Overview
QuillBot is an AI crawler used for assistant-driven browsing, page retrieval, and automated web access on behalf of an AI product.
Its primary user-agent pattern is QuillBot; related patterns include quillbot.com.
QuillBot is not independently verified with Low confidence. The identity type is Observed, and the evidence basis is observed traffic patterns and user-agent evidence.
Robots.txt behavior is not currently confirmed.
QuillBot should be handled according to the site owner’s AI crawler policy, with allow, block, or rate-limit rules applied deliberately.
Identity
- User-Agent
QuillBot- Aliases
- quillbot.com
- Robots.txt Token
QuillBot- Identity Type
- Observed
- Evidence Method
- Verify QuillBot by matching `QuillBot` to observed traffic patterns and user-agent evidence, then checking reverse DNS, IP ownership, request behavior, and crawl consistency.
Classification
- Type
- AI
- Kind
- Crawler
- Family
- QuillBot
- Purpose
- ai-assistant
Behavior and handling
- Common Use
- QuillBot is used for assistant-driven browsing, page retrieval, and automated web access on behalf of an AI product.
- Detection Notes
- QuillBot traffic is primarily detected by the `QuillBot` user-agent pattern; related patterns include `quillbot.com`. Compare source IPs, reverse DNS, request paths, and crawl cadence before trusting the traffic.
- Respects robots.txt
- Unknown
- Spoofing Risk
- QuillBot has high spoofing risk because the pattern is low-confidence or observation-based; do not trust the user-agent by itself.
- Risk
- Neutral
- Recommended Handling
- Depends
Rules and controls
- Robots.txt Snippet
# robots.txt behavior is unconfirmed. Do not rely on this rule without verification.