Find a practical pattern

Study a narrow Jev decision before adopting a full application: route a request, apply a rubric or gate an action. Read an example, check the source documentation and compare an integration that uses the same idea.

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Submit a project

Reference library

64

Public projects, checked against their original sources.

001

Turn Jev answers about household state into Home Assistant sensors and automation responses.

PythonIntegrations☆ 6
002

Use Jev through the AI SDK evaluation API, with Choice, Score, and Boolean questions in one request.

TypeScriptIntegrations
003

Explore a Neo4j graph by asking Jev which relationship to follow and whether the goal is reached.

Jupyter NotebookIntegrations☆ 15
004

ruby_llm-typesafe

kieranklaassen

A RubyLLM 2 provider that expresses Jev questions through RubyLLM's structured output interface.

RubyIntegrations☆ 9
005

A community n8n node for adding typed Jev questions to automation workflows.

TypeScriptIntegrations☆ 0
006

Jevex

jvsteiner

An agent-loop experiment where Jev chooses actions and a LangChain model supplies text.

PythonExamples☆ 3
008

Inspect typed quality signals while drafting an X post.

TypeScriptExamples
009

Jev Audio Beeper

santos-sanz

Replace flagged Spanish words with beeps using timestamped transcripts.

TypeScriptExamples
010

Triage Guard

shivam2003-dev

Explore Jev workflows for tickets, operational alerts, and deployment risk.

PythonExamples
011

Eve

vercel

Use Jev for automatic model selection and typed evaluations in agents.

TypeScriptIntegrations
012

Vercel AI CLI

vercel-labs

Send typed evaluation questions from shell scripts through AI Gateway.

TypeScriptIntegrations
013

Loki

wundercorp

Add a Jev decision companion to the Loki agent.

PythonIntegrations
016

Safer with Jev

andrelandgraf

Place Jev judgments in an HTTP inspection and forwarding service.

TypeScriptIntegrations
018

pg_typesafe

giuliosmall

Ask Choice, Noul, and Score questions from PostgreSQL.

CIntegrations
019

Add Jev configuration, usage records, and confidence policies to Rails.

RubyIntegrations
020

TypeSafe Assist

JanOstrowka

Interpret Home Assistant voice commands with batched Jev questions.

PythonIntegrations
021

Jev4Mellea

SoundBlaster

Prototype Jev semantic checks for a Mellea generation loop.

PythonIntegrations
022

Browse reusable React components for TypeSafe-style decision interfaces.

TypeScriptIntegrations
023

Instinct

joevidev

Turn a natural-language request into choices from a fixed UI catalog.

TypeScriptExamples
024

Human Compiler

asfarsadewa

Read writing diagnostics through a playful compiler-style interface.

TypeScriptExamples
025

Jev Paper Judge

JacobLinCool

Evaluate a paper’s presentation, clarity, and completeness.

TypeScriptExamples
027

Inspect separate Jev checks for clarity, filler, tone, and actionability.

TypeScriptExamples
028

Jev Data Analysis

narulaskaran

Bring a CSV and inspect Jev classifications in a distribution chart.

TypeScriptExamples
029

Smart Home Assistant Demo

TypeSafe AIOfficial

An official walkthrough of batching home-control questions and using only the relevant answers.

OtherExamples
030

TypeSafe Quick Start

TypeSafe AIOfficial

Start with the playground, make an HTTP request, and translate a first evaluation into Python.

OtherLearning
031

Choice, Score & Noul

TypeSafe AIOfficial

Understand the three question types, the answers they return, and when to use each.

OtherLearning
033

System One HTTP API

TypeSafe AIOfficial

The request and response contract for calling Jev directly over HTTP.

OtherLearning
035

TypeSafe Workflow Evals

TypeSafe AIOfficial

TypeSafe's published comparison of structured workflows and single-prompt approaches.

OtherLearning
036

Source description: ResolveIQ by Jev — An AI-powered customer support triage platform that intelligently classifies support tickets, prioritizes issues, and generates context-aware response suggestions using Jev, LangChain, Groq, and FastAPI.

PythonIntegrations☆ 1
037

Source description: Confidence-aware content moderation for Laravel: classify any Eloquent model with Jev and route each item to passed, flagged for human review, or blocked, using per-category thresholds.

PHPIntegrations☆ 1
038

jev_router

twilso24

Source description: Standalone TypeSafe Jev-based auto-routing for Agent Zero

PythonIntegrations☆ 1
039

Source description: A native LangGraph conditional edge that replaces slow generative LLMs with TypeSafe AI's deterministic System One model (`Jev`). It enables ultra-fast (sub-500ms), schema-safe routing between specialized agents.

PythonIntegrations☆ 2
040

voice_control

igorkasyanchuk

Source description: You say it. Your app does it. Voice and typed commands for Rails.

JavaScriptIntegrations☆ 1
041

jevtraces

ishantanu

Source description: The three probability attributes occur only with scored and are in [0, 1]. They are independent judgments, not an overall confidence value. Questions are sent together using TypeSafe's noul primitive through the HTTP API.

GoIntegrations☆ 0
042

jev-acp

formulahendry

Source description: Use Jev typed decisions from any ACP (Agent Client Protocol) client or IDE

TypeScriptIntegrations☆ 1
043

Source description: Скилл для агентов Letta: суждения по критериям через TypeSafe System One (Jev)

PythonIntegrations☆ 1
044

nocap

xi029

Source description: No evidence, no answer. 🧢 System One evidence gate for RAG & AI agents: Jev / Laya / any LLM judges before your LLM speaks. MCP server, Python SDK, CI route tests.

PythonIntegrations☆ 1
045

ha-gutcheck

funkadelic

Source description: Home Assistant integration that uses TypeSafe AI's Jev to spot problems and suggest cleanups in your install, and asks before changing anything

PythonIntegrations☆ 3
046

hush

emreozyoruk

Source description: Issue triage that stays quiet when it isn't sure. Calibrated labels, spam and duplicate detection — with abstention.

JavaScriptIntegrations☆ 4
047

Source description: Démo : trier des demandes de support avec Jev (TypeSafe) et Symfony AI. Messenger, Live Components, Turbo, kit shadcn de UX Toolkit.

PHPIntegrations☆ 2
048

Source description: n8n community node for TypeSafe Jev structured AI decisions

TypeScriptIntegrations☆ 2
049

Source description: Hands-on LangChain examples of Jev, TypeSafe AI's decision model: support ticket triage, model routing, reply guardrails, tool selection and finance-inbox fraud checks. An LLM writes; Jev decides.

Jupyter NotebookIntegrations☆ 5
050

jevmetrics

ishantanu

Source description: Jev inference for metric assessment and retention in OpenTelemetry.

GoIntegrations☆ 5
051

filament

vibefilter

Source description: Filter Filament tables with a plain-English statement. Each row is scored by TypeSafe Jev.

PHPIntegrations☆ 4
052

Source description: A Home Assistant voice agent that decides with typed, calibrated judgements instead of an LLM. One ~300 ms call per command, and it asks when it isn't sure.

PythonIntegrations☆ 7
053

typesafe-ui

TypeSafeAI

Source description: shadcn-style reusable components and blocks for using TypeSafe AI.

TypeScriptIntegrations☆ 7
054

Source description: Per-turn skill selection for LangChain and deepagents agents: a fast judge picks the few skills a turn needs, so a catalog of hundreds stays out of the prompt.

PythonIntegrations☆ 6
055

n8n-nodes-jev

vibe-with-me-tools

Source description: Helper n8n community node for Jev by TypeSafe. Classify, route, and score text with questions you define, and get a probability for every answer so unsure items can go to review.

TypeScriptIntegrations☆ 6
056

Source description: n8n community node for Jev by TypeSafe AI: classify, score and check text with calibrated probabilities. Parallel requests and multi-item batching.

TypeScriptIntegrations☆ 6
057

Source description: Semantic decisions as ordinary Ruby #feels?, #decide, #score, Rails validations and pattern matching powered by Jev

RubyIntegrations☆ 20
058

discern

doeixd

Source description: Craft Type-Safe Uncertainty-aware semantic pattern matching, control flow, and smart procedures for Effect DecisionModel and Jev

TypeScriptIntegrations☆ 15
059

jevql

kylemclaren

Source description: Semantic SQL for Postgres, powered by Jev

GoIntegrations☆ 14
060

jevc

doronp

Source description: Compile agent policy prose into deterministic verdict programs: narrow evidence questions for the model, the verdict computed in code. Install: npm i -g jev-compiler

TypeScriptIntegrations☆ 8
061

llama-index-jev

WiktorB2004

Source description: LlamaIndex reranker + router powered by TypeSafe Jev - typed scores/choices, cheaper than LLM-as-judge.

PythonIntegrations☆ 8
062

pg-jev

realZachi

Source description: Ask your Postgres tables questions in plain language. A PostgreSQL extension powered by TypeSafe's Jev.

ShellIntegrations☆ 1,118
063

Source description: Fish-style zsh history autosuggestions ranked by Jev (TypeSafe)

TypeScriptIntegrations☆ 119
064

jevmail

fazlerocks

Source description: Open-source AI email triage for Gmail. Sorts your inbox into Needs reply, Updates, Promos, Sales and Spam with Jev, TypeSafe AI's decision model, via Vercel AI Gateway. Read-only, runs locally, 1,000 emails in about a minute for 3 cents.

TypeScriptIntegrations☆ 96