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 v2.1.242 Home All releases olderv2.1.241 v2.1.243newer
Claude Code v2.1.242

Plugin-submitted prompts are labelled in the transcript

You'll notice
Useful3 Signal3
Plugins

When a plugin submits a prompt for you, the transcript names the plugin above the message.

What

When a plugin submits a prompt on your behalf, the transcript now prints a dimmed header above the message naming the plugin. Messages without a plugin origin render exactly as before.

Evidence

Prompt from the

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

See this entry in the whole of v2.1.242 →