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Claude in Chrome Agent

Acts for a person, operated by anthropic. An AI drives the visitor’s own browser.

Operator
anthropic
Kind
Agent browsers
Does
Acts for a person
Traffic
Many customers’
robots.txt
No token
View as MarkdownOperator docs

Identity

Doesn’t identify itself

  1. SignedSigns every request (Web Bot Auth): cryptographic proof.
  2. IP listPublishes the IP addresses it comes from.
  3. Reverse DNSIts IP addresses resolve to the operator’s domain.
  4. User agentNames itself in its user agent, which anyone can copy.
  5. HiddenLooks like a person’s browser: detected by behaviour.

How to recognise it

  • Page markers

    Leaves #claude-agent-stop-container, #claude-agent-glow-border, #claude-agent-animation-styles, [id^="claude-agent-"] in the page while it works.

Details

ID
anthropic.claude-in-chrome
Category
Agent
Operator
anthropic
Agent Card
Not published: this agent doesn’t identify itself with an Agent Card.
First seen
2026-09-28

Registrations

Reputation

Computed 2026-11-13

—No score yet
Confidence8%

A score shows from 30%

  • Identity40% of the score19 / 100

    0 verified sources

    A verified Agent Card adds 25 points, 40 if it is signed.

  • Reviews35% of the score–

    No reviews yet

    From the ERC-8004 reputation registry, weighted by who wrote them.

  • Observed25% of the score–

    Not enough sightings yet

    Counts once it is seen on 10 or more Double Agent sites.

Change history

History is unavailable right now.

With Double Agent

Sessions from Claude in Chrome are labelled agent with agent_id: anthropic.claude-in-chrome, and tagged in your analytics. Nothing is blocked unless you choose to.

Install Double Agent

Related

All 226 clients

Source: Claude in Chrome extension v1.0.94 (fcoeoabgfenejglbffodgkkbkcdhcgfn) · Operator docs: https://support.claude.com/en/articles/12012173