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Artifact Publisher MCP server

Which MCP servers are Artifact Publisher's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-28

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Whose server it is
  • Registry namecom.artifactpublisher/mcpverified in the MCP registry

The registry name sits under artifactpublisher.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-28
  • Stateanswerschecked 2026-10-28
  • Tools12
  • Server calls itselfartifact-publisher
  • Server version0.1.0
  • Protocol version2025-06-18

On 2026-10-28 the server answered initialize and tools/list without a sign-in. First answer in 602 ms.

Should an agent connect itNot proven either way yet
  • Whether its tools do the product's job has not been judged yet.
  • Checked on 6 of the 7 days it takes to judge reliability.

Once connected

  • For "share a data report with someone who has no account", the likely first call is publish_artifact.
  • publish_artifact, update_artifact, set_artifact_access, set_artifact_state change data without a sign-in: anyone with the address can call them.
  • Parameters are untyped or undescribed in 11 of 12 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 6, the first on 2026-10-28
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 6 so far
  • Answeredmeasuring6 of the 7 daily checks it takes to print a share
  • Median first answer863 ms
  • Space in an agent's context≈ 2,155 tokensthe definitions of all its tools (12), which an agent carries on every turn
  • Tool definitionsB · 85 of 100
  • Typed results0 of 12 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 11 of 12

What an agent can do with it

  • not sure · send a deck as a live page instead of a screenshot
  • can do · share a data report with someone who has no account
  • not sure · let a reviewer comment on a page without signing in

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

  • Tools that change data, on a server that answers without a sign-in: publish_artifact, update_artifact, set_artifact_access, set_artifact_state

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers12 tools · read 2026-10-28
  • publish_artifact

    Publish self-contained HTML as version 1; return a share link. Optional Idempotency-Key HTTP header. Limit 10 MiB UTF-8; larger on some paid plans. No network in sandbox; inline assets. Never publish secrets. For styling, add <meta…

  • update_artifact

    Append a new immutable version. `expected_version` must match current; share link moves; earlier versions stay at pinned URLs. Optional `title` renames; with no `html` only the title changes. For styling, add <meta name="ap-theme"…

  • set_artifact_access

    Change an artifact's access mode without a new version. For accountless coworkers use public, not allowlist. artifact_id: id, slug or viewer URL.

  • get_feedback

    Read reviewer comments, oldest first. Filters: unresolved_only, since; version (default current) for anchor_status. Page with limit and cursor. Returns comments, unresolved_count, next_cursor. artifact_id: id, slug or viewer URL.

  • reply_to_feedback

    Reply once to a comment (a second reply fails with conflict); resolve: true also marks it resolved. Anyone who can open the artifact can read the reply. Refused on revoked or expired artifacts. Returns the comment.

  • list_artifacts

    List artifacts in this key's workspace, newest first, with unresolved comment counts. Pass `next_cursor` back as `cursor` to page.

  • revoke_artifact

    Stop serving this artifact (410 Gone). Cannot undo; viewed copies exist. artifact_id: id, slug or viewer URL.

  • configure_workspace

    Read or update workspace defaults (comments_enabled, default_expiry_seconds, default_artifact_title); pass empty settings to read. Platform guardrails are refused with an error: max_artifact_bytes, storage_bytes_limit…

  • get_artifact_state

    Read an artifact's state. Shared JSON key/value state, synced to viewers across versions (page JS: ArtifactRelayState). Last write wins per key. Limits: 200 keys, 16 KiB per value, 64 KiB total. artifact_id: id, slug or viewer URL.

  • set_artifact_state

    Set keys atomically; other keys stay. Null is stored, not deleted. Shared JSON key/value state, synced to viewers across versions (page JS: ArtifactRelayState). Last write wins per key. Limits: 200 keys, 16 KiB per value, 64 KiB total…

  • reset_artifact_state

    Clear all state, including board values; HTML is unchanged. Shared JSON key/value state, synced to viewers across versions (page JS: ArtifactRelayState). Last write wins per key. Limits: 200 keys, 16 KiB per value, 64 KiB total…

  • get_authoring_guide

    Read before writing HTML: themes, ap-* layout classes, an example page, the snippet, size and sandbox rules. Optional theme (firn, firn@1) is validated and returned as selected.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "artifactpublisher": {
      "type": "http",
      "url": "https://app.artifactpublisher.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http artifactpublisher https://app.artifactpublisher.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://app.artifactpublisher.com/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.