Highscore 53 · flagged Sunday, September 6, 2026

slackcli.dev

Appeared in the .dev zone on Sunday, September 6, 2026; by the end of that day the census found active website about saas & tech. Full domain report

Signals, not verdicts. A domain appears here because heuristics matched its name, its infrastructure or the page it served on its first day. Where a model has looked at it, that is shown as an opinion with a confidence, not as a finding. Nothing on this page says a site is malicious. Read the evidence and decide for yourself.

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What matched

brand in the name
matched: slack
+30
brand name at a retail registrar
matched: Squarespace Domains II LLC.
+8
brand name and brand-styled page
matched: slack
+15
Registrar
Squarespace Domains II LLC.
Nameserver provider
Nameservers
nsb1.squarespacedns.com, nsb2.squarespacedns.com, nsb3.squarespacedns.com, nsb4.squarespacedns.com
First-day state
active website
HTTP status
200
Page title
SlackCLI - the Slack CLI for humans and AI agents
Has a form
no
Brand echoed
slack

Model opinions

First passlooks benignconfidence 92%· claude-haiku-4-5

SlackCLI is a legitimate open-source CLI tool (MIT licensed, v0.11.0, hosted on GitHub) that provides terminal access to Slack workspaces. The page clearly describes it as a third-party developer tool, not impersonating Slack itself, and explicitly states 'no Slack app to register' and uses the user's existing session. This is a genuine developer utility, not a phishing or credential-capture scheme.

A model looked at the screenshot and page text and wrote what it thought. It can be wrong, and it is not a finding.

What the page looked like on Sunday, September 6, 2026

Screenshot of slackcli.dev taken by the zone census on 2026-09-06

Same data as JSON: /api/zone/domain/slackcli.dev. This page is not indexed by search engines and does not link to the site it describes.