4 files for Claude Code, GitHub Copilot, Codex and OpenCode: jira-mcp, jira-mcp copilot-instructions.md, jira-mcp AGENTS.md, jira-mcp CLAUDE.md — 2,240 tokens loaded in every session.
.github/copilot-instructions.md A 1,180 tok AGENTS.md A 1,055 tok CLAUDE.md A 5 tok .claude/settings.json A — These files are PhoebusForWork/jira-mcp's own configuration — they tell Claude Code, 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.