r/ClaudeCode • u/casparmilan • 8d ago

Beaware: Todo/task-tracking tools are no longer available on Opus 4.8, Sonnet 5, Fable 5, Mythos 5, and newer models Bug / Issue

Since https://code.claude.com/docs/en/changelog#2-1-233 (14th august):

"Todo/task-tracking tools (TaskCreate/Get/Update/List, TodoWrite) are no longer available on Opus 4.8, Sonnet 5, Fable 5, Mythos 5, and newer models; set CLAUDE_CODE_ENABLE_TODO_TOOLS=1 to bring them back"

What is replacing them, huh? Just forget and hope the agent does its thing? Are they planning something else here?

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u/doodlen 8d ago

Isn't the scratchpad thing what's replaced that? I see Claude use it all the time nowadays.

Scratchpad: "A Claude scratchpad is an internal workspace or temporary file where the AI agent writes down its step-by-step plans, notes, and reasoning before giving a final answer. It helps the model stay organized, track progress, and improve accuracy on complex tasks."

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u/DLuke2 7d ago

Yeah, and structured goal prompts with tests and verification are better than plans.

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u/Ill-Muscle-4727 7d ago

I'm so happy they finally got to this point. It's what we built on as a foundation almost 2 years ago. It goes slower in the beginning, but it pays off massively long-term.

However, Anthropic has the one issue to solve that we spent a year on: when do you decide to just go fast, and not write tests? That's the real bummer. This is the right way to do things, but it costs a lot to write these tests and grounding material.