Named products and companies running TypeSafe AI's Jev in production, or shipping a Jev-powered feature to real users. Drawn twice a day from TypeSafe's #show-and-tell, GitHub search and X posts found through web search. Every number is the source's claim, not a measurement of mine.
A regulated, page-by-page tax pipeline where a typed classifier's speed and cost make production feasible.
This is a document classifier running inside a live tax preparation pipeline, sorting incoming pages across 261 distinct IRS form types before downstream processing. Jev's Choice primitive makes the per-page decision: which of the 261 categories a given page belongs to, returned as a typed label rather than generated text. The author claims 100% accuracy on this task, at $0.001 per page, which they report as 34 times cheaper and 6 times faster than the LLM the pipeline used previously. A regulated document workflow like this needs a decision that is fast enough and cheap enough to run on every page at scale, and precise enough to avoid manual review, which is exactly the shape a typed classifier is built for rather than a general-purpose generation model.
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In production
New 2026-09-20
Clean Code ReviewJudges each pull request file against Clean Code rules using Jev, answering every calibrated-probability question in about half a second per call.coding-agentevalgithub3
any-autoAuto-approval pipeline for Antigravity and Pi coding agents lets Jev act as the AI reviewer backend that assesses tool-call risk before approving.coding-agentguardrailsgithub★ 73
Juspay NeuroLinkDecide primitive returns calibrated boolean/choice/score judgments via Jev; powers Tara, Yama and Clairvoyance products at Juspay in production.sdkroutingclassificationgithub4
Light-WhisperOptional Jev classification decides whether to skip the AI polishing step in this shipped Windows dictation app, shown with per-result processing times.classificationmediagithub★ 643
SiftChrome extension labels every X post into six categories plus AI-written and off-topic flags using live Jev calls, vendor claims about $0.00003 per post.classificationbrowsergithub★ 83
AnyFilterChrome extension hides X posts matching user-described rules using live Jev classification calls per post, with a panel to undo misclassifications.classificationbrowsergithub★ 73
av (Pixel ML)Shipped video-intelligence CLI uses Jev to filter source relevance and rank scenes for its refined av ask question-answering command.classificationmediadatagithub3
JevProxyDrop-in reverse proxy routes OpenAI/Anthropic agent calls through Jev before an LLM call. Vendor claims 65% lower agent cost, 90% less loop latency, sub-25ms decisions.routingcoding-agentdiscord3
FakeCatchChrome extension scores Amazon/Flipkart/Trustpilot reviews for authenticity using Jev, live on the Chrome Web Store. No numbers published.browserclassificationdiscord3
VettlyContent-moderation API for app developers; Jev runs parallel probabilistic signals across text, image and video with programmable policies. No numbers published.guardrailsclassificationdiscord3
eslint-plugin-jev (ShahriarBijoy)ESLint plugin where each rule is a plain-English question Jev answers with a probability against a configurable threshold. No numbers published.coding-agentclassificationgithub★ 23
Jev-bot (venu)Turns a plain-language idea into a Jev integration design: Jev evaluates a published research library, GLM 5.3 drafts the workflow and JSON. No numbers published.coding-agentresearchdiscord2
JarvisCore (Prescott Data)Jev drives agent decisions, subagent routing, model-tier selection, and RAG passage filtering. Maintainer claims 1.37s wall, $0.000074 for four concurrent live Jev calls.routingragcoding-agentgithub★ 133
Awesome Jev (valentynkit)Directory of Jev projects where Jev itself classifies and reranks entries via 59 typed questions per repo. Author claims 323 projects, daily refresh.classificationdatadiscord3
jev-useClaude Code/Codex/pi plugin routes no-text-output agent steps to Jev instead of an LLM. Author claims p50 ~230ms, $0.02 per 1,000 judgments.coding-agentroutinggithub★ 103
RevolveOpen-source coding agent uses Jev to evaluate risky commands, set permission rules, flag broken instructions, and route external events. No numbers; author's daily driver.coding-agentguardrailsdiscord2
AlloyLocal multi-model CLI panel routes tasks between Claude, Codex, Gemini and Grok by complexity, model strength and quota via Jev. No numbers published.routingcligithub★ 22
Community Signals (Joshua Poddoku)Jev adds precision to a live read of Bluesky/HN chatter about AI-generated code. Source release pending; no numbers published.classificationresearchdiscord2
NolaTypeScript superset (.tsi) with typed LLM inference; added Jev as a provider for Scale/Prob/Choice primitives alongside native TS types. No numbers published.sdkdiscord3
EnzymeLocal-first compiler over Markdown knowledge bases uses Jev for program synthesis, output in about 0.5s. Author claims 350x cost, 1000x speed vs frontier models.coding-agentdatagithub★ 793
oko (bartlomein)Jev reranks locally found matches so coding agents read less of the repo. Author's 108-session pilot claims up to 46% fewer agent tokens, 18% less time with a warm cache.coding-agentsearchgithub★ 24
musecases.appLive Jev-based auto-moderation of user submissions for harmful content and quality. No numbers published.guardrailsclassificationdiscord3
Venice (AskVenice)Jev added as an inference option on Venice's API: send app state and typed questions, get back a probability, choice, or score. Vendor beta launch, no numbers published.sdkx2
Fieldnote (ClawScience)Live web tool pairs Jev with deterministic mathematics as a semantic physics/math solver. Author claims it solved 3 MIT Integration Bee 2026 qualifying questions.educationresearchdiscord2
OWLENAVietnam warehouse-automation vendor uses Jev for structured decisions inside its picking and routing engine. Vendor claims 43.6% less picking travel time on one live fulfillment wave.roboticsopsdiscord3
hush (emreozyoruk)GitHub Action triages issues with four calibrated Jev questions per issue, staying silent below maintainer-set confidence thresholds. Author claims ~300ms, ~$0.00002/issue, running on its own repo.opsclassificationgithub★ 13
openpoke-meets-jev (0xShin0221)Fork of the open-source Poke reimplementation moves email screening, execution-agent guardrails, and search reranking from Sonnet to Jev. Author ran an A/B and an adversarial injection test; no numbers quoted.guardrailssearchcoding-agentgithub★ 13
Pi-Saver (amazingjoe)Pi Coder extension where Jev dynamically prunes irrelevant conversation history per request while keeping full history locally. Author claims 75%+ less context.coding-agentdatagithub★ 02
jev-usher (cvsgireesh)Jev-powered model routing and recoverable context filtering for Claude Code, with a local UI comparing answers, tokens and timing. No numbers published; early stage.routingcoding-agentgithub★ 12
JevRouter.nvim (Mawfyy)Neovim plugin uses Jev to classify coding-assistant intent and route to file-read, edit, terminal, or Q&A handlers. Author claims under 200ms per decision.coding-agentroutinggithub★ 12
jev-align (Sutro)CLI finds uncertain examples, collects human labels, and runs GEPA to improve a Jev classifier. No numbers published.classificationevalgithub★ 2352
SiftRankSemantic ranking CLI added Jev as a provider alongside OpenAI-compatible APIs for ranking prose, code, and support tickets. No numbers published.searchcligithub★ 2002
jegrepNatural-language semantic grep answers a calibrated yes/no probability per file with Jev. Author claims $0.01-0.03 per search across a few thousand files.searchcligithub★ 533
jevcacheLocal decision cache memoizes Jev calls keyed on model/schema/state so repeats are free and deterministic in CI. No numbers published.opscligithub★ 522
Grok Bot Jev RouterJev classifies Grok Bot requests before research, browser, or retry work to reuse cache, stop retries, or ask a human. No numbers published.routingbrowsergithub★ 602
Pi-BifrostNative model router for the Pi agent; an optional Jev backend selects a configured routing tier before generation starts. No numbers published.routingcoding-agentgithub★ 522
Astra (MatrixOrigin)Self-hosted agent runtime integrates Jev as an optional judgment layer over budgeted context pipelines, with a public research paper. No numbers quoted.coding-agentresearchgithub★ 323
Jev DesktopJev selects an operation and target inside Codex Computer Use sessions for browser tabs and macOS apps. No numbers published.browsercoding-agentgithub★ 422
jev-mcpMCP server gives Cursor and Codex nine Jev tools for routing, patch review, claim verification, and content screening. No numbers published.mcpcoding-agentgithub★ 312
typesafe-mcpStdio MCP server wraps the TypeSafe API with automatic 429/529 retries so Claude Code and Codex can call Jev directly. No numbers published.mcpsdkgithub★ 232
SmartMoney-CubRead-only trading journal harness uses Jev for typed noul/choice/score judgments inside a reproducible finance benchmark; no order execution. No numbers published.financeevalgithub★ 252
jev-use (savka777)Voice-driven macOS computer use: Jev picks the next action from the Accessibility tree, no screenshots. Author claims about 0.3-1.5s per step.browserdemogithub★ 672
Hermes Jev SkillsJev handles model routing, memory compaction, and skill selection for Hermes/Claude Code/Codex agents. Author claims roughly 0.4s per decision.routingcoding-agentgithub★ 2473
Jev X Sentiment AnalysisCrypto decision terminal: Jev issues a buy/sell/hold call from live price data and pre-processed tweet sentiment across up to 1,000 tweets. No numbers published.financeclassificationgithub★ 1322
Jev Recall (samdotmak)Live demo reranks AI-assistant memories with one calibrated yes/no per memory via Jev instead of embedding similarity. No numbers published.searchraggithub★ 252
Pi Jev Guard (zszz3)Pi coding-agent plugin where Jev judges destructive commands, unauthorized exfiltration, and task drift before allowing tool calls. No numbers published.guardrailscoding-agentgithub★ 192
Jev DSH Decision (Devin-AXIS)Plugin for DeepSeek Harness and iPolloWork where Jev picks tools, skills, and task owners and scores output quality. No numbers published.routingcoding-agentgithub★ 322
is-malicious (luantak)CLI scans a codebase's source, config, build, and CI files with Jev for hidden or data-stealing behavior before you run it. No numbers published.securitycoding-agentgithub★ 172
jev-code (rhighs)TypeScript coding-agent CLI and SDK where Jev picks one option from a typed router or decision tree; code runs the effects. No numbers published.coding-agentsdkgithub★ 172
jev-seoFree SEO/GEO CLI and MCP server where Jev does semantic intent classification and AI-visibility scoring in place of Semrush/OpenSEO. No numbers published.searchmcpclassificationgithub★ 192
Transcript LensTurkish-language YouTube transcript explorer where Jev classifies chapters, claims, opinions, and topic matches without checking factual accuracy. No numbers published.classificationmediagithub★ 152
New 2026-09-19
Jev Codex RouterPer-turn model/reasoning routing for Codex, classified by Jev. Author claims ≈60% cost savings vs a full-frontier baseline on a 7-day replay of 237 real turns.routingcoding-agentgithub★ 864
Supercov (Supercorp)Scores source-code quality with Jev inside a coding-agent test/coverage loop. Vendor claims about $0.01 per megabyte of source scored.coding-agentevaldiscord3
ProkopExperimental opt-in setting where Jev selects relevant memories and skills for each response in a persistent coding workspace. No numbers published; off by default.coding-agentragdiscord2
Kyotofin tax-doc-classifierClassifies pages across 261 IRS forms in a production tax pipeline. Author claims 100% accuracy, $0.001/page, 34x cheaper, 6x faster than prior LLM.classificationfinancegithub★ 2954
OpenAgents CoderTerminal coding agent whose Jev "System One" judges respond/clarify/end and pass/retry/stop each turn before slower generation runs.coding-agentguardrailsdiscord3
typesafe-computer-useMac computer-use agent: Jev picks the next click from OCR'd text. Author claims about $0.0002 per step.browsergithub★ 6183
classifier.devPublic zero-shot text classification API; Jev is one tier in its live classification and LLM-fallback chain. No numbers published.classificationdiscord3
EZCollegeApp (via jev-browser-use)Jev drives clicks/navigation while Codex verifies, in production browser workflows. Author claims 5-10x faster browser operations at EZCollegeApp.browsercoding-agentgithub★ 2493
LangWatch Instant EvalsOn-demand evals over a product's whole production trace history. Vendor claims 97% agreement with human labels on 300 support chats and $0.32 per 10k conversations.evaldiscord4
Near HereEvent-listing validation. Published methodology against Mistral Small 4 and Gemini 3.5 Flash-Lite: claims up to 5.7x faster, 98% cheaper, 12 points more accurate.evaldatadiscord4
Swamp (Watson Labs)Jev screens alerts before routing in a live alert-triage system. Author claims 91% cheaper and 14.8% faster triage.opsroutingdiscord4
Vercel eve agent triageFailure-reason classification over real agent session logs. Author claims 320 sessions, 2M tokens, classified in 14 seconds for $0.08.classificationevalcoding-agentx4
Pinecone CultivarGrades agent skills and docs in Pinecone's eval harness. Maintainer claims 18x faster and about 38x cheaper than Claude for the grading step.evalcoding-agentgithub★ 404
FuelClassifies the first message of a chat to pick the model tier. Author claims 3x faster and 65% cheaper on their benchmark.routingclassificationx4
MaxfusionScores every shot of scraped competitor video ads and rates each ad out of 100. Author claims 450+ ads in under 3 minutes, about 1.5s per shot.mediaclassificationx4
AATF AI News DailyArticle-relevance gate inside a 50+ agent pipeline. Author claims 69 articles sorted in 0.7s at near-zero cost.classificationcoding-agentdiscord4
glutenornotGluten flagging from labels and menus. Author benchmarked Jev against Opus on 1,000 labels: equal accuracy, $0.03 vs $8.45, 0.17s vs 2.89s median. Production still on Opus at posting.classificationhealthevalgithub★ 13
AtisboClassifies customer feedback as problem, idea, question or noise in a live feedback-to-roadmap pipeline, dogfooded daily. Head-to-head against their LLM classifier posted without final numbers.classificationdatadiscord3
RuleRavenKubernetes incident-triage controller, running on the author's company cluster. Jev classifies ambiguous signals beside deterministic rules. No numbers.opsclassificationgithub★ 23
SlaideIntent gate, scope enforcement and fabrication guard in a live Markdown-presentation product. No numbers.guardrailsclassificationdiscord3
Everyframe Try-onPicks matching pieces to complete an outfit in a live AI try-on app. Author claims about 420ms per styling decision.classificationdemodiscord3
BlackVeil SecurityIntegrated into a DNS and email security scanner with NIST-aligned checks. No numbers.securitydiscord3
EmpryoFive decision points in a coding harness, benchmarked against frontier models in a public write-up. Founder calls it a positive experiment.coding-agentevaldiscord3
LectioGlossary term-sense selection and idiom flagging in a translation pipeline. Speed comparison posted, numbers in the linked test only.writingclassificationdiscord3
Monti tariff triageTariff-classification triage on real trade-compliance data. Author reports Jev beat Sonnet on his classification set.classificationfinancediscord3
PeakfloGeneral-ledger invoice coding on the fly inside an AP/AR automation product. No numbers.financeclassificationdiscord3
Jev ReviewerBrowser tool for systematic-review data extraction: Jev locates verbatim-quoted answers with page/paragraph against RoB 2, ROBINS-I, QUADAS-2 or TIDieR templates. No numbers published.researchhealthbrowserdiscord3
duckdb-jevDuckDB extension: jevchoice/jevscore SQL functions call Jev per row, returning a typed SQL column instead of generated text. No numbers published.datasdkgithub★ 153
oxlint-plugin-jevOxlint plugin sends each matched function, call or JSX element to Jev as a yes/no question and flags matches over a configurable cutoff. No numbers.coding-agentclassificationgithub★ 413
JevLintnpm CLI that sends source files to Jev for semantic rule checks, reporting a per-file violation probability against an 80% default threshold. No numbers.clicoding-agentdiscord3