Slack-ImgProxy

Listed only

Slack's image-proxying fetcher, which retrieves and caches images posted in channels while stripping referrer data. Slack documents the User-Agent string but publishes no IP ranges or other verification method.

Operated by Slack · Official documentation

User agents

Patterns this directory matches, with real observed strings.

regexSlack-ImgProxy
observedSlack-ImgProxy (+https://api.slack.com/robots)
observedSlack-ImgProxy 1.106 (+https://api.slack.com/robots)

How to verify

No verification recipe published by the operator.

Good Bot Practices scorecard

Identifies honestly
Stable UA token documented (1 pattern)
Verifiable
Operator publishes no verification path
Respects robots.txt
Does not honor robots.txt
Behaves
Crawl-rate behavior is operator-declared; not machine-verifiable from this dataset
Reachable operator
Operator and documentation published

Measured against the Good Bot Practices.