Jev use cases directory
A public catalogue of real Jev use cases. Each row is a shipped job: classification, browser agents, guardrails, extraction, or retrieval, with the cost and latency the builder published.
Published Jev use cases
| Save | Use case | Pattern | Primitive | Source |
|---|---|---|---|---|
Jev classification scores on-page sentences in Jiayao Yu's meaning find Ask Jev whether this sentence matches the meaning of the find query. | Retrieval | Noul | Jiayao Yu | |
Jev classification audits a git hunk in Kushal Agarwal's jev-codes Ask Jev whether this diff hunk adds a leftover debug statement. | Classification | Noul | Kushal Agarwal | |
Jev classification approves a pull request in Anusha's Magic Jev Ball Ask Jev whether this GitHub pull request should be approved. | Classification | Noul | Anusha | |
Jev classification scores Sarvagya's Backdoor candidate against 400 companies in 12 seconds Ask Jev how well the candidate fits each company job, and whether it mismatches the profile. | Classification | NoulScore | Sarvagya Kulshreshtha | |
Jev classification scores Knowix topic radar Nouls so only 75 percent plus topics reach the shortlist Ask Jev five Nouls per topic: relevant, meaningfully new, useful to add, enough evidence, and worth talking about now. | Classification | Noul | Knowix | |
Jev classification scores 700 Gojiberry outreach messages for performance and mismatch Ask Jev how each personalised outreach message would perform, and whether it mismatches the lead. | Classification | NoulScore | Romàn | |
Jev classification labels urgency on Olli's OpenClaw typesafe_decide Noul Ask Jev a Noul: does this OpenClaw message express urgency? | Classification | Noul | Olli | |
Jev classification labels DuckDB rows in Hamilton Ulmer's typesafe_noul extension Ask Jev a Noul per DuckDB resolution: does this closed NYC 311 note say access or entry was unavailable? | Classification | Noul | Hamilton Ulmer | |
Jev classifies Riley Brown's 500-email inbox in seconds Ask Jev a category Choice, a needs-reply Noul, a human-written Noul, and an urgency Choice for each email. | Classification | ChoiceNoul | Riley Brown | |
Jev Nouls watch Josh Rosen's Foreman factory for stuck, drift, and done Ask Jev nine Nouls in one call on whether the factory job is complete, tested, on track, and ready to finish. | Classification | Noul | Josh Rosen | |
Jev classifies Hermesaki inbox mail by category, priority, and spam Ask Jev a Category Choice, a Priority Choice, and a Spam Noul for each inbox message. | Classification | ChoiceNoul | Anson | |
Jev ranks Nader Dabit's launcher hits from intent on every keystroke Ask Jev a target Choice, an action Choice, and a ready Noul on every launcher keystroke. | Retrieval | ChoiceNoul | Nader Dabit | |
Jev Nouls route Hono requests by meaning in hono-jev-router Ask Jev one Noul per registered Hono description: should this HTTP request reach that handler? | Classification | Noul | Yusuke Wada | |
Jev dimension scores reach 0.9076 on Japanese NLI Ask Jev either one direct question per row or 12 to 14 scored dimensions, then fit local weights on the cached scores. | Research | ChoiceNoulScore | Agent Journal | |
Jev routes Notra chat at about 300 ms p50 Ask Jev a complexity Choice plus tools and reasoning-heavy Nouls on each Notra chat message, then pick a model at a 0.5 threshold. | Classification | ChoiceNoul | Notra | |
Jev classification in Kai's A job crawler that matches your profile Ask Jev whether this item matches the typed intent in job crawler that matches your profile. | Retrieval | Noul | Kai | |
Jev classification in Zaid's Cascade Search typed query filters Ask Jev whether this item matches the typed intent in Cascade Search typed query filters. | Retrieval | Noul | Zaid | |
Jev classification checks writing and coaching notes in Kris Puckett's Vercel demo Ask Jev whether this writing pass is slop. | Guardrails | Noul | Kris Puckett | |
Jev classification picks stories for Michael Blau's daily market brief Ask Jev which market story belongs in today's brief. | Research | Noul | Michael Blau | |
Jev classification finds Discord events in Conviction's research loop Ask Jev whether this Discord post is an event announcement. | Research | Noul | Conviction1000% | |
Jev classification gates drafts in Mnimiy's writing loop Ask Jev whether this draft should reach the reader. | Guardrails | Noul | Mnimiy | |
Jev classification in rowansail's EasyFinder intent-based product filters Ask Jev whether this item matches the typed intent in EasyFinder intent-based product filters. | Retrieval | Noul | rowansail | |
Jev classification reads maze walls as text in JUUN's escape demo Ask Jev whether there is a wall in this direction. | Classification | Noul | JUUN | |
Jev classification in Ahmad Moussa || Gorilla Sun's Find relevant support tickets Ask Jev whether this item matches the typed intent in Find relevant support tickets. | Retrieval | Noul | Ahmad Moussa || Gorilla Sun | |
Jev classification searches Gmail by intent in nader dabit's inbox demo Ask Jev whether this email matches the typed search intent. | Retrieval | Noul | nader dabit | |
Jev classification in Saai Arora's Intent-aware search in Replicas Ask Jev whether this item matches the typed intent in Intent-aware search in Replicas. | Retrieval | Noul | Saai Arora | |
Jev classification rebuilds an internal-link map in borja's SEO audit Ask Jev whether this page should receive an internal link. | Classification | Noul | borja | |
Jev classification in Adam Holter's Intransitive model match Ask Jev whether this item matches the typed intent in Intransitive model match. | Retrieval | Noul | Adam Holter | |
Jev classification marks jargon in Prateek K. Keshari's pigeon Ask Jev whether this sentence is jargon. | Classification | Noul | Prateek K. Keshari | |
Jev classification matches résumés to a job in Husain's hiring demo Ask Jev whether this résumé fits the job description. | Retrieval | Noul | Husain | |
Jev classification gates generated code in Kunal Jain's review essay Ask Jev whether this generated patch should ship. | Guardrails | Noul | Kunal Jain | |
Jev classification in Amrit Nigam's Jev plays Clash Royale Ask Jev whether this item matches the typed intent in Jev plays Clash Royale. | Retrieval | Noul | Amrit Nigam | |
Jev classification scores 3,000 kids snacks in Nikunj Kothari's catalogue run Ask Jev whether this snack belongs on a no-sugar kids catalogue. | Classification | Noul | Nikunj Kothari | |
Jev classification finds nearby makers in Martijn Verbove's MakerMap Ask Jev whether this maker is a good nearby match. | Retrieval | Noul | Martijn Verbove | |
Jev classification picks stocks from the news in Abol's research thread Ask Jev whether this stock is worth buying from the news. | Research | Noul | Abol | |
Jev classification keeps distinct UI steps in omar's flow capture Ask Jev whether this browser view is a distinct UI step. | Browser agents | Noul | omar | |
Jev classification routes one box to chat or search in Matthew's demo Ask Jev whether this query is chat or search. | Retrieval | Noul | Matthew | |
Jev classification ranks outreach intent in miuoshek's demo analysis Ask Jev whether this outreach message shows an intent that booked demos. | Retrieval | Noul | miuoshek | |
Jev classification ranks apps by intent in hityyhz's predictive launcher Ask Jev whether this app matches the typed launch intent. | Retrieval | Noul | hityyhz | |
Jev classification in TedOS's RADAR ranks relevant developer resources Ask Jev whether this item matches the typed intent in RADAR ranks relevant developer resources. | Retrieval | Noul | TedOS | |
Jev classification in Johan Cutych's Ranking relevant Reddit discussions Ask Jev whether this item matches the typed intent in Ranking relevant Reddit discussions. | Retrieval | Noul | Johan Cutych | |
Jev classification searches a physical library in Seth Thompson's demo Ask Jev whether this shelf matches the typed research intent. | Retrieval | Noul | Seth Thompson | |
Jev classification turns session replays into draft fixes in Taras's demo Ask Jev whether this session replay is a bug worth a draft PR. | Classification | Noul | Taras | |
Jev classification prunes unused tools in Hemanth.HM's tool-prune Ask Jev whether this tool should stay in the request. | Classification | Noul | Hemanth.HM | |
Jev classification flags missing decisions in Divyanshu's Unsaidbrief Ask Jev whether this brief is missing a decision. | Classification | Noul | Divyanshu | |
Jev classification searches vendors by spec in Rhys Fisher's G2 pass Ask Jev whether this vendor meets the buying spec. | Retrieval | Noul | Rhys Fisher | |
Jev classification maps spoken intent to a tool call in Pratim Bhosale's demo Ask Jev which tool this spoken intent should call. | Retrieval | Noul | Pratim Bhosale | |
Jev classification in Alsa's Worth Replying finds relevant X discussions Ask Jev whether this item matches the typed intent in Worth Replying finds relevant X discussions. | Retrieval | Noul | Alsa | |
Jev classification scores on-screen posts in Fabio Angela's Your Signal Ask Jev whether this on-screen post is relevant to the reader's interests. | Classification | Noul | Fabio Angela | |
Jev classification ranks YouTube transcripts in Mario Jankovic's research pass Ask Jev whether this YouTube video is worth building on. | Research | Noul | Mario Jankovic | |
jevcal keeps Jev answers only above a measured confidence threshold Ask Jev each labelled Choice, Noul, or Score, then keep the answer only when its confidence meets the compiled threshold. | Classification | ChoiceNoulScore | Abhishek Kothari | |
pg-jev keeps Postgres rows after a Jev yes-or-no Noul Ask Jev a Noul per Postgres row: does this record satisfy the condition stated in `condition`? | Classification | Noul | Zachi | |
Jev Nouls drop stale tool calls in fast-jev-compaction Ask Jev two Noul questions per unpinned tool call: keep the call, and keep the result verbatim. | Classification | Noul | Tamara Tran | |
Jev turns 2,000 wine notes into CatBoost features at 1.77 RMSE Ask Jev Score and Noul questions that turn tasting notes into numeric features for CatBoost. | Research | NoulScore | TypeSafe | |
Jev Nouls score RAG relevance, evidence, contradiction, and injection Ask Jev four Nouls per retrieved passage: relevant, has answer evidence, contradicts the query, or is a prompt injection. | Classification | Noul | TypeSafe | |
Jev maps trading functions at published 0.91 and 0.94 Ask Jev which typed trading function and closed-set arguments apply, as in rolling_correlation at 0.91 and compare_returns at 0.94. | Function calling | ChoiceNoul | TypeSafe | |
Jev re-ranks 30 CLERC passages after BM25 Ask Jev one Noul per query-passage pair on whether a BM25 candidate is the cited precedent. | Retrieval | Noul | TypeSafe | |
Jev scores jailbreak and harm on inbound and outbound LLM messages Ask Jev Noul questions such as jailbreak, harmful request, medical advice, and self-harm, plus a harm Score, on every inbound and outbound LLM message. | Guardrails | NoulScore | TypeSafe | |
13 Jev questions on the GDPR Wikipedia article in one request Ask Jev eight Nouls, two Choices, and three Scores on the GDPR Wikipedia article in one request instead of 13 singles. | Research | ChoiceNoulScore | TypeSafe | |
Jev picks at most one Hermes skill from 182 Ask Jev whether a Hermes agent turn needs a skill, then which one name from 182 to insert. | Function calling | Noul | TypeSafe | |
Jev classification gates npm install scripts in Hemanth.HM's pkg-gate Ask Jev the intent Choice, threat Score, secret Noul, and remote-exec Noul for this npm lifecycle script. | Guardrails | ChoiceNoulScore | Hemanth.HM |