persistent.info: Sierra MCP Gateway Dev Diary

kept by eddie jul 23

The diary chronicles Sierra engineers’ incremental construction of an MCP gateway, detailing weekly service additions, user adoption, and solutions for secure data access.

Today's harness is Tomorrow's Prompt
Temporary scaffolding around AI models becomes obsolete as models improve, so developers should build these harnesses cheap enough to discard.
also on Pinecone, #software-engineering, #developer-tools
How AI Agent Memory Works
An interactive essay explains how agent memory systems work through context windows, embeddings, and retrieval architectures to overcome LLM statelessness.
also on Pinecone
The AI-native interview
Sierra redesigned its engineering interviews to focus on product thinking and AI-augmented building rather than traditional coding and algorithms.
also on Sierra, #ai-coding, #software-engineering, #developer-tools
Data is your only moat
The article argues that data collected from user adoption is the only sustainable moat for AI applications, with easy-to-adopt, easy-to-solve use cases being value traps for startups.
also on Sierra, #ai-coding
Cursor agent best practices
Cursor's official guide details best practices for coding agents, emphasizing planning, context management, rules, and iterative review to maximize productivity.
also on Model Context Protocol, Slack, #ai-coding, #software-engineering, #developer-tools