Listen on the go: 

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP 

Apple: https://apple.co/4cZ8RMm 

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com

The bottleneck for space isn't rockets anymore, it’s real estate.

In this episode, we sit down with Skyler, the founder of GRU Space (YC W26), the company building the first hotel on the moon.

We dive deep into why the "hotel" is actually a strategic wedge for lunar infrastructure, how they plan to manufacture bricks using moon dust (Regolith), and why NASA is pivoting its $20B budget toward off-world habitation.

What you’ll learn:

• Why "In-Situ Resource Utilization" (ISRU) is the key to a space-faring civilization.
• The YC interview strategy that won over a skeptical partner.
• How to engineer $0 PR and generate billions of impressions.
• The "SpaceX Parallel": How to work backward from a massive goal.
• Why brands like Coca-Cola and Nike are eyeing lunar naming rights.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

Chapters: 

00:00 Next Bottleneck Habitats

00:26 YC Roaster Sponsor Break

01:16 Meet GRU Space

02:43 Moon Bricks From Regolith

03:30 Skyler Origin Story

05:56 Why Humans Not Just Robots

07:44 Moon Hotel As Economic Wedge

10:43 Mars City Backwards Plan

13:03 NASA Funding Lunar Rush

15:54 Reservations Timeline 2032

16:42 Handling Haters And Noise

18:52 Ignore the Haters

19:47 YC Interview Story

23:21 Engineering Virality

27:18 Why It Went Global

29:00 Pricing and Founder Lessons

30:42 Branding on Moon Bricks

33:44 Souvenirs and Sign Off

🎧 Listen on the go: 

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP 

Apple: https://apple.co/4cZ8RMm 

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com

Most founders think they need a perfect product to launch. Zach from Adam proved that virality is a choice, but it comes with a price tag you might not be ready to pay.

In this episode of The Lobster Talk, we sit down with Zach, the founder of Adam (YC W25), an AI-native CAD platform. We go behind the scenes of his multiple viral launches, why he regrets using a waitlist, and the terrifying realization that vertical AI agents might be losing the war to general-purpose models.

What you’ll learn:

• How to engineer virality by being "opinionated" and "divisive."
• The technical shift from domain-specific co-pilots to generalist agents.
• Why "always be launching" is the only GTM strategy that matters in 2026.
• The nightmare of managing 30k leads and email deliverability.
• Predictions for the state of CAD and manufacturing by 2031.
• 
  

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

Chapters: 

00:00 Anything Can Launch

00:31 YC Roaster Ad Break

01:11 Meet Zach From Adam

01:50 AI CAD Explained

04:01 Agents And Model Moats

07:07 Model Agnostic Or Replaced

10:14 Competition In AI CAD

11:32 Selling Into Enterprises

16:24 Engineering Virality

18:31 Marketing That Doesn’t Look

20:01 Haters Fuel The Launch

21:07 Opinionated Marketing Wins

22:09 Virality Into Revenue

24:00 Always Be Launching

26:25 YC Waitlist Mistake

27:44 Rebuilding During YC

30:31 Productizing A General Agent

34:29 Beyond CAD Workflows

35:47 CAD And Manufacturing 2031

38:07 Defensibility Software Vs Hardware

39:47 Final Wrap And Thanks

🎧 Listen on the go: 

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP

Apple: https://apple.co/4cZ8RMm

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com

The growth bar for YC just hit the stratosphere.

In this episode, we dive into the staggering metrics of the latest Y Combinator batch (P26), where startups are hitting $11M ARR before Demo Day and hardware is making a massive comeback. We break down the "Request for Startups," the future of SaaS in an AGI world, and why the most "defensible" companies are now escaping the screen.

In this episode, you’ll learn:

- How a startup raised at a $175M valuation before even starting YC.

- The rise of "Barbarian" founders disrupting defense and space.

- Why YC is betting on "AI escaping the screen" (Robotics, Agriculture, Medicine).

- The "Build vs. Buy" shift: Why SaaS prices are about to compress.

- The "FDE" (Forward Deployed Engineer) model and how AI agents are scaling enterprise sales.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

Chapters:

00:00 Record Batch Revenue Buzz

00:40 Free YC Application Feedback

01:21 P26 RFS Episode Kickoff

02:02 YC at 175M Valuation

04:46 Robotic Bird Spy Drones

06:12 AI vs Hardware Bifurcation

09:20 How to Underwrite Defense

10:52 AI Escapes the Screen

16:06 Is SaaS Actually Dead

19:24 Moats Still Matter

19:59 Build vs Buy Tradeoff

20:33 SaaS After AGI

20:38 Agent Services Wave

22:03 Adobe and Price Compression

23:45 Claude Says Just Buy

24:12 Apple OS and Hardware Shift

25:55 Founder Age and Deep Tech

27:07 Is Hardware Defensible

28:22 Fresh Eyes Disrupt Industries

31:25 Selling to Big Companies

33:27 AI Enables Enterprise GTM

35:56 AI First Companies and Wrap

🎧 Listen on the go:

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP

Apple: https://apple.co/4cZ8RMm

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications.

🔗 https://ycroaster.com

Hollywood is about to hit a "James Cameron" moment where $200M visions no longer require $200M budgets.

In this episode, I sit down with Mehul, the 24-year-old founder of Koyal (YC), who is building the platform that generated the first full-length Bollywood film entirely with AI. We dive into why traditional experience is becoming a liability in Silicon Valley, the "Film Arena" benchmarking the world's best models, and why the future of Netflix is a "choose your own adventure" generated in real-time.

What you’ll learn:

- Why Silicon Valley views 24 as the cutoff for "young" founders.

- The "Film Arena": How Koyal benchmarks Runway, Luma, and Kling.

- Why the "Infinite Canvas" UI is a mistake for creative tools.

- How AI allows for "reshooting" a movie without a single set.

- The future of interactive media: Starring in your own Harry Potter.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

TIMESTAMPS:

00:00 AI Films Explained

00:33 Sponsor YC Roaster

01:13 Meet Koyal Founder

02:01 Young Founder Advantage

02:58 Experience Versus New Tech

07:01 Co Founding With Family

10:46 Democratizing Movie Budgets

12:35 Actors Avatars Hybrid Sets

14:02 Selling To Hollywood

15:46 Koyal Workflow Like Filmmaking

18:30 Hollywood Adoption And Theaters

20:37 T Series And Product Evolution

25:07 Shooting Impossible Locations

26:35 AI Beats Green Screen

26:46 Avatar Lesson on Timing

27:52 AI Augments Creators

28:56 Future Media Two Paths

29:32 Real Time Interactive Movies

30:50 Bandersnatch and Engagement

34:30 Pixels to 3D Immersion

38:09 How Much Control Is Too Much

39:19 Personalized Harry Potter Worlds

41:29 Licensing IP and UGC

42:42 Koyal Strong Product Opinions

48:37 Wrap Up and Community Plans

🎧 Listen on the go:

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP

Apple: https://apple.co/4cZ8RMm

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications.

🔗 https://ycroaster.com

Most developers are still coding in the past. 

While the world is obsessed with AI autocomplete, a new breed of YC founders is building a future where one developer manages ten AI agents in parallel.

In this episode, I sit down with Kiet, co-founder of Superset (YC P26), to discuss the massive shift from writing code to orchestrating swarms of agents. We dive into why traditional IDEs like Cursor are failing the agentic era and how "worktrees" are the secret to scaling your output.

What you will learn:

• Why the role of a developer has shifted from "Writer" to "Editor" to "Orchestrator."
• The technical limitations of current IDEs when running multiple agents.
• How to use Git worktrees to give every AI agent its own isolated environment.
• The future of "Intent" and how tools like Linear will integrate directly into the code.
• Why "human-in-the-loop" is the current meta, and where it goes next.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

TIMESTAMPS:

00:00 Cursor Becomes Secondary

00:51 YC Roaster Ad Break

01:35 Podcast Welcome And Setup

02:41 Meet Superset And The Problem

05:12 Why Cursor No Longer Fits

07:13 Superset Parallel Workspaces

10:32 Go To Market And Growth

14:50 Staying Relevant In Fast AI

16:29 Invariants And Agent Future

20:53 Building Primitives Now

24:13 Linear And Task Systems Debate

27:12 APIs And Defensibility

28:41 YC Shoutouts And Whats Next

30:11 YC Records And AI Boom

31:43 AI Adoption Gap Outside SF

32:30 YC Cycle Compresses With Agents

10:32 Should YC Be One Month

35:50 Second Time In YC

37:18 Why Repeat Founders Return

41:13 YC Confidence And Mentorship

46:00 Leaving A Startup To Start Superset

48:08 Team First Thesis For Superset

53:11 Risk Taking And Fear Setting

56:49 Superset Plug And Farewell

🎧 Listen on the go: 

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP 

Apple: https://apple.co/4cZ8RMm 

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com

There is a dangerous "founder aura" in Silicon Valley… the idea that you must be a 22-year-old Ivy League dropout with a perfect linear trajectory to win. It’s a myth that keeps great founders from starting.

Conor and Manu didn’t check a single "consensus" box: they were in their 30s, didn't come from FAANG, and were rejected by YC multiple times. Yet, Connor became the "star" of his batch by doing the opposite of what most PR firms advise: he leaned into the mess. He posted about sleeping in closets, being neurodivergent, and the "vibe" of his team.

Authenticity isn't just a "nice to have" for your personal brand; it’s a filter for your cap table. By being brutally honest about the grittiness of the journey, you repel the "fair-weather" investors and attract the ones who actually understand that startups are mostly a series of controlled fires.

In this episode, we sit down with Conor from Hyper Spell (YC F25) to discuss the "star" founder's journey, the brutal reality of YC rejections, and why the future of sales belongs to agents, not humans.

What you’ll learn:

• Why Hyper Spell refunded all its customers to pivot just months before YC.
• How to optimize your technical documentation for "Agentic Discovery."
• The "Slope vs. Intercept" framework for hiring wizards over Ivy League grads.
• Why authenticity and "vibe" are the ultimate trust-builders in Silicon Valley.
• The "Agent-to-Agent" hiring process that ignores resumes entirely.

📌 Watch now and subscribe for more smart, fast, founder-first interviews.

00:00 Resilience Mindset

00:37 YC Roaster Sponsor

01:21 Podcast Warm Welcome

01:57 Why YC Community

04:58 Hyperspell Explained

05:33 Origin Story Pivot

09:29 Pivot Timing YC

11:03 YC Rejections Lessons

00:00 No Means Not Yet

14:19 Authenticity Builds Brand

15:52 Breaking Founder Myths

19:23 Being Real Online

21:16 Unique Founder Stories

26:22 Twitter and Customers

27:53 Authenticity Builds Trust

29:44 Overdelivering for Customers

32:45 Humans Still Decide

36:44 Selling to Agents Playbook

39:01 Building for Agent UX

43:29 Agent Hiring Meritocracy

48:00 Choosing the Right Cofounder

53:57 Hyper Spell Roadmap

56:01 Closing Thanks and Wrap

🎧 Listen on the go:

Spotify: https://open.spotify.com/show/1u1JyRKH8JYFjhBkvTUOAP

Apple: https://apple.co/4cZ8RMm

My other YouTube Channel: https://www.youtube.com/@lobstercap

This Lobster Talks episode is brought to you by YC Roaster, a free tool helping founders improve their YC applications. 

🔗 https://ycroaster.com