Git-native memory for coding agents. Repo memory before the diff.
Instructions file GitHub Copilot
Copilot instructions for mainline-org/mainline, covering mainline, read team intents for context (do this aggressively), write your own intent and if mainline hooks is installed for your agent.
Instructions file CodexOpenCode
AGENTS.md instructions for mainline-org/mainline: Stop AI coding agents from repeating old engineering mistakes.
Instructions file
Claude Code instructions for mainline-org/mainline, covering mainline, read team intents for context (do this aggressively), write your own intent and if mainline hooks is installed for your agent.