For founders, builders & operators

Turn what you read
into posts people engage with

Mainline pulls from your news feeds, GitHub commits, and notes — and generates 4 draft angles in your voice, ready to ship on X or LinkedIn.

mainline.live/studio

Sources

Articles

Anthropic leak reveals new model “Claude Mythos”

The Decoder

Commits

mainline

Add company news tracking

mainline

Shift drafts to personal takes

mainline

Fix AI topic starvation

Mainline Studio

4 angles generated · X

X
Generate →
My take184/280

Security theater is alive and well in AI labs

An accidental leak from Anthropic just revealed their next-gen model. Not through sophisticated hacking — through a routine deployment slip. When you're racing to ship, security becomes a checkbox.

What this means150/280

The AI arms race is driving reckless timelines

What actually concerns me about the Anthropic leak isn't the leaked model — it's what the leak tells us about the pace these companies are moving.

Contrarian192/280

The leak might be the most honest thing Anthropic has done

We obsess over polished launches and controlled narratives. An accidental leak shows the messy reality of shipping AI. Maybe that's more trustworthy than a press release.

I keep seeing this176/280

Every lab says safety-first. Every roadmap says ship faster.

This Anthropic leak is the third major AI incident this quarter. At what point does the industry admit that velocity and safety can't both win?

Draft Editor

LinkedIn · 906 chars

What actually concerns me about the Anthropic leak isn't the leaked model — it's what the leak tells us about the pace these companies are moving.

When you're racing someone else to deploy the next-generation system, security becomes friction. You cut corners. You move faster than your operational capacity allows.

Both Anthropic and OpenAI are shipping models at a velocity that's ahead of their ability to secure them properly. That's not a feature of healthy competition — that's a sign the market is broken.

Open LinkedIn (draft copied)
Save draft

How it works

From signal to shipped post in minutes

AllAITechFinanceFounders

The Decoder

Anthropic leak reveals Claude Mythos

TechCrunch AI

Google ships Gemini 2.5 with reasoning

OpenAI Blog

Introducing o3-mini for developers

1. Pick your signals

Browse curated feeds across AI, Tech, Finance, Founders, and your city. Check what matters today.

Commits
mainAdd company news tracking
mainFix AI topic starvation

My take

What this means

Contrarian

I keep seeing this

2. Generate 4 angles

Studio bundles your articles and commits. One click generates your take, the bigger picture, a contrarian view, and a pattern you keep noticing.

X · 280 chars
LinkedIn

The AI arms race is driving reckless timelines.

Anthropic and OpenAI are shipping models at a velocity that's ahead of their ability to secure them.

That's not healthy competition. That's a broken market.

Open LinkedIn (draft copied) →

3. Ship it

Pick your angle, copy to clipboard or open X/LinkedIn directly. Your draft is waiting, your voice intact.

News Hub

Every feed that matters, already in one place

30+ curated sources across AI, Tech, Finance, Crypto, Founders, and your city. Refresh, browse, select. Add your own RSS feeds or track companies you follow.

AI: OpenAI, Anthropic, Google DeepMind, VentureBeat, The Decoder

Tech: Hacker News, Ars Technica, The Verge, TechCrunch

Founders: a16z, YC, SaaStr, Lenny's Newsletter

Cities: NYC, SF, LA, Chicago, Austin, Seattle, Miami, London

All 312AI 28Tech 41Finance 19Founders 14NYC 9
AIOpenAI Blog2h ago

Introducing GPT-5 with extended thinking

AIThe Decoder3h ago

Anthropic leak reveals Claude Mythos training setup

AIVentureBeat AI5h ago

Cursor raises $100M as AI coding tools heat up

AIBen's Bites6h ago

Google Gemini 2.5 outperforms on coding benchmarks

AISimon Willison8h ago

What I've learned from a year of using LLMs in production

Recent Commits

● Connected
my-startup3b049c92h ago

Ship company news tracking feature

+82-14
my-startup96bdffb7h ago

Fix dark mode CSS variable bug

+20-20
my-startup67b85bc9h ago

Cap 30 articles per source in news feed

+46-22
my-startupc1e3fa21d ago

Add rate limiting to generation endpoint

+34-6

GitHub Integration

Your commits are content.
You just haven't written it yet.

Connect your GitHub and every commit becomes a signal. Ship a feature, fix a bug, refactor something gnarly — send it straight to Studio and turn it into a build-in-public post in your voice.

Syncs your last 90 days of commits across repos

One click to pull any commit into Studio

Pair with news for context-rich posts

Real outputs

What Mainline actually writes

From one article about the Anthropic leak. Four angles. All different. All yours to edit.

My take
X184/280

Security theater is alive and well in AI labs. An accidental leak from Anthropic just revealed their next-gen model. Not through hacking — through a routine deployment slip. When you're racing to ship, security becomes a checkbox. That's the real story.

What this means
LinkedIn906 chars

What actually concerns me about the Anthropic leak isn't the leaked model — it's what the leak tells us about the pace these companies are moving. When you're racing someone else to deploy the next-generation system, security becomes friction. You cut corners. You move faster than your operational capacity allows. Both Anthropic and OpenAI are shipping models at a velocity that's ahead of their ability to secure them properly.

Contrarian
X192/280

Hot take: the Anthropic leak might be the most honest thing they've done. We obsess over polished launches and controlled narratives. An accident shows the messy reality of shipping AI. Maybe that's more trustworthy than a press release.

I keep seeing this
X176/280

Every lab says safety-first. Every roadmap says ship faster. This Anthropic leak is the third major AI incident this quarter. At what point does the industry admit that velocity and safety can't both win?

One article. One click. Four posts ready to ship.

You already do the work.
Start talking about it.

Connect your feeds, link your GitHub, and have a post ready in the next 5 minutes.

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