How the Apache lakehouse replaces the monolithic warehouse with four modular pillars, why DIY assembly gets hard, and what an open platform approach adds.
Cursor builds context from .cursor/rules (.mdc), AGENTS.md, @-mentions, local Instant Grep search, and MCP servers in .cursor/mcp.json. How to tune each one.
OpenCode reads AGENTS.md (CLAUDE.md as fallback), config from opencode.json, MCP servers under the mcp key, and compacts long sessions with /compact or auto.
MCP is an open protocol that lets AI apps call tools and read data on servers over stdio or Streamable HTTP. How it works and how 17 AI tools connect to it.