---
schema_version: "newruntime-reader-dossiers-v1"
type: "reader_dossier"
slug: "slackbot"
kind: "link_preview"
operator: "Slack (Salesforce)"
researched_at: "2026-10-23"
confidence: "high"
json_url: "https://newruntime.com/readers/slackbot.json"
canonical_url: "https://newruntime.com/readers/slackbot/"
---

# Slackbot

> Slack's link-expanding fetcher that reads oEmbed/Open Graph/Twitter Card tags (partial Range fetch) when a user posts a link in Slack; caches about 30 minutes.

## Dossier

- Kind: Link previewers
- Operator: Slack (Salesforce) (https://slack.com/)
- Documentation: https://api.slack.com/robots
- robots.txt tokens: Slackbot-LinkExpanding
- Feeds: link preview
- Respects robots.txt: No, per its documentation. Docs: Slack does not currently honor robots.txt; it acts on behalf of a human and does not follow links.
- Verification: No published method
- Labels matched in our logs: slackbot

## Why it matters to New Runtime (our interpretation)

A New Runtime link was pasted into a Slack workspace; likely a team discussing our coverage.

## Observed behaviour

- Baseline 2026-10-23 (93-day window): 37 requests on 2 days; first seen 2026-09-11, last seen 2026-09-14; Dormant.
- Live numbers: https://newruntime.com/bot-traffic-history.json and https://newruntime.com/crawler-journeys.json

## Sources

- https://api.slack.com/robots

Identity: A family name is what a client claims in its user agent. It is verified only when its request came from the operator's published IP ranges or passed forward-confirmed reverse DNS, as reported per family in /crawler-journeys.json. Anyone can claim any name.

All dossiers: https://newruntime.com/readers.md