Cloudflare Browser Run Agent
Acts for a person, operated by cloudflare. An AI drives a browser in someone’s cloud.
- Operator
- cloudflare
- Kind
- Cloud agents
- Does
- Acts for a person
- Traffic
- Many customers’
- robots.txt
- No token
Identity
Signs its requests (Web Bot Auth)
- SignedSigns every request (Web Bot Auth): cryptographic proof.
- IP listPublishes the IP addresses it comes from.
- Reverse DNSIts IP addresses resolve to the operator’s domain.
- User agentNames itself in its user agent, which anyone can copy.
- HiddenLooks like a person’s browser: detected by behaviour.
How to recognise it
Signed requests
Web Bot Auth, with
Signature-Agentfromcloudflare-browser-rendering-085.workers.dev. Keys:cloudflare-browser-rendering-085.workers.dev/.well-known/http-message-signatures-directoryUser agent
Contains
CloudflareBrowserRenderingCrawler. Anyone can copy it, so it names the client without proving it.
Details
- ID
cloudflare.browser-run- Category
- Agent
- Operator
- cloudflare
- Agent Card
- Not published: this agent doesn’t identify itself with an Agent Card.
- First seen
- 2026-09-28
Registrations
- Catalog Self
- Verified
- 2026-09-28
- Checked
- 2026-09-28
Reputation
Computed 2026-11-13
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
No card history: this agent doesn’t publish an Agent Card.
With Double Agent
Sessions from Cloudflare Browser Run are labelled agent with agent_id: cloudflare.browser-run, and tagged in your analytics. Nothing is blocked unless you choose to.
