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Checked fact 35553 Nov 2026Agents and apps

Anthropic's system prompts page says this prompt is periodically updated to improve Claude's responses, and that some models have multiple dated entries on their pages.

The exact words it rests on

This prompt is periodically updated to improve Claude's responses. ... Some models have multiple dated entries on their pages.

What the source said when we opened it, on 3 Nov 2026.

The source

System prompts - Claude Platform Docs
Anthropic

Checked

Checked by the notis newsroom on , against the source above.

In the story

What a system prompt does, and which of Anthropic's prompts are published 3 Nov 2026

Cite this fact

Anyone may quote this address. It does not change; if we correct the story, this page says so.