Debug LLM applications using the Phoenix CLI. Fetch traces, analyze errors, structure trace review with open coding and axial coding, inspect datasets, review experiments, query annotation configs, and use the GraphQL API.
Install
npx skills add github/awesome-copilot --skill phoenix-clinpx skills add github/awesome-copilot --skill phoenix-cli -a claude-code -gnpx skills add github/awesome-copilot --skill phoenix-cli -a codex -ggemini skills install https://github.com/github/awesome-copilot.git --path skills/phoenix-cligh skill install github/awesome-copilot phoenix-cligit clone --depth 1 https://github.com/github/awesome-copilot /tmp/github__awesome-copilot
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/github__awesome-copilot/skills/phoenix-cli ~/.claude/skills/phoenix-cli # Claude Code
cp -R /tmp/github__awesome-copilot/skills/phoenix-cli ~/.agents/skills/phoenix-cli # Codex, Cursor, Gemini CLI, Copilot, OpenCode