Nearby FriendsHow a Nearby Friends feature streams live locations at scale using WebSockets, Redis Pub/Sub and consistent hashing.7 min read·writer.mrmehta.inSep 27
How "nearby" actually works?This article explains how a proximity service finds nearby places at scale using geohash, quadtree and Redis caching.9 min read·writer.mrmehta.inSep 23
I Built an Autonomous Testing Framework for AI Agents.An autonomous, framework-agnostic testing harness where AI agents write, run, and remember the tests. (14)12 min read·writer.mrmehta.in2Aug 24
Agents should be Self-ishSelf gives AI agents verifiable human identity, preventing Sybil attacks, impersonation, and fraud while preserving privacy.8 min read·writer.mrmehta.in2Aug 19
Subagents vs A2A: One Is a Pattern, One Is a ProtocolSubagents structure one agent's internals. A2A connects agents across organizations. A TypeScript guide to agent cards, tasks, and auth.15 min read·writer.mrmehta.in2Aug 10