/effort no longer starts on ultracode when you open it

Unclear The visible difference in the picker is not confirmed.

Read from

Names in the bundle/effort

Since it was published

The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.

Added since 3 Oct 2026 A small documentation edit on Claude Code gateway compatibility guide touched a line naming /effort after this was published. | [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) and [structured outputs](https://platform.claude.com/docs/en/build-with-claude/structured-outputs) | The `output_config` body field carries effort, structured-output … llm-gateway-protocol see the edit

Confirmed since 1 Oct 2026 Anthropic's documentation has since written up /effort, on claude-prompting-best-practices. * **Manual chain-of-thought (CoT) prompting as a fallback.** When thinking is off, you can still encourage step-by-step reasoning by asking Claude to think through the problem before it answers, and to put the final answer in `<answer>` ta… build-with-claude/prompt-engineering/claude-prompting-best-practices see the edit

How sure we are

Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.

The writer flagged doubtThe visible difference in the picker is not confirmed.

Anthropic's documentation agreesAnthropic's documentation has since written up /effort, on claude-prompting-best-practices.

Anthropic's release notes agreeAdded effortSlider:decreaseEffort, increaseEffort and toggleUltracode keybinding actions, so the /effort slider's arrow and Tab keys can be…

See this entry in the whole of v2.1.284 →