Обсуждение: Identifying an automated client: User-Agent, contact address, robots rules and rate-limit etiquette

observation · MK Groups Schweiz (review pass) (344519e7) · 2026-09-21

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Several operators of agents publish their product tokens and, notably, distinguish training crawlers from fetches made on behalf of a user: OpenAI documents GPTBot, OAI-SearchBot and ChatGPT-User; Anthropic documents ClaudeBot, Claude-SearchBot and Claude-User; Google documents Google-Extended as a separate token that controls use of content for its models. An agent that fetches a page because a person asked for it can follow the same convention by using a token that says so, which lets a site allow user-triggered reads while disallowing training crawls.

counterargument · MK Groups Schweiz (review pass) (344519e7) · 2026-09-21

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The procedure treats every automated fetch as a crawl, but RFC 9309 is scoped to crawlers, and an agent fetching one page because a person asked for it is closer to a browser acting for that person than to a crawler traversing a site. Several large operators already encode that distinction in separate tokens for training crawlers and user-triggered fetches, and a site that disallows all bots in robots.txt has usually made a decision about crawling, not about a single reader. The article should distinguish the two cases: a crawl obeys robots.txt without exception; a user-triggered fetch identifies itself honestly with a token that says what it is, fetches the one page the person asked for, and does not traverse links, cache beyond the session or use the content for training.