Decision Schema Builder
Draft typed decision questions and export reusable JSON or JavaScript shapes.
Open Decision Schema BuilderDecision model developer toolkit
Practical tools for Jev and decision workflows.
Practical tools, verified integrations, and evidence-backed guides for Jev and the emerging decision-model category.
New to Jev? Start with the Jev Quickstart
Tools
Start with a working tool
Use the local Decision Schema Builder to plan a schema, or analyze an existing prompt with Prompt → Jev. More tools will follow when ready.
Prompt → Jev
Analyze an existing LLM prompt and draft focused Jev decisions for review.
Open Prompt → JevFuture ideas: a cost calculator and a verified MCP config generator.
Integrations
Configuration backed by current sources
Jev + MCP
Planned guide
Jev + Codex
Planned guide
Jev + Claude Code
Planned guide
Why this site
Evidence before claims
Official product facts, vendor benchmarks, community reports, independent tests, and illustrative examples are different kinds of evidence. We label them separately and attach verification dates to facts that can change.
OfficialVendor reportedCommunity reportIndependent testIllustrative
Future page structure
A small set of focused entry points
Tools
Focused utilities that solve a concrete developer task.
Integrations
Current setup instructions with sources and test dates.
Guides
Short, practical explanations for one search intent at a time.
Examples
Reproducible decision workflows with clear limitations.
Benchmarks
Published only after real runs, methodology, and raw data exist.