How we built security into Custom Agents
A look inside the security model behind Custom Agents, and what we learned testing it at scale.
Sean Keenan
Thoughts on the future of work,
from the people and teams creating it.
from the people and teams creating it.
Tech
— How we’re building Notion, block by block.
Two years of vector search at Notion: 10x scale, 1/10th cost
This is the story of how we scaled our vector search infrastructure by 10x while simultaneously reducing costs by 90 percent over the past two years.
Preeti Gondi, Mickey Liu, Nathan Louie, Calder Lund, Jacob Sager
Balancing cost and reliability for Spark on Kubernetes
Today, we’re excited to open-source Spot Balancer in collaboration with AWS, a tool that helped us reduce Spark compute costs by up to 90% while maintaining reliability.
Justin Lee
Software Engineer, Notion
Meet Scruff, Security's New AI Teammate
See how Notion’s security team built Scruff, an AI teammate that automates alert triage, speeds investigations, and scales with on-call demand.
Nishil Shah
Software Engineer, Notion
How we made Notion available offline
Offline Mode was Notion's most requested feature for years, but building it meant solving tough technical challenges around our unique block architecture. Here's the architecture and data model that made it possible.
Raymond Xu
Software Engineer, Notion
Notion’s hosted MCP server: an inside look
Earlier this year, we got requests for a Notion MCP server that would let AI agents work directly with Notion workspaces. Here’s how we built it, from our initial open-source experiment to today’s hosted solution with custom tools designed specifically for AI workflows.Kenneth Sinder
Software Engineer, Notion
Speed, Structure, and Smarts: The Notion AI Way
How we combine AI with structured data to deliver a best-in-class work product.
Sarah Sachs
How we evolve code: Notion’s “ratcheting” system using custom ESLint rules
Our custom ESLint approach gradually modernizes code without slowing development. By systematically tracking violations and distributing the workload of fixing them, we maintain high code-quality standards while keeping engineers focused on what matters most.Ankit Sardesai, Jake Teton-Landis
How we built custom emoji
Our challenge: load millions of personalized, sometimes animated emojis into a workspace without breaking everything. As we strive to make Notion the happiest workspace on earth, it was a technical puzzle worth solving.
Henry Chiu
A brief history of Notion’s data catalog
From chaos to clarity: How Notion transformed its data catalog for better efficiency and insights with TypeScript, JSON Schema, and LLMs.Wendy Jiao, Parul Baweja, Evelyn Wou