hookdeck/slack-webhooks
> Receive and verify Slack Events API webhooks. Use when setting up Slack webhook handlers, debugging Slack signature verification, handling the url_verification challenge, or processing events like app_mention, message, reaction_added, team_join, or app_home_opened.
npx skills add https://github.com/hookdeck/webhook-skills --skill slack-webhooks
Take hookdeck/slack-webhooks from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.
The instructions reference npx.
Without those the skill loads but fails at the first command.