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  1. 1Your agent publishes with artifact-cafe publish .
  2. 2Humans review at the link — no account needed
  3. 3Good feedback becomes v2 — versions are immutable
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artifact.cafe · the ship log

The Daily Grind

nine editions · newest first

A glance is enough

A review page can wear a lot of marks — a highlight here, a pin there, an emoji stamp on the thing someone loved. Until today, finding out who left one and what they said meant clicking it open.

Now you just hover. Any marker on the artifact — a highlighted phrase, a pin, a stamp — shows a small card with who commented, the exact words they anchored to, and the first line or two of what they wrote. Clicking still opens the full thread; the card is just the peek that saves you the trip.

A review draft with the phrase “invite a teammate” highlighted; a hover card above it shows Sora Yamada’s avatar, the quoted phrase, and the opening of their comment.

who said it, and what — before you open a thing

It reads the same on every marker. Hover a pin and the element it’s anchored to lights up beneath the card, so you see the note and the thing it’s about at once.

A pin on a “Publishing” heading, the heading outlined beneath a hover card showing Maya (guest)’s note about the section.

a pin, the note, and what it points at

Also in this edition: the card is chrome, never the artifact — it renders on the artifact’s own sandboxed page but only ever shows plain text we control, and the author, avatar, and quote ride along on data the review page already had. Nothing new crosses the wire.

Say it with an emoji

Some feedback is a paragraph. Some is just 👍. Today the review picks up a shared vocabulary of eight — 👍 👎 ❤️ 🎉 💡 👀 🚀 ☕ — one small palette that works in two places.

Drop one straight onto the artifact. A new rail tool arms an emoji; click anywhere on the page and it lands right there — a ❤️ on a pricing header, 👀 on the number you’re side-eyeing — no composer, no sentence required.

A red-heart stamp dropped on the Starter heading of a draft pricing section, inside the amber point-anchor outline.

a ❤️ where a pin would go — reaction as a place on the page

The palette rides the rail, right below the pin. Pick a glyph to arm it, click to place it, press Esc to put it back.

The review rail with its eight-emoji stamp palette open alongside: thumbs up, thumbs down, heart, party, bulb, eyes, rocket, coffee.

one palette, two jobs — armed and ready on the rail

And on comments: every message now carries a reaction row. Open the smiley, pick an emoji, and your 👍 joins the chip with a running count; tap it again to take it back. It’s the quickest way to say “yes, this” without stacking another thread onto a long review.

None of this needed a new kind of comment. A stamp is just an ordinary point comment whose body is a single emoji, so it inherits versioning, resolve and reopen, deep links, and the agent export for free. Agents reading feedback see reactions folded into counts: your reply earned three 👍, not a guest list.

Also in this edition: the palette is curated, not free-form — eight glyphs, no arbitrary text in a field that renders as one — and guest reactions get their own hourly limit, same as comments.

Feedback finds you

Until today, knowing whether reviewers left comments meant keeping the review page open. Now the dashboard tells you: every artifact with activity you haven’t seen wears an amber “N new” pill, and inside the review page, threads with fresh replies carry a dot. Open the page and it’s read — each member keeps their own read state.

A dashboard artifact row wearing an amber "3 new" pill beside its open-comment count.

the dashboard knows what you haven’t seen

Away from the dashboard entirely? New comments arrive by email — batched, never one per comment. A short quiet period lets a burst of feedback coalesce into a single digest, grouped by artifact with the first few comments quoted. Reading the comments in the shell silences the email on its own, and every comment is emailed at most once, ever. A one-click unsubscribe (and a profile toggle) turns the emails off without touching the badges.

A digest email: three quoted comments on Q3 Launch Plan, a mention on another artifact, and View & reply links.

one email, everything since you last looked

Two more review-page tricks shipped alongside. @-mentions: workspace members can tag each other — type @ in any comment and pick from the member list; the tagged member gets the badge and a “You were mentioned” digest of their own. And every thread now has a copy-link button — the link opens the review page with that exact thread scrolled into view and its conversation open. “See my comment about the header” is one URL now.

Also in this edition: guests can’t spoof a mention (a hand-typed token renders but never notifies), agent replies count toward your unread just like human ones, and the docs grew a Notifications guide.

Everything is a workspace

Your account now comes with a personal workspace, provisioned the moment you sign up. Folders, visibility controls, the full dashboard — everything a team workspace gets, minus the members. Account publishes land there by default (--folder now works without --workspace), and claimed artifacts have a permanent home instead of floating loose.

Review threads got organized too: the comments sidebar now groups and orders threads so a long review stays readable instead of becoming one tall pile.

Also in this edition: CLI 0.0.8reply, resolve, and reopen from the command line, and the CLI now tells you when a newer release exists.

Workspaces for teams

The big pour. Workspaces went from schema to shipped:

  • Your own subdomain {handle}.artifact.cafe is a public gallery for visitors and a dashboard for members.
  • Invites and roles — invite links and email invites, with owner / admin / member roles.
  • Folders with visibility — public, unlisted, or workspace-only, enforced on the review shell and the render origin. A private artifact is private everywhere.
  • Publish straight into a folder publish --workspace acme --folder specs.
  • Members review as themselves — name and avatar on comments, no guest prompt. Guests are unchanged: still no account needed, ever.

Under the floorboards, artifact content moved to its own domain, artifactcafe.dev, so untrusted HTML never shares an origin with your session. Legacy links redirect.

Review links also unfurl properly now: every artifact gets a link-preview cardworth clicking (locked artifacts get a discreet “locked” card), and owners see view stats — totals, uniques, time-on-page, a 14-day sparkline — right in the shell.

Also in this edition: CLI 0.0.7 with artifact-cafe listen, owner display names, and database migrations that apply themselves on preview builds and production merges.

The agent joins the review

The loop closed today. artifact-cafe comments --wait blocks until a reviewer leaves feedback — so your agent can publish, wait, revise, and publish v2 without you copy-pasting anything between windows. While it waits, reviewers see a live “Agent is listening” pill in the shell, and a banner appears the moment the next version lands.

Version 1 of a dashboard under review: an anchored comment on a suspicious Week-4 number, the "Agent is listening" pill, and the CLI waiting for feedback.

one thread, one listening agent — the moment before v2

Artifacts became agent-readable too: append .md to any artifact URL (or send Accept: text/markdown) for a clean Markdown rendition with frontmatter, and a copy-as-Markdown button in the shell hands the whole document to ChatGPT or Claude in one click.

You can also stop being anonymous: sign-in moved to BetterAuth with a custom Cafe OS flow, and artifact-cafe login with an API key makes publishes owned from birth — no expiry, no claim URL to lose. A personal dashboard tracks versions, open comments, and views in one place.

Also in this edition: the docs site (search, navigation, llms.txt), a first-visit tour for reviewers, size limits raised to 100 MB per file / 250 MB per artifact, and identity-aware rate limits.

artifact.cafe goes live

Production day. The render worker went live on Cloudflare, every artifact got its own origin, and slugs became readable — derived from your artifact's title instead of random characters.

The artifact.cafe landing desktop: README window, publish terminal, and the Retention Dashboard review window acting out v1 to v2.

the desk on opening day — the loop plays itself once, then settles

We shipped the installable agent skill (npx skills add artifact-cafe/skill) and a curl installer, plus hardened abuse limits so launch day couldn't be ruined by one bad actor.

And password protection landed before the desk cooled: publish --password gates both the review shell and the raw artifact origin. Reviewers unlock once and stay unlocked for 30 days; agents pass ?ac_pw and keep working headlessly.

Also in this edition: the “Brewed at artifact.cafe” badge on rendered pages, HTTP Range streaming for media, a FAQ window — and every Cafe OS window is now resizable, because of course they should be.

The whole loop, in one day

Day one of real building, and the core loop worked by midnight:

  • artifact-cafe publish . — manifest, per-file hashing, direct-to-storage uploads, incremental deploys.
  • A review shell rendering artifacts in a sandboxed iframe, with point comments, text-selection comments, threads, and resolve / reopen.
  • Immutable versions — publish v2 and comments stay pinned to the version they were made on.
  • Claim and own — a one-time claim URL turns an anonymous publish into yours: rename, custom slug, moderation.
  • A comment export API, so agents could read feedback from day one.
The interactive review demo: a Retention Dashboard artifact with a resolved comment thread pinned to the corrected number.

feedback becomes the fix — try it yourself under examples/

Also: we picked the logo. Say hi to Pixel Steam. ☕

First pour

A pnpm + Turborepo scaffold, a spec, and a conviction: AI makes drafts, humans brew ideas. Everything above happened on the weekends since.

printed on warm paper · corrections welcome — publish something and tell us what broke