hands-on
33
Atomic questions beat crammed principles (Takuma Yoshida)
External note.com write-up by Takuma Yoshida (2026-10-29): on Kaggle Game Arena Bargaining, splitting negotiation principles into many small hosted TypeSafe Jev questions (then optionally moving calculable parts to Python) beat stuffing seven principles into one prompt.
hands-on
32
Jev Gives You Probabilities, Not Decisions (Olivier Miossec)
External DEV write-up by Olivier Miossec (posted 2026-10-09, edited 2026-10-25): the mental model behind hosted TypeSafe Jev—state vs questions, Score / Noul / Choice, confidence thresholds, and writing atomic questions—with PowerShell examples that apply in any language.
hands-on
31
Jev in Cloud Operations with PowerShell (Olivier Miossec)
External DEV write-up by Olivier Miossec (2026-10-01): use Doug Finke's Jev PowerShell module to gate Bicep What-If changes, review NSG rules, and triage Azure Policy linter findings with hosted TypeSafe Choice / Noul / Score questions.
hands-on
30
Clairic and Jev on 100 Return Emails (UnlockJapan)
External write-up by Takuma Yoshida at UnlockJapan (2026-10-26): four layouts that combine Cloudflare Clairic, TypeSafe Jev 1.14 and Claude Haiku 5.5 on 100 return/refund emails, with accuracy, cost and confidence-split results.
hands-on
30
Jev Guardrails on AWS: Allow, Ask or Block a Tool Call (Rasik Rahman S)
External build write-up by Rasik Rahman S (2026-10-21): a Lambda guardrail asks Jev three typed questions about each proposed agent tool call (risk, intent match, exfiltration), applies a threshold policy in code, logs to DynamoDB and returns allow, ask or block.
hands-on
28
A Jev Gate in Front of Your LLM (Stas Slutsker)
External write-up by Stas Slutsker on DEV (2026-10-20): one Jev call with a choice and a noul question decides whether a Hebrew stock-review RAG assistant runs its expensive generation, tested on 134 questions in Hebrew and English.
hands-on
29
Decision Models for Evals: Tune the Threshold (Hamel Husain)
External write-up by Hamel Husain and Antaripa Saha (2026-10-20): use decision models such as Jev as eval judges, tune each model's threshold instead of trusting 0.50, compare cost and performance, and check calibration before reading scores as confidence.
hands-on
26
Benchmarking Jev's Box Tool on ScreenSpot (Arthur Katcher)
External benchmark write-up by Arthur Katcher (2026-10-17): Jev 1.14 box on ScreenSpot-v2 and ScreenSpot-Pro with official scoring, plus a zoomed second look and five harness rules for click agents.
hands-on
27
Can Jev Replace Hand-Written Routing Rules? (Mo Al Mamun)
External experiment by Mo Al Mamun on DEV (2026-10-17): rules, Jev, an LLM and a rules+Jev hybrid route 3,080 Banking77 messages to 77 backend actions, with accuracy, latency, cost and referral trade-offs.
hands-on
25
Jev Meets the Trolley Problem (Zach Landes)
External essay by Zach Landes (2026-10-14): put TypeSafe Jev and other decision models on the classic trolley dilemma, then read calibrated Choice answers — not chat.
hands-on
24
How to Use Jev AI: a detective-game tutorial (Analytics Vidhya)
External Analytics Vidhya tutorial by Riya Bansal (2026-10-15): build a Python interrogation game where TypeSafe Jev answers seven Choice/Score/Noul questions per turn and your code owns the story.
release
24
Jev 1.14: What's New and How to Upgrade
Jev 1.14.0 brings small gains everywhere and the biggest gain in multilingual support. Same price as 1.13. Experimental images, box type and long context.
hands-on
22
GraphRAG with TypeSafe Jev (Towards Data Science)
External TDS article by Partha Sarkar (2026-09-27): use Jev Noul, Choice and Score for high-frequency GraphRAG micro-decisions—entity resolution, schema mapping, subgraph pruning—while LLMs keep synthesis.
hands-on
23
JevEval: Jev-as-a-Judge in DeepEval
External DeepEval blog and docs: define Noul, Score and Choice questions yourself; TypeSafe Jev answers them with calibrated probabilities; DeepEval turns the answers into a fixed, inspectable metric score with no evaluation LLM.
hands-on
21
Nine Ways to Use Jev in AI Apps and Agent Workflows (To Data & Beyond)
External post from To Data & Beyond: nine Jev decision patterns, from model routing to confidence gating, with Python examples and small live comparisons against GPT-4.1 mini with structured outputs. The full post is for paid subscribers.
hands-on
20
Jev in Quote-to-Cash: Deal Desk, Disputes, Collections (RevExOS)
External post from RevExOS: four quote-to-cash decision points mapped to Jev Noul, Choice and Score questions, with raw requests and responses, and a clear list of what Jev should not do in finance workflows.
hands-on
19
How QuizPilot Uses Jev to Answer Quiz Questions (90-question benchmark)
External post by the QuizPilot developer: how single-choice, true/false and multi-select questions map onto Jev, and a small self-written benchmark against two LLMs, with confidence used to pick answers for re-checking.
hands-on
18
Two Jevs, One Dungeon Crawl (Altered Craft)
External post by Sam Keen: running Open Jev locally on a MacBook with MLX, then pointing a Godot text adventure built for the TypeSafe Jev API at both models and comparing answers and confidence.
hands-on
17
What Is Jev? Explained for PMs (Product Compass)
External Product Compass issue by Paweł Huryn: Jev's three question types, how he uses one Choice question to moderate AskOne, and quick wins for PMs. Later sections are paid.
hands-on
16
Classify text with Jev (Flavio Copes)
External Flavio Copes recipe for text classification with Jev; sibling of his Node.js call-Jev post — verify against current TypeSafe docs.
hands-on
15
Jev API tutorial: a typed ticket router (DataCamp)
External DataCamp tutorial by Tom Farnschläder — call the Jev API and build a typed ticket router with closed answers.
hands-on
13
Gate agent tool calls with Jev (OpenRouter)
External OpenRouter cookbook — per-call Noul checks → approve/block/review thresholds instead of blanket HITL.
hands-on
14
Verified cascade with Jev (OpenRouter)
External OpenRouter cookbook — check a cheaper draft with Jev before accept or escalate.
hands-on
12
AI that doesn't talk — plain-English Jev guide (ZipLyne)
External plain-English intro: typed answers, confidence branches, where Jev fits beside chat models.
hands-on
10
Build a fact checker with Jev + SerpApi
External walkthrough: SerpApi Google results → Jev Choice verdict (supported/contradicted/mixed/insufficient).
hands-on
11
How to use Jev — practical System One guide (Valyu)
External DEV guide: setup, Choice/Score/Noul, cascade & retrieve-then-judge patterns, failure modes.
hands-on
07
First System One API call (LearnJev)
External walkthrough: curl/Python/TS Noul, response shape, usage notes; pin model version.
hands-on
09
Jev course hub (jev-tutorial.org)
External course hub of Jev tutorials and guides; start from the tutorials index and the API quickstart outbound.
hands-on
08
Jev in Node.js (Flavio Copes)
External Node.js recipe for calling Jev; sibling of the Flavio Copes Jev deep-dive — verify against current TypeSafe docs.
hands-on
05
Extract and validate
Let Jev propose or select candidate field values; deterministic validators own schema, ranges, and rejects.
hands-on
02
Hands-on: support email routing
Route desensitized mail into shipping/refund/billing/other for human review—never refund or send mail from the model path.
hands-on
04
n8n automation
Call Jev from n8n via community node or HTTP; gate side effects on confidence — community node ≠ TypeSafe product.
hands-on
03
RAG passage filtering
Retrieve candidates with your search stack; ask Jev which snippets are relevant enough to keep—code enforces the cut.