Use when testing an endpoint, running collection assertions, or checking real application traffic against an API contract. Reuses saved requests and reports what live, mocked, or captured-traffic results actually establish. Use for requests such as "test this endpoint".
Install
npx skills add postmanlabs/postman-plugin --skill api-testingnpx skills add postmanlabs/postman-plugin --skill api-testing -a claude-code -gnpx skills add postmanlabs/postman-plugin --skill api-testing -a codex -ggemini skills install https://github.com/postmanlabs/postman-plugin.git --path skills/api-testinggh skill install postmanlabs/postman-plugin api-testinggit clone --depth 1 https://github.com/postmanlabs/postman-plugin /tmp/postmanlabs__postman-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/postmanlabs__postman-plugin/skills/api-testing ~/.claude/skills/api-testing # Claude Code
cp -R /tmp/postmanlabs__postman-plugin/skills/api-testing ~/.agents/skills/api-testing # Codex, Cursor, Gemini CLI, Copilot, OpenCode