When using AI, you must try Jev: skip the chat and directly

Wrote a Jev getting-started guide covering API key setup, the Codex skill install, and prompting for structured decisions with confidence.
The original post, translated
When using AI, you must try Jev: skip the chat and directly output structured decisions with confidence scores. For specific tasks, it's 193 times faster and 445 times cheaper; the open-source plugin can quickly compress context, so long tasks no longer suffer from increasingly "forgetting" as they run. Jev is very easy to get started with: 1. Go to https:// TypeSafe.ai to apply for access 2. Have Codex install the TypeSafe Skill 3. Create an API Key in the backend 4. When asking a question, add the phrase "Use the
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用AI一定要试试Jev :跳过聊天,直接输出带置信度的结构化决策。特定任务快193倍、便宜445倍;开源插件能快速压缩上下文,长任务告别越跑越“失忆”。 Jev上手很简单: 1、去 https:// TypeSafe.ai 申请资格 2、让 Codex 安装 TypeSafe Skill 3、在后台创建 API Key 4、提问时加一句“Use the
The post above is a machine translation from zh; the untranslated text is in the fold-out.
Engagement when collected
Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.
Where this case fits
Filed under coding & developer tools. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the coding & developer tools page.
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Last updated: 2026-09-22 · sources & corrections · every card links to its author's original post