3 files for GitHub Copilot, Codex, OpenCode and Claude Code: outlook-mcp-server copilot-instructions.md, outlook-mcp-server AGENTS.md, outlook-mcp-server CLAUDE.md — 750 tokens loaded in every session.
.github/copilot-instructions.md A 519 tok AGENTS.md A 204 tok CLAUDE.md A 27 tok These files are acangialosi/outlook-mcp-server's own configuration — they tell GitHub Copilot, Codex, OpenCode and Claude Code 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.