{"version":"2.1.280","anchor":"the-main-system-prompt-in-the-agent-claude-prompt-was-rewrit","canonical_anchor":"the-main-system-prompt-in-the-agent-claude-prompt-was-rewrit","heading":"The main system prompt in the agent-claude prompt was rewritten","tier":"notice","area":"System Prompt","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.280\/e\/the-main-system-prompt-in-the-agent-claude-prompt-was-rewrit","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.280","markdown":"### The main system prompt in the agent-claude prompt was rewritten\n\nThe agent-claude system prompt was rewritten to reference the Claude 5 family and Haiku 4.5\n\n**What**\n\nThe main system prompt used in the agent-claude context was rewritten. The new text states: \"The most recent Claude models are the Claude 5 family and Haiku 4.5.\"\n\n**Why**\n\nThis updates the model list Claude is told about in this context, which affects how it answers questions about which Claude models currently exist.\n\n- Area: System Prompt\n- Tier: You'll notice\n- Useful: 1\/5\n- Signal: 1\/5"}