Source Intelligence
Sweep 28 Aug 2026 · 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

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.

Prompt capture

v2.1.152 system prompt

1 of 24 tool descriptions changed. Compared against v2.1.150.

Claude Code, interactive mode 27 model strings 24 tools captured Markdown

AskUserQuestion +1 −1 of 22 lines

This edit reached all 27 arms

from line 9
 - Use multiSelect: true to allow multiple answers to be selected for a question
 - If you recommend a specific option, make that the first option in the list and add "(Recommended)" at the end of the label
 
-Plan mode note: In plan mode, use this tool to clarify requirements or choose between approaches BEFORE finalizing your plan. Do NOT use this tool to ask "Is my plan ready?" or "Should I proceed?" - use ExitPlanMode for plan approval. IMPORTANT: Do not reference "the plan" in your questions (e.g., "Do you have feedback about the plan?", "Does the plan look good?") because the user cannot see the plan in the UI until you call ExitPlanMode. If you need plan approval, use ExitPlanMode instead.
+Plan mode note: To switch into plan mode, use EnterPlanMode (not this tool). Once in plan mode, use this tool to clarify requirements or choose between approaches BEFORE finalizing your plan. Do NOT use this tool to ask "Is my plan ready?", "Should I proceed?", or otherwise reference "the plan" in questions  the user cannot see the plan until you call ExitPlanMode for approval.
 
 Preview feature:
 Use the optional `preview` field on options when presenting concrete artifacts that users need to visually compare:

The full text

The whole documents, one page each, exactly as they were sent.