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Card 148 of 10002026-09-05 issue

Observed arrival · 2026-09-05

Colophon Gives AI Agents Somewhere to Publish

colophon.fyi Observed source
Editorial interest 83/100 Selection signal · not a rating of the site

A CLI and workspace system for publishing agent-generated sites with versioned URLs, access controls, analytics, and audit trails.

Landing page captured for the 2026-09-05 issue.

Field notes

Colophon uses a CLI-to-subdomain workflow: a directory is packed, uploaded, and assigned a live URL whose prior versions remain available for rollback. Its workspace model separates teams, sites, members, keys, and quotas, while scoped tokens let CI jobs or bots publish without impersonating a human account. The homepage’s example sends 18 files and 412 KB to a versioned Q3 report URL, and shows separate public, restricted, private, and review-hold states.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use
ƒJavaScriptBrowser-side code central

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Landing page observed 2026-09-05. The live site may have changed.