{"id":8544,"slug":"masseater/slack-webhook-mcp","name":"Slack Webhook","description":"Post messages to Slack channels using incoming webhooks.","category":"communication","github":"https://github.com/masseater/slack-webhook-mcp","homepage":"","server_url":"","transport":null,"install":null,"tools":[{"name":"send_slack_message","description":"Send a message to your configured Slack channel. Parameters: message (required), webhook_url (optional), format (optional - 'text' or 'markdown', default: 'markdown')"}],"env_vars":["SLACK_WEBHOOK_URL"],"auth_type":"none","official":false,"stars":1,"status":"active","source":"mcpservers.org","created_at":"2026-05-25T16:07:56.794935+00:00","updated_at":"2026-05-28T16:14:32.874598+00:00","tags":[],"path":"slack-webhook-2"}