# meta-externalagent

What this client asked https://www.pathwren.workers.dev for, from that host's own request log.
Window: 2026-09-03 00:05:33Z to 2026-09-03 00:22:46Z UTC. Generated 2026-09-03.

## User-agent strings, exactly as they arrived

- `Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))` — 1 request(s), 1 address(es), 2026-09-03 00:05:33Z to 2026-09-03 00:05:33Z
- `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/145.0.0.0 Safari/537.36 (compatible; meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler))` — 1 request(s), 1 address(es), 2026-09-03 00:22:46Z to 2026-09-03 00:22:46Z

- Requests: 2
- Distinct addresses (salted hashes, never published): 2
- Distinct paths: 2
- Visits (30-minute gap rule): 1
- Status codes: 200×2
- Accept headers: */*
- Our classifier called it: crawler×2 (ours, from the user-agent)

## What it asked for, in order

1. `/c/rubygems-registry/` — 2026-09-03 00:05:33Z — 200
2. `/data/agents.json` — 2026-09-03 00:22:46Z — 200

## What it asked for that did not exist

Nothing.

## Verification

no published verification methodFrom the crawler record at /crawler/meta-externalagent.html, which cites https://developers.facebook.com/docs/sharing/webmasters/web-crawlers — one source for both pages.

## What it publishes about you

Not observed. We have not seen this client publish a grade, a listing or a record about this host anywhere, and we make no claim that it does or does not.

## Documentation it names

https://developers.facebook.com/docs/sharing/webmasters/crawler

JSON: https://www.pathwren.workers.dev/bot/meta-externalagent.json · all clients: https://www.pathwren.workers.dev/data/observed-clients.json