Bedrock AgentCore Browser Agent
Acts for a person, operated by amazon. An AI drives a browser in someone’s cloud.
- Operator
- amazon
- 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-Agentfromxhah6q48pbxb4.keydirectory.signer.us-east-1.on.aws. Keys:xhah6q48pbxb4.keydirectory.signer.us-east-1.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfromogtj5xdh5udp4.keydirectory.signer.us-east-2.on.aws. Keys:ogtj5xdh5udp4.keydirectory.signer.us-east-2.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfrombxtrz00tv0lm1.keydirectory.signer.us-west-2.on.aws. Keys:bxtrz00tv0lm1.keydirectory.signer.us-west-2.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfromc3drvlj8gw240.keydirectory.signer.eu-west-1.on.aws. Keys:c3drvlj8gw240.keydirectory.signer.eu-west-1.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfromo42g509c7dlj6.keydirectory.signer.eu-central-1.on.aws. Keys:o42g509c7dlj6.keydirectory.signer.eu-central-1.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfromkzejmtkesloc1.keydirectory.signer.ap-northeast-1.on.aws. Keys:kzejmtkesloc1.keydirectory.signer.ap-northeast-1.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfromwdfzm130yrb91.keydirectory.signer.ap-south-1.on.aws. Keys:wdfzm130yrb91.keydirectory.signer.ap-south-1.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfromslf696jfe4gp0.keydirectory.signer.ap-southeast-1.on.aws. Keys:slf696jfe4gp0.keydirectory.signer.ap-southeast-1.on.aws/.well-known/http-message-signatures-directorySigned requests
Web Bot Auth, with
Signature-Agentfrommeh0x7tptr6o1.keydirectory.signer.ap-southeast-2.on.aws. Keys:meh0x7tptr6o1.keydirectory.signer.ap-southeast-2.on.aws/.well-known/http-message-signatures-directory
Details
- ID
amazon.agentcore-browser- Category
- Agent
- Operator
- amazon
- 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 Bedrock AgentCore Browser are labelled agent with agent_id: amazon.agentcore-browser, and tagged in your analytics. Nothing is blocked unless you choose to.
Source: https://docs.aws.amazon.com/bedrock-agentcore/latest/devguide/browser-web-bot-auth.html