2 files for GitHub Copilot, Codex and OpenCode: mail-mcp copilot-instructions.md, enterprise-mail-copilot — 2,275 tokens loaded in every session.
.github/copilot-instructions.md A 71 tok AGENTS.md A 2,204 tok These files are jiabin-24/mail-mcp's own configuration — they tell GitHub Copilot, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.