Blueprint for customizing GitHub Copilot CLI — custom agents, instructions, skills, and MCP configurations. Terminal-only. No VS Code.
Latest release v0.3.0 — Release v0.3.0 · 27 Apr 2026
3 files for GitHub Copilot, Codex and OpenCode: github-copilot-cli copilot-instructions.md, github-copilot-cli markdown.instructions.md, github-copilot-cli AGENTS.md — 1,570 tokens loaded in every session.
.github/copilot-instructions.md A 592 tok .github/instructions/markdown.instructions.md A 264 tok AGENTS.md A 714 tok These files are trsdn/github-copilot-cli'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.