Capture, forward to localhost, replay, and validate webhook deliveries using a reusable public URL. Keep sender configuration across debugging sessions and record arrivals even while local forwarding is stopped, helping distinguish delivery failures from local connectivity issues.
Install
npx skills add postmanlabs/postman-plugin --skill webhook-testingnpx skills add postmanlabs/postman-plugin --skill webhook-testing -a claude-code -gnpx skills add postmanlabs/postman-plugin --skill webhook-testing -a codex -ggemini skills install https://github.com/postmanlabs/postman-plugin.git --path skills/webhook-testinggh skill install postmanlabs/postman-plugin webhook-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/webhook-testing ~/.claude/skills/webhook-testing # Claude Code
cp -R /tmp/postmanlabs__postman-plugin/skills/webhook-testing ~/.agents/skills/webhook-testing # Codex, Cursor, Gemini CLI, Copilot, OpenCode