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 v2.1.248 Home All releases olderv2.1.247 v2.1.250newer
Claude Code v2.1.248

Agent status read out of the agent's own prose

You'll notice
Useful3 Signal4
Agents

Agent status is read from their own text, recognising phrases like "needs input:" and "blocked:".

What

Background and managed agents are now classified by scanning their output for state lines. Recognised prefixes are needs input:, failed:, blocked: and I'm blocked:, each accepting a colon, em dash or en dash, and a separate detector matches "Giving up" and "The task is not actionable" to mark an agent as having stopped.

Details
  • Matching is case-insensitive and captures 3 to 200 characters of the reason up to the end of the line.
Evidence

/(?:^|\n)\sneeds input\s[:\u2014\u2013-]\s*(.{3,200}?)(?=\n|$)/gi

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

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.248 →