Fraud and risk triage with decision models
Flagging suspicious transactions, orders or accounts for review and deciding how risky each one is.
17 public projects
x402 pre-payment risk-check provider combining sanctions lists, phishing feeds and simulation with Jev checks for injected instructions.
ProjectproductionZero-dependency HTTP traffic and bot defense gate that can escalate requests to Jev for five typed risk questions.
ProjectbetaTypeScript, PythonCrypto exchange risk gateway where Jev triages deposits and withdrawals while hard rules and Java code make the final call.
ServiceprototypeJavaLangChain notebook of practical Jev examples: ticket triage, model routing, reply guardrails, tool selection and finance-inbox fraud checks.
ProjectprototypePythonEvent-stream layer labelling signups, logins and checkouts as human, AI agent, crawler or bot, with a bad-intent probability.
AppprototypeJavaScriptGallery of small Python demos where Jev answers typed questions on realistic state and explicit policy decides the action or fallback.
AppprototypePythonEVM token screener that returns ape, watch or avoid with probabilities and risk scores, via library, CLI exit codes or MCP.
MCP serverprototypeJavaScriptSAP S/4HANA proof of concept that sends anonymised purchase-order risk indicators to Jev and classifies orders to release, approve or block.
ProjectprototypeABAPScam text checker where code extracts link and sender facts, Jev answers eleven narrow questions, and a pure policy scores risk.
ProjectprototypeTypeScriptDecision Lab: sixty finance demos asking Jev, OpenAI Decisions and twelve other decision models the same questions, graded.
ProjectresearchJavaScript- WorkflowEvals★ 17
Official TypeSafe code to reproduce evals.typesafe.ai: four workflow evals comparing Jev with frontier LLMs on cost and accuracy.
LibraryproductionPython Ruby gem for probabilistic control flow: branch on Jev answers with predicates like likely? and almost_certainly?.
LibrarybetaRubyTypeScript library composing Jev judgments into deterministic threshold workflows that return explainable action sets.
LibrarybetaTypeScriptSmall demo for small-business checkout fraud disposition using Jev; the repository README is a one-line description.
DemoprototypeUiPath coded agent for AML alert triage where an LLM reads and writes but Jev makes every red-flag, risk and disposition decision.
AppprototypePythonCompanion code for a hands-on book on building decision engines with hosted Jev and open-source Kev, with two capstone projects.
ArticleproductionPythonWorkflow design article: one Jev Noul asks whether a domain name refers to a protected brand, with the TLD kept out of the input.
Articleproduction