DuckAssistBot Bot

Builds a search index. Operated by duckduckgo.

Identity: Signs its requests (Web Bot Auth).

How to recognise it

Signed requests: Signature-Agent from assistbot.duckduckgo.com, keys at https://assistbot.duckduckgo.com/.well-known/http-message-signatures-directory
Published IP list: https://duckduckgo.com/duckassistbot.json
User agent contains DuckAssistBot

With Double Agent

Sessions from DuckAssistBot are labelled bot with agent_id: duckduckgo.duckassistbot, and tagged in your analytics. Nothing is blocked unless you choose to. Install: https://doubleagent.so/install.md

Source: https://duckduckgo.com/duckduckgo-help-pages/results/duckassistbot