webhook-testing
Skill from postmanlabs/postman-plugin
Install
npx skills add postmanlabs/postman-plugin --skill webhook-testing
Runs the open skills CLI and installs the skill for your agent (Claude Code, Codex, Cursor …). Alternatively copy the skill folder into .claude/skills/ or upload it in Claude.ai under Settings → Skills.
As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-official
/plugin install postman@postman
This skill is part of the plugin “postman”. In Claude Code the plugin installs it together with the plugin’s other skills, commands and hooks.
What does the webhook-testing skill do?
Description from the SKILL.md in the source repository.
Questions about webhook-testing
What does the webhook-testing skill do?
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. Use for implementing or debugging incoming handlers and testing webhooks an API sends, whether or not Postman is mentioned. Example requests include "get payment events to localhost," "inspect a webhook delivery," and "replay an event after a fix"; these illustrate intent, not an exhaustive list or exact phrases to match.
How do I install webhook-testing?
In a terminal: npx skills add postmanlabs/postman-plugin --skill webhook-testing. The skills CLI asks which agents to install it for. In Claude.ai you can upload the skill folder as a ZIP under Settings → Skills.
Which agents can use webhook-testing?
Skills use the open SKILL.md format, which Claude Code, Claude.ai, the Claude API, OpenAI Codex, Cursor, Gemini CLI and other agents support.
Is webhook-testing safe to use?
Our automatic check found no risky patterns (piped shell scripts, hidden characters, secret access, prompt overrides). It is not a full audit – read the SKILL.md and any scripts before installing.
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