Jev glossary
Core Concepts
State
The content a request asks Jev to evaluate: a string, a named object, or an array of messages, shared by every question in the request.
- Category
- Core Concepts
- Also known as
- —
- Reading time
- 1 min
- Related terms
- 5
- Directory entries
- 3
- Docs
- docs.typesafe.ai
- Added
- 2026-09-24
Definition
State is the material you would present to a panel of experts before asking for a judgment: a support message, a passage, a conversation, a record, or the current state of your application. It can be a plain string, a JSON object with named fields, or an array of text values.
One request pairs one state with one or more questions. Every question sees the same state and is evaluated independently. Objects are recommended for most requests, and trimming state to what the questions need is part of the craft because unrelated detail causes context rot.
Tagscoreapi
Related terms
Definitions that connect to this one.
QuestionA named judgment for Jev to make about the state, defined by an ID, a type, instructions, and criteria for the typed primitives.Core ConceptsContext rotThe accuracy loss that comes from padding state with detail unrelated to the question; filter state before sending it.Core ConceptsBacktick path referenceNaming a state field inside instructions with backticked dot-and-index paths, such as `ticket.messages[0].text`.PrimitivesText-only inputJev evaluates strings, JSON objects, and arrays of text; images, audio, and video are not supported and must be pre-processed.Core ConceptsDecompositionBreaking a broad judgment into one question per factor, then combining the answers with weights and rules you control in code.Core Concepts
From the Jev directory
Directory entries that go deeper on this term.
How to shape what Jev evaluates: a string, a named object, or an array of messages. Every question in a request sees the same state and is evaluated independently.
Jev Practices & PatternsDocs#official#docs#state
Official
The raw HTTP contract behind every SDK: POST a state plus typed noul, choice, and score questions to /v1/systemone, and get one answer per question, with error codes and retry guidance.
Jev Guides & ArticlesDocs#official#docs#api
Official
A maintained list of jev-1.13's known failure modes, literal reading, unreliable counting, dates as text, indirection, context rot, and contradictory criteria, each with a guardrail.
Jev Practices & PatternsDocs#official#docs#evaluation
Official
From the Jev AI model community
Posts from builders shipping with Jev right now.