Source Intelligence

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.247 Home All releases olderv2.1.246 v2.1.248newer
Claude Code v2.1.247

Announce requests are refused unless the process is an admitted managed cloud worker

Not switched on
Useful1 Signal3
Remote Tools not in their notes

Only an admitted managed cloud worker can announce its tools; everything else is refused.

Announce handling defaults to not admitted and additionally needs tengu_violin_wood, which is compiled off.

Feature flag
tengu_violin_wood 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 v2.1.247: on

Read once, for one account on one subscription tier, against v2.1.247. It isn't a statement about your account. What a flag value here can and cannot tell you

tengu_violin_wood
What

The handler for a machine's tool announcement first checks an admission value that defaults to not admitted, with reason not_managed_cloud_worker, and answers with an error built from that reason. Only an admitted worker builds the announce machinery at all, and the surrounding feature also needs the account flag tengu_violin_wood, which is compiled in as off.

Details
  • Handler exceptions log remote_tools_announce_handler_failed and reply asking the caller to retry.
  • The worker is imported lazily and only on the admitted path.
Evidence

remote_tools_not_ready: internal_error; retry

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.247 →