PROJECTS & RESOURCES DIRECTORY

Jev projects and resources

Find a Jev implementation for agent routing, browser actions, coding tools or context compaction. See which decision Jev handles, how it is integrated and whether the source evidence has been reviewed.

Community directory snapshot 2026-09-28 Review method 2026 ecosystem report

1428catalogued records

346source-reviewed entries

74project analysis pages

651Kknown deduplicated stars

The catalog includes 1,334 repository or integration records, 61 article or discussion records and 33 other resources. Repository links resolve to 1,332 unique GitHub repositories; a public link alone does not establish an open-source license.

HOT / 10

Popular Jev projects

Ten widely followed projects spanning browser automation, context compaction, trading, official skills, computer use, review, orchestration, and data.

01 jev-ultrafast ★ 19K 02 fast-jev-compaction ★ 6,653 03 jev-trader ★ 2,240 04 TypeSafe agent skills ★ 2,060 05 agent-desktop ★ 1,604 06 typesafe-computer-use ★ 937 07 Jev Review ★ 586 08 foreman ★ 540 09 hermes-jev-skills ★ 726 10 pg-jev ★ 329

01 / DIRECTORY

Browse Jev projects and resources

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 433–456 of 1428 Some public source has been reviewed; inclusion is not a performance or safety endorsement

trade-jev

justinhe16

433

Evaluation & Observability E0 · catalogued

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.

typesafe-local

aabolfazl

434

Evaluation & Observability E0 · catalogued

Inspired by TypeSafe Ai, Ask a local LLM typed questions, get calibrated probabilities instead of text. Structured output without generation or parsing. MLX / Apple Silicon.

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-dotnet-sdk

saibimajdi

435

SDK & Decision Frameworks MIT E2 · source reviewed

Community .NET SDK for TypeSafe AI and Jev, providing asynchronous typed evaluation for Choice, Score, and Noul primitives.

JEV · Decision point

Wraps System One API endpoints in TypeSafeClient to issue parallel question evaluations and parse responses into immutable C# records.

Brings native Jev decision primitives to the .NET ecosystem with dependency injection integration and configurable retry policies.

multilanguage-sdktyped-decisionsai

zod-jev

jomatsu

436

SDK & Decision Frameworks MIT E2 · source reviewed

Adds semantic rules to Zod validation, such as checking whether text matches a description or contains personal information.

JEV · Decision point

Combines semantic conditions from one parse into Jev Noul questions and maps probabilities to validation results.

Uses Zod’s error structure to attach semantic validation issues to fields.

multilanguage-sdksecurity-guardrailstyped-decisions

citation-verifier

MarissaFamularo

437

Domain & Vertical Tools E0 · catalogued

Check whether each cited paper supports the sentence citing it. Claude proves the quote, TypeSafe's Jev scores it, a human decides.

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.

diffjury

raihankhan-rk

438

Agent Tooling E0 · catalogued

DiffJury — TypeSafe Jev PR risk router + code review coach

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.

ego-jev

ZephyrDeng

439

CLI & Pipelines MIT E1 · source linked

Jev (TypeSafe System One) inner loop for ego-browser — one ~0.4s typed decision per DOM step instead of an LLM turn. Agent skill for ego lite.

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.

cli-git-gatesmcp-integrationsbrowser-automation

every

sufianetaouil

440

Data & Search MIT E1 · source linked

Ask a yes/no question of every function in a codebase. Ranked answers in seconds, for cents. Grep whose pattern is a question, powered by TypeSafe Jev.

JEV · Decision point

Converts natural language questions into boolean/probability queries across functions, ranking matches locally by confidence.

Enables natural language function discovery across codebases at low cost, similar to an intelligent grep.

search-retrievalclassification-ranking

gg-friggin-ez

ItisShikhar

441

Games & Simulation E0 · catalogued

Fast, drop-in profanity and toxicity screener for Node.js, powered by TypeSafe AI Jev. Catches leetspeak, character spacing, and romanized profanity across languages including Kannada, Telugu, Tamil, Hindi, and Bengali. ~50-500ms latency.

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.

heist-one

AbdelStark

442

High-Frequency & Simulation MIT E2 · source reviewed

Observable browser stealth game where Jev makes typed guard judgments while deterministic code owns the physics world.

JEV · Decision point

Queries Jev during gameplay ticks or events to determine guard alert states, feeding discrete decisions back into the game loop.

Demonstrates using Jev for game AI behavior trees, achieving dynamic situational awareness within deterministic constraints.

games-simulationtyped-decisionsai-game

jev_jsonschema

Kiln-AI

443

SDK & Decision Frameworks MIT E1 · source linked

`probabilities` is keyed by your schema's values, not Jev's internal labels, so a score of `1`–`5` reads as `"1"`–`"5"` and not `"0"`–`"4"`. Noul questions carry no confidence of their own, so `confidence` is `None` for booleans and numbers.

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.

multilanguage-sdktyped-decisions

Jev-Auto-Router

miniLV

444

Routing & Cost Optimization Apache-2.0 E1 · source linked

Jev Auto Router (Jev Router): experimental per-call GPT model routing for Codex via TypeSafe Jev and a local Responses proxy, with independent task verification.

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.

llm-routing-costtyped-decisions

jev-bigquery-cloudrun

jeffonelson

445

Data & Search E1 · source linked

Classify support tickets in BigQuery with Jev and Cloud Run

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.

search-retrievaltyped-decisions

jev-browser

tontoko

446

Browser & OS Action Apache-2.0 E2 · source reviewed

Playwright browser automation with Jev decisions through a shared CLI, MCP server and TypeScript SDK.

JEV · Decision point

Jev chooses actions, matches form fields or extracts structured content from page observations; Playwright executes.

Supports persistent sessions and UI readback, which does not by itself prove database persistence.

browser-automationmcp-integrationsmultilanguage-sdk

jev-clerk

stas4000

447

Browser & OS Action E2 · source reviewed

A macOS desktop clerk that books supplier invoices: Jev picks each click from a closed action list; a deep model only rewrites the playbook.

JEV · Decision point

POSTs https://api.typesafe.ai/v1/systemone as jev-latest with a closed action Choice each step.

Screen actions follow Jev's closed choices. Author demo numbers were not retested here. GitHub SPDX is empty; the LICENSE file is MIT.

desktop-osdomain-workflowstyped-decisions

jev-dsl

inanna-malick

448

SDK & Decision Frameworks MIT E2 · source reviewed

An early Haskell DSL that describes labeled Jev questions, renders requests and decodes matching answers.

JEV · Decision point

Uses inferred types and labeled handlers to connect Choice answers to predefined program branches.

Keeps questions, result types and branch handling in one inspectable definition.

multilanguage-sdktyped-decisions

jev-dspy-lab

jmanhype

449

SDK & Decision Frameworks MIT E1 · source linked

Reproducible calibration and selective-risk benchmarks for Jev/TypeSafe decisions in DSPy workflows

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.

multilanguage-sdkevaluation-benchmarks

jev-grand-prix

enoyola

450

Games & Simulation E0 · catalogued

An F1 racing game where TypeSafe's Jev picks the racing line and the pedals, and learns each corner's limit between laps

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.

jev-guard

muratcakmak

451

Security & Guardrails MIT E1 · source linked

Probability-scored guardrails for Claude Code: deny rule-breaking edits and unasked-for deploys, route your docs into each prompt, and check the final answer against the turn's own evidence.

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.

security-guardrailstyped-decisions

jev-mcp

rashedInt32

452

MCP & Integrations MIT E2 · source reviewed

An MCP server and Claude Code plugin for Jev classification, scoring, checks and batched questions.

JEV · Decision point

Calls TypeSafe with Choice, Score and Noul questions and returns structured answers.

Makes the typed decision primitives available to MCP clients.

mcp-integrationscoding-agentsclassification-ranking

jev-mcp (arunav25)

arunav25

453

Agent Tooling E0 · catalogued

Connect JEV to MCP clients and compare its judgments against general-purpose LLMs using shared datasets and measurable accuracy.

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.

JEV-Paper-Radar

Eliot5566

454

Domain & Vertical Tools MIT E1 · source linked

In GitHub Actions the links point at your own repo automatically (`GITHUB_REPOSITORY`), so a fork needs no configuration. Locally, set `output.feedback_repo = "owner/name"` or run `paper-radar harvest --repo owner/name`.

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

jev-pref

doeixd

455

Evaluation & Observability MIT E2 · source reviewed

Turns AGENTS.md preferences into rules checked by Jev against hunks, staged files or PRs.

JEV · Decision point

Jev classifies change evidence against configured rules; code maps answers to review outcomes.

Feeds semantic-rule findings to coding Agents without replacing type checks, tests or security audits.

coding-agentscli-git-gatesevaluation-benchmarks

jev-rerank-bench

anessbelbati

456

Evaluation & Observability MIT E2 · source reviewed

Compares Jev, dedicated rerankers and chat models on the same retrieved passages.

JEV · Decision point

Ranks candidate passages with Choice, Noul and rubric scores, then computes retrieval metrics.

Publishes raw responses, scoring code and per-dataset results for inspection.

evaluation-benchmarkssearch-retrievalclassification-ranking