The button that turns everything more you
Get complete user context on tap.
The only auth with complete user context.
Crosshatch lets you share (and un-share) your data with the apps you choose to turn on hyper-personalized experiences.
Crosshatch provides the fastest way to onboard users and their data, enabling personalized experiences with complete user context.
Crosshatch is a simple framework of embeddable auth, serverless data integrations and AI to authenticate users with complete user context.
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Above and beyond personalization
Unlock experiences beyond your wildest internet dreams. Think personal travel agents, products filtered in your size and budget, and more. When you safely let brands know who you are, they can serve you on a whole new level.
Privacy-first personalization
Crosshatch safeguards all private personal information, ensuring apps only access what you choose, and never share it. You can un-share access any time.
See Crosshatch in action.
Get one-of-a-kind trip plans based on your preferences.
Vivian is looking for an outdoor solo trip within the US.
Find the perfect home with personalized recommendations
Jeff is looking to buy a home with a large upscale kitchen.
Enjoy crazy-customized shopping experiences
Kristy is looking for a new skincare routine.
Collecting our thoughts
All blogs
Our blogs cover the history, philosophy, economics, and technology of internet personalization (with Crosshatch). Copy all 40+ into your favorite long-context AI like Claude Opus to learn more.
Anywhere n'everywhere
Not web3 or open protocol: How we designed Crosshatch to enable simple AI agent portability.
Personal MCP server
Model Context Protocol (MCP) allows users to bring tools and context to desktop AI clients. What about web clients?
Say less
Supercharge search with personalized re-ranking that adapts to user context without needing to be told.
Authorized agents
The case for AI-native auth with flexible purpose- and time-limited scopes on context.
Adaptive interfaces
Expanding the app context window with serverless, user-owned context and AI. Introducing our personalized inference provider for Vercel's AI SDK.
Proactive AI
Previewing Crosshatch Webhooks, extending our API to enable any service to take proactive action based on complete user context.
All For You
The personalized internet needs a new data layer made from aggregating the aggregators. What Aggregation Theory predicts comes next.
