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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.287 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.287 ·

Artifact tools can refuse network use when an organization policy applies

When an organization network policy covers a session, artifact tools now refuse to post or fetch and explain that network access is off

You'll notice Improvements
JSON All of v2.1.287
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.287,
ImprovementsSection of the release
What

Artifact tools are the tools that store and fetch artifacts through Anthropic's service. Claude Code now has a path for when an organization's network policy applies to a session. When it does:

  • Relay: the route to the artifact service is forced into its strict mode and nothing is sent through it.
  • Artifact tools: they refuse, saying network access for the session is off or could not be confirmed, so nothing was posted or fetched.
  • Storage refusals: a refusal from the server saying organization policy blocks artifact storage for the session is recognised only in this case.

This path is tied to a server-side switch. The flag server has returned off for it, both for this site's account and for an anonymous check.

Why

This gives organizations a way to stop artifact tools from using the network, with a clear message instead of a vague failure.

Read from
Feature flag
tengu_cobalt_plinth_madder Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.287: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

tengu_cobalt_plinth_sorrel On for this account, and not off by default

The flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.

This account: on · anonymous baseline: on · compiled default in v2.1.287: on

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.287. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhat decides whether the organization policy applies to a session is not known.

See this entry in the whole of v2.1.287 →

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