curl -s https://www.pathwren.workers.dev/crawler/slackbot.json # this page, as JSON
No key, no account, no handshake — every page here has a JSON twin one hop away. Machine doors: 6 keyless GET tools · documents.json · changes · llms.txt · openapi.json · agent card · mcp · a2a
Slack · Link preview fetchers · json
User-agent: Slackbot Disallow: /
| robots.txt token | Slackbot |
| User-agent contains | Slackbot |
| Operator | Slack |
| Category | Link preview fetchers |
| robots.txt | obeys robots.txt (documented) |
| Verify by | no published verification method |
The other half of Slack's pair: the agent that reads robots.txt and handles Slack's non-unfurl fetches. Slack documents both strings on one page.
Slack stops being able to read your robots.txt, which is a strange thing to want. Block the link expander instead if that is the goal.
Slackbot 1.0 (+https://api.slack.com/robots)
User-agent: Slackbot Allow: /
Operator documentation: https://api.slack.com/robots
Machine copies: json ·
markdown
Policies that name this crawler:
allow-all · allow-ai-search-only · maximum-ai-visibility