The Daily Index — Friday, April 3, 2026 · TLDR Index

PROGRAMMING, DESIGN & DATA SCIENCE

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MEET THE NEW CURSOR

Cursor 3 brings clarity to the work that agents produce, pulling users up to a higher level of abstraction. It is faster, cleaner, and more powerful. The new interface is inherently multi-workspace, so users can work with agents across different repositories. The company plans to continue making interface changes as more powerful coding models unlock new interaction patterns.

cursor.com · 10 min

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HOW AI HELPED ONE MAN (AND HIS BROTHER) BUILD A $1.8 BILLION COMPANY

Medvi, a telehealth provider of GLP-1 weight-loss drugs, took two months and around $20,000 to build. Its founder, Matthew Gallagher, used AI tools to write the code that powers the company, produce website copy, generate media for ads, handle customer service, and analyze business performance. He outsourced the other stuff he couldn't do himself and hired one employee, his younger brother. The startup is on track to do $1.8 billion in sales this year.

links.tldrnewsletter.com · 14 min

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BAD ANALOGIES

Amazon's success has done a great deal of harm to a lot of companies. Jeff Bezos is a generational entrepreneur who came from a hedge fund. He made a very calculated decision to lose money in the short term to make more in the long term. He took every detail into consideration to make his plan work. Amazon is a bad example of why it is okay to burn loads of cash during growth. The strategy doesn't always work out, especially if it is not executed correctly.

notboring.co · 18 min

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DEVELOPER RELATIONS AFTER THE CHEAT CODE MACHINE

Devrel has to be legible, not just to humans, but to the machines working alongside them.

sunilpai.dev · 11 min

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THE 2ND PHASE OF AGENTIC DEVELOPMENT

People will start using agents to attack old problems with modern tooling, resulting in new versions of software tools that people rely on but don't like.

dbreunig.com · 3 min

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AI CODING AGENTS, DECONSTRUCTED

This post details how to create a coding agent that adapts perfectly to custom workflows by clearly separating concerns.

blog.apiad.net · 32 min

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HOW MICROSOFT VAPORIZED A TRILLION DOLLARS

Microsoft lost its largest customer, OpenAI, and the trust of the US government, in one of the silliest, most preventable, and most costly mishaps of the 21st century.

isolveproblems.substack.com · 9 min

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WHY WE'RE RETHINKING CACHE FOR THE AI ERA

We need better cache policies and architectures to address the impact of AI bot traffic on cloud infrastructure, which is only going to continue to grow.

blog.cloudflare.com · 8 min