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.

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 889–912 of 1428 Some public source has been reviewed; inclusion is not a performance or safety endorsement

jev-skill-selection

redreamality

889
Context GC & Filter MIT E1 · source linked

Pre-message hook: use TypeSafe Jev to keep/drop skills and shrink agent context

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.

context-compactiontyped-decisions

jev-skillful

bestagentkits

890
Agent Tooling E0 · catalogued

Per-prompt capability router for coding agents: resolves installed skills, MCP servers, agents and commands against your prompt via TypeSafe Jev, and measures whether the injection actually helps.

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-skills

eran-broder

891
Context GC & Filter MIT E1 · source linked

Skills without the context tax. Claude Code and Codex plugin: TypeSafe's Jev decides on every turn which skills the model sees. Always-on context cost: 0 tokens.

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.

context-compactionclassification-ranking
892
Decision Tools MIT E1 · source linked

Jev Slop Guard — a Chrome extension that scores and stamps AI slop on your X and LinkedIn feeds as you scroll

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.

typed-decisionsbrowser-automation

jev-spam-eval

bitnovus

893
Evaluation & Observability E0 · catalogued

Zero-shot spam filtering with TypeSafe Jev Noul questions, compared with TF-IDF baselines

BASIC LISTING

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

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jev-starter

hamakyo

894
SDK & Decision Frameworks MIT E2 · source reviewed

TypeScript patterns for thresholds, fallbacks, human review and evaluation on top of the TypeSafe SDK.

JEV · Decision point

Jev returns judgments; application policies choose automatic handling, fallback or human review.

Separates model calls, execution policy and evaluation.

multilanguage-sdksecurity-guardrailsevaluation-benchmarks
895
Demos & Playgrounds E0 · catalogued

Visually configure Jev questions, test them live, export ready-to-use code.

BASIC LISTING

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

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896
Agent Tooling E0 · catalogued

System-architecture skill for TypeSafe AI Jev/System One — find fuzzy semantic judgment and turn it into small Choice/Score/Noul primitives.

BASIC LISTING

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

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jev-system-one-reference

sebastianbennis

897
Evaluation & Observability E0 · catalogued

Independent Jev / System One reference with API examples, implementation guidance and reusable prompts for engineers and coding assistants.

BASIC LISTING

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

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jev-trade-cc

michaelpersonal

898
Domain & Vertical Tools E0 · catalogued

Jev Can Trade Stocks — a point-in-time O'Neil momentum backtest where TypeSafe's System One model picks the entries and judges the exits

BASIC LISTING

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

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jev-workbench

molis-ai

899
MCP & Integrations MIT E2 · source reviewed

Defines, tests, and publishes Jev decision functions in a local UI so backends and Agents can call fixed versions.

JEV · Decision point

Encodes classification or evidence checks as Noul, Choice, or Score questions sent to TypeSafe.

Lets multiple callers reuse the same versioned decision function.

mcp-integrationstyped-decisionsevaluation-benchmarks

jev-x

vladzima

900
Domain & Vertical Tools E0 · catalogued

Cut the noise on your X timeline: Jev (TypeSafe System One) scores posts on firsthand experience, promo, bait, depth, and relevance; your sliders decide what gets dimmed or collapsed.

BASIC LISTING

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

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jev-x-kit

Kadihx

901
Evaluation & Observability E0 · catalogued

Offline $0 decision layer for coding agents: Choice/Score/Noul primitives, BELKI confidence gatekeeper, ultra-planning, red-teaming, research and RLVR self-improvement -- as an MCP server + CLI + Claude Code skill.

BASIC LISTING

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

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902
Games & Simulation E0 · catalogued

TypeSafe'in Jev karar modeli gerçek bir online 2048 sitesinde oynuyor — hamle başına tek API çağrısı, tek anahtar.

BASIC LISTING

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

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Jev4Mellea

SoundBlaster

903
SDK & Decision Frameworks Apache-2.0 E1 · source linked

This is an unofficial, synchronous adapter. Jev evaluates text; it does not generate or repair it.

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

jevalyzer

killerz3

904
Evaluation & Observability E0 · catalogued

Grade the agent sessions already on your disk. Claude Code, Codex, opencode, Gemini CLI and Antigravity, scored with Jev for cents.

BASIC LISTING

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

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jevarena

raihankhan-rk

905
High-Frequency & Simulation MIT E2 · source reviewed

Two Jev Agents play Snake in side-by-side browser panes with visible per-step choices.

JEV · Decision point

Selects a direction-button target from allowed controls using structured board state.

Displays candidate controls, action probabilities and game progress together.

games-simulationtyped-decisions

jevball

atarikcaliskan

906
Games & Simulation E0 · catalogued

22 Jev models, one ball: a 3D football match where every player is its own Jev (TypeSafe AI System One) decision. Watch, or take over the number 9.

BASIC LISTING

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

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jevbrief

Parthkomalwad

907
Context GC & Filter MIT E1 · source linked

[Adapters](#adapters)  ·  [Quick start](#quick-start)  ·  [Game demo](#watch-jev-play-a-game)  ·  [Python](#use-it-in-python)  ·  [Viewer](#see-every-decision)  ·  [How it works](#how-it-works)  ·  [Benchmarks](#benchmarks)  ·  [Build an adapter](#build-your-own-adapter)  ·  [Contributing](#contributing)

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.

context-compactiontyped-decisions

jevbus

zkjoie

908
Routing & Cost Optimization Apache-2.0 E1 · source linked

A streaming event bus whose routing, subscription and consumption are decided by a probabilistic judge. The reference judge is TypeSafe AI's Jev (System One) model: send it a payload and a set of typed questions, get back calibrated probabilities instead of prose.

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

jevclient

AboveColin

909
SDK & Decision Frameworks MIT E2 · source reviewed

An asynchronous Python Jev client that batches typed questions in one request.

JEV · Decision point

Calls TypeSafe through aiohttp and parses choices, scores and probabilities into objects.

Fits existing async applications without parsing generated prose.

multilanguage-sdktyped-decisionsasync

jevcumber

RubyBrewsday

910
Browser & OS Action E0 · catalogued

Write Cucumber tests with just the .feature file. No step definitions — Jev (TypeSafe AI) resolves each Gherkin step and Playwright runs it.

BASIC LISTING

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

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jevgo

fgn

911
SDK & Decision Frameworks MIT E2 · source reviewed

A community Go client with a standard-library core and optional Langfuse tracing.

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-sdkevaluation-benchmarkstyped-decisions

jevibe-check

sriganesh

912
Domain & Vertical Tools E0 · catalogued

A live tone labeler for Bluesky posts and drafts, using TypeSafe's Jev API.

BASIC LISTING

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

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PROJECT DETAILS