The publication’s workbench

Tools for a more
readable web.

Check what reaches a client. Understand a crawler policy. See what changed after a fix.

01 / START WITH A PAGE

AI access check

A technical score, the evidence behind it, and your next steps.

Explore a saved report No check used

Enter a domain or HTTPS URL. We’ll add https:// for you.

10 free checks per network address per UTC day · No account needed

Checking requests the public page and a bounded set of files on its site. Privacy · How it works

04

Request inspector

See what your own request tells this service: client declarations, network context and signature evidence.

Uses the shared daily allowance
Inspect a request

Built from the field notes.

These tools grew out of this publication’s investigations into AI clients and the web. The methods and code are open; the observations come with their limits.

Read the investigationSource & scoring rulesFree JSON API

Dispatch

GK-001

A note when there is signal.

Engineering records, failed experiments, and the life around the work.