Now in private beta

The Anti-Slop
Content Engine.

In a world of sameness, the content that drives inbound is what only YOU can say. HeartStack agents build your second brain, then turn it into content and strategy shaped by your voice and real market signals.

Mika
Mika
The Listener
Sage
Sage
The Strategist
Kai
Kai
The Writer
Reva
Reva
The Critic

Most Content Is All AI.

LinkedIn is full of AI-generated content that all sounds the same. The best content is a mix of human thinking and AI capability. HeartStack keeps your lived experience in every step. The AI amplifies your voice. It never replaces it.

HumanAI
How to Make Slop
vs
How to Create Content Worth Reading
Voice Note To Pipeline

Capture It Anywhere. Ship It Everywhere.

Your best ideas don't happen at your desk. They happen when you can't capture them, and most get lost. Message HeartStack on WhatsApp in the moment. In a meeting and a customer says something brilliant? Capture it instantly. HeartStack extracts the insight, tags it, prioritizes it, and stores it in your knowledge vault all in seconds.

HeartStack AI
online

Editor
MikaSource insight

Implementation speed is the real moat, not model quality

GTM Strategy🥇 Gold

Choose an angle

Contrarian hot takeFounder lessonIndustry analysis
KaiKai’s draft

Everyone’s building better models.

Almost nobody’s building better onboarding.


Our biggest enterprise deal closed last week. When I asked why they picked us, the answer wasn’t accuracy, features, or pricing.


It was: “We were live in 3 days. Your competitor quoted 3 months.”

Ask for changes|B
Make this punchier and more specificSend
KaiKai is rewriting this section...
Extraction Over Generation

Co-Create With AI. Never Outsource Your Thinking.

Pick a vault entry, choose an angle, and Kai drafts in your voice. Every edit you make teaches Kai your preferences, so each draft sounds more like you than the last. Your POV stays in the driver’s seat.


Anti-Slop By Default

Quality Gate, Not Regenerate Button.

52 banned slop words. 5 authenticity checks. 4 scoring dimensions. Every draft hits a quality bar before it reaches your feed, and you get specific fixes when it falls short.

Reva
Reva’s Assessment
Scoring and feedback
Getting There7.3 / 10
Voice match
8/10
Audience fit
7/10
Conviction
9/10
!Hook quality
5/10

Hook 5/10: Your opening is generic. Lead with the “3 days vs 3 months” comparison from paragraph 2 for an immediate contrarian punch.

Vague claimMissing detailVoice ✓Conviction ✓No slop ✓
Authenticity Score82

Your human edits push this score higher. Keep going.


Sage
Sage’s Weekly Brief
Strategy and content planning

Funnel Balance

Awareness40%
Authority35%↓ low
Conversion25%

Authority is 5% below target. Too many hot takes, not enough depth.

SagePattern Detected

Your highest-converting post was a founder lesson, but you’ve been posting mostly hot takes. Shifting to Authority content will drive more inbound calls.

This Week’s Priority

Draft from “Implementation speed is the real moat” using an Authority angle. This closes your Product Engineering pillar gap and balances your funnel.

AuthorityProduct Engineering🥇 Gold tier entry
Strategy On Autopilot

Every Post Maps to Your Funnel.

Sage reads your analytics, spots what’s actually driving results, and builds your strategy around it. He tracks your funnel balance, finds patterns in your top posts, and tells you exactly what to write next and why. No guessing. No posting 5 hot takes in a row and wondering why nobody books a call.

How It Works

Your AI Agents Get Smarter as You Build Your Living Vault.

Every thought you capture grows your second brain. From a WhatsApp message on your commute to a published post that lands you a customer call, each agent owns a critical content job. Capture, strategy, drafting, and quality. You stay in the loop at every step. The AI never publishes without you.

Mika
The Listener
Mika

Your ideas, captured before they disappear.

Send a WhatsApp voice note on your morning walk. Upload a PDF from a customer call. Paste a URL that inspired you. Mika listens, extracts the real insight, and stores it in your Knowledge Vault, ready to become content.

🎙️
4 capture methods

Voice, text, document, or URL

🧠
Structured extraction

Insight, pillar, hook angle, tier, and more

Instant processing

From raw thought to vault entry in seconds

Sage
The Strategist
Sage

Stop guessing what to post next.

Sage reads your vault, your analytics, and your content history. He spots what’s performing, identifies pillar gaps, tracks your funnel balance, and tells you exactly what to write next and why.

📊
Funnel tracking

Awareness, authority, and conversion balance

🔍
Pattern detection

Spots what’s driving results in your analytics

🎯
Weekly priority

One recommended post with angle, entry, and reason

Kai
The Writer
Kai

Writes like you. Learns from every edit.

Kai drafts posts matched to your voice fingerprint, then learns from every change you make. The more you edit, the fewer edits you need next time. Highlight any section to ask for rewrites or pick an angle to shape the draft.

✍️
Voice-matched drafts

Trained on your tone, opinions, and style

💬
Learns from your edits

Every correction teaches Kai your preferences

🎯
Angle selection

Choose from extracted angles or let Kai decide

Reva
The Critic
Reva

Zero flattery. If it reads like slop, she’ll say so.

Reva runs a two-layer quality gate: first a deterministic scan for 52 banned slop words and formatting issues, then an AI-powered score across four dimensions. You get a readiness tier and specific fixes, not a thumbs up.

🚫
52 slop word scan

Catches filler phrases other tools miss

📊
4-dimension scoring

Voice match, audience fit, conviction, hook quality

🔧
Specific fixes

Tells you exactly what to change and why

Real Results from Real Users.

Measured by HeartStack users during beta. Not projections.

10+
Inbounds per week
DMs, calls, and meetings from real decision-makers
6x
More posts shipped
Same time budget, 6x more output
68%
Less time per post
You only spend time where you add real human value
$79 vs $3K
Per month
Just you and your AI agent team, for a fraction of the cost of an agency
Zero AI slop permitted
Voice fingerprint matching
Co-creates, never replaces
No agency needed

What Changes When AI Works With You, Not For You.

Drag the slider to see how HeartStack changes your workflow.

Without HeartStack
Open ChatGPT with zero raw material
Prompt: “Write me a LinkedIn post about leadership”
Get generic output from AI training data
Spend 30 min rewriting or just post the slop
With HeartStack
Capture your thinking anywhere, anytime in seconds
Your AI agent team extracts real insights that make great content
Keep building your second brain so your agents get smarter
Turn what only YOU can say into on-brand content
Built For Builders

You Have the Expertise. HeartStack Turns It Into Inbound.

HeartStack turns your founder POV into real inbound, without outsourcing your thinking to a chatbot.

🏗️

Technical founders

You can explain distributed systems in your sleep but stare at the LinkedIn cursor for 30 minutes. Send HeartStack a voice note with your take and co-create a post that turns your expertise into inbound.

⏱️

Time-starved CEOs

11 minutes between board prep and your next investor call. A WhatsApp message to HeartStack captures the insight. When you have 5 minutes later, co-create a post that drives real conversations.

🚫

Anti-slop founders

You tried ChatGPT for content and hated the output. Of course you did. It generated from training data, not your lived experience. HeartStack keeps your thinking in the loop and built an entire scoring agent to catch the patterns you hate.

Frequently Asked Questions.

From Voice Note
to Pipeline.

For founders who refuse to outsource their thinking. Build your second brain, capture your real insights, and co-create content that actually drives inbound.