OPEN-SOURCE PROJECT DIRECTORY

Jev project radar

Browse community-built Jev projects, see what they solve and where Jev makes a decision, then open the repository and reviewed source links.

Data imported from AgentBuff Awesome Jev snapshot 2026-09-21 Review method

853open projects

23project categories

587Kcombined GitHub stars

295fixed-source reviews

01 / DIRECTORY

Browse Jev projects

Search by project, author, use, or tag, then filter by category or activity. Open project details to see how it uses Jev and review its source links.

Showing 481–504 of 853 Some public source has been reviewed; inclusion is not a performance or safety endorsement

siftr

Bentlybro

481

Evaluation & Observability

Fast, cheap judgment for AI coding agents: semantic search, focused reads and list picking in ~2s. CLI + MCP server on TypeSafe Jev. Benchmarked on SWE-bench.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

skill-router

lomeshdutta

482

Agent Tooling

Tell Claude Code which installed skill a session needs, using Jev (TypeSafe AI) for the decision and skills.sh for discovery.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

sqlite3-jev

mattn

483

Domain & Vertical Tools MIT

SQLite C extension enabling TypeSafe Jev judgments as native SQL functions for semantic scoring and choices.

JEV · Decision point

Registers custom functions like jev_choice and jev_score directly inside the SQLite query pipeline.

Enables row-level semantic classification directly inside relational SQL queries without glue code.

domain-workflowstyped-decisions

system-one-gemma

akash-kamat

484

Evaluation & Observability

Open-source Jev-style System One decision model. Gemma 3 270M with a scoring head — fast, calibrated decisions in a single forward pass. No text generation. Inspired by TypeSafe.ai's Jev.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

tenbin

simota

485

MCP & Integrations MIT source reviewed

Documentation, an MCP server and a Skill for designing Jev judgments with question linting, batch evaluation and calibration.

JEV · Decision point

Runs Choice, Score and Noul over samples and uses measured results to design local thresholds.

Connects question design, sample evaluation and runtime rules.

mcp-integrationsevaluation-benchmarkstyped-decisions

tiershift

iamvatsalpatel

486

Routing & Cost Optimization MIT source reviewed

Policy-driven model routing framework routing every LLM call to the cheapest capable tier in ~180 ms via TypeSafe Jev.

JEV · Decision point

Uses declarative YAML policies evaluated by Jev discrete classification without requiring pre-collected training data.

Provides unified TypeScript and Python interfaces to minimize inference spend with minimal routing overhead.

llm-routing-costtyped-decisionsagents

todo-jev

maker-KK

487

Routing & Cost Optimization MIT source reviewed

A task-routing experiment combining skill conditions and environment checks to suggest rules, skills or a large model.

JEV · Decision point

Jev classifies requests and matches skills, with heuristic fallback when unavailable.

Classification and recommendations are implemented; execution handlers still return examples and need real integrations.

llm-routing-costtyped-decisions

toolgate (RiskAverseTech)

RiskAverseTech

488

Evaluation & Observability

Open auto mode for AI agents — a calibrated tool-call firewall powered by TypeSafe Jev. Ships as a Claude Code hook

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

trade-jev

justinhe16

489

Evaluation & Observability

Backtest Jev (TypeSafe) as a BUY/SELL/HOLD trader on NQ L10 order-book data

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

turbo

sightmap

490

Browser & OS Action

Jev-powered semantic browser use

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

typesafe-ai-jev

kcb-swe-gh

491

SDK & Decision Frameworks

Java 21 client for Jev, TypeSafe AI's structured decision model

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

typesafe-ai-rails

GenieRobot

492

SDK & Decision Frameworks MIT source reviewed

Ruby on Rails integration gem for TypeSafe AI and Jev, providing model-level classification and decision policy patterns.

JEV · Decision point

Dispatches state and criteria from ActiveRecord models or services to Jev System One endpoints, logging structured outcomes.

Simplifies adding Jev discrete judgments to Rails web apps with standard Railtie configuration and policy wrappers.

multilanguage-sdkdomain-workflowstyped-decisions

typesafe-chess (Dimesio)

Dimesio

493

Evaluation & Observability

FUn little experiment with Typesafe AI Jev Model playing chess against stockfish :)

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

typesafe-go

cole-gillespie

494

SDK & Decision Frameworks MIT source reviewed

An unofficial Go SDK with typed answers, retries and context cancellation.

JEV · Decision point

Sends application state and questions to Jev and parses Choice, Score or Noul answers.

Packages requests and response parsing for typed decisions in applications.

multilanguage-sdktyped-decisions

typesafe-go

2389-research

495

SDK & Decision Frameworks MIT source reviewed

A TypeSafe System One client that uses only the Go standard library to send Jev questions and read structured answers.

JEV · Decision point

Builds requests from state and Noul, Choice or Score questions, then validates and parses responses.

Reuses transport, typed mappings and error handling in Go applications.

multilanguage-sdktyped-decisionsapi-client

typesafe-jev

gtaras7

496

Domain & Vertical Tools

Screen a folder of CVs with the TypeSafe Jev decision model: typed judgments, an editable policy, free re-scoring.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

typesafe-migration-guard

opaielsheikh

497

Agent Tooling

Automated database migration safety reviewer powered by TypeSafe AI (Jev System One model)

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

typesafe-mod

BeLazy167

498

Agent Tooling

Claude Code mod that routes decisions to TypeSafe's Jev model: ranks installed skills per prompt, and answers the agent's own this-or-that questions when confident.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

typesafe-sdk-rust

codeitlikemiley

499

SDK & Decision Frameworks MIT source reviewed

A Rust client for TypeSafe with asynchronous and optional blocking calls plus typed question and answer wrappers.

JEV · Decision point

Builds Jev requests and handles authentication, transport and structured response parsing.

Reuses API models and transport logic in Rust applications.

multilanguage-sdktyped-decisions

typesafe-ui

TypeSafeAI

500

MCP & Integrations

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

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

TypeSafeAI.Net

Hawxy

501

SDK & Decision Frameworks

.NET SDK for the TypeSafe AI platform

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

windows-save-token-jev-setup

455-dIAO

502

Agent Tooling

Windows Codex Skill：通过 npx 或 Git 安装，安全配置 save-token-jev 的 PreCompact/SessionStart Hooks，并提供信任、原生压缩与旧内容隔离验证。

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Know before you click. A Chrome extension that reads articles and YouTube videos ahead of you and says read, skim, save, or skip — with a confidence, tuned to your goals. Open source, MV3, powered by Jev.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

work-with-jev

Adkid-Zephyr

504

Domain & Vertical Tools MIT

Work with Jev is a local-first message classifier that uses Jev to sort work messages into urgent, to-do, worth-reading, and skippable groups with cross-chat to-do management and Feishu and WeCom adapters.

JEV · Decision point

Jev returns a structured decision for the local program; consult the source for the exact decision policy.

Adds structured choices or scores to the workflow; performance and cost benefits have not been independently verified.

domain-workflowstyped-decisions