User-agent: facebookexternalhit
Disallow:

User-agent: Twitterbot
Disallow:

User-agent: Pinterestbot
Disallow:

User-agent: Discordbot
Disallow:

User-agent: TelegramBot
Disallow:

User-agent: LinkedInBot
Disallow:

User-agent: Slackbot-LinkExpanding
Disallow:

User-agent: *
Disallow: /