2 files for GitHub Copilot, Codex and OpenCode: mcp-router copilot-instructions.md, mcp-router AGENTS.md — 8,457 tokens loaded in every session.
.github/copilot-instructions.md A 1,167 tok AGENTS.md C 7,290 tok These files are justinpreston/mcp-router'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.