Bots by company
Slack bots and crawlers
Slack runs a workplace messaging app, owned by Salesforce.
Slack bots at a glance
- Slack runs 2 bots listed in this directory.
- They belong to: Social and Messaging Previews.
- Each Slack bot has its own robots.txt token, so each purpose can be allowed or blocked separately.
- Website: slack.com
Every Slack bot
| Bot | Group | Purpose | robots.txt | For GEO |
|---|---|---|---|---|
| Slack-ImgProxy | Social and Messaging Previews | Link previewOfficial docs | Yes | Allow |
| Slackbot | Social and Messaging Previews | Link previewOfficial docs | Yes | Allow |
Block or allow all Slack bots
The rules below name every Slack token in this directory. To block training but keep AI search, delete the search and assistant tokens from the block rule.
robots.txt: block
# Block all Slack bots
User-agent: Slack-ImgProxy
User-agent: Slackbot
Disallow: /robots.txt: allow
# Allow all Slack bots
User-agent: Slack-ImgProxy
User-agent: Slackbot
Allow: /robots.txt: partial
# Keep all Slack bots out of private areas only
User-agent: Slack-ImgProxy
User-agent: Slackbot
Disallow: /wp-admin/
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Allow: /Nginx
# Nginx: return 403 to all Slack bots
if ($http_user_agent ~* "(Slack\-ImgProxy|Slackbot)") {
return 403;
}Apache
# Apache .htaccess: return 403 to all Slack bots
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (Slack\-ImgProxy|Slackbot) [NC]
RewriteRule .* - [F,L]Cloudflare WAF
# Cloudflare > Security > WAF > Custom rule, action: Block
(http.user_agent contains "Slack-ImgProxy") or (http.user_agent contains "Slackbot")See which of these bots actually reach your website
The AI Log File Analyzer by Justin Hà counts visits from GPTBot, ClaudeBot, PerplexityBot and other AI crawlers in your server log, for free. The GEO Technical Package sets up robots.txt, llms.txt and crawler access for AI search.
