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 73–96 of 1428 Some public source has been reviewed; inclusion is not a performance or safety endorsement

WrongStack

073

Routing & Cost Optimization MIT E2 · source reviewed

An optional Jev dispatch classifier for choosing among WrongStack specialist Agents.

JEV · Decision point

Jev evaluates the task against eligible specialists; local dispatch rules use the result.

Makes specialist selection a configurable step in an existing coding Agent.

coding-agentsllm-routing-costagentic-ai

pg-jev

realZachi

074

Data & Search E2 · source reviewed

Adds natural-language filtering, classification, and ranking of rows to PostgreSQL queries.

JEV · Decision point

Sends row content to Jev for a match decision, category, or score used by SQL conditions and ordering.

Combines semantic conditions with existing SQL and reuses cached results.

database-vectorclassification-ranking

instructor-php

cognesy

075

SDK & Decision Frameworks MIT E2 · source reviewed

A TypeSafe Decision driver within Instructor PHP’s Polyglot module.

JEV · Decision point

Converts application state and typed questions into Jev requests and maps responses to PHP decision objects.

Lets PHP applications use Jev through a shared Decision interface.

multilanguage-sdktyped-decisionsagents

jev-mcp

jkudish

076

MCP & Integrations MIT E2 · source reviewed

Eight MCP tools for evidence checks, content screening, search, reranking, classification, comparison and extraction.

JEV · Decision point

Uses typed questions to assess evidence support, content risk and candidate relevance.

Returns judgments and probabilities; the caller owns thresholds and enforcement.

mcp-integrationsclassification-rankingsearch-retrieval

JevRev

Alex314618-create

077

CLI & Pipelines MIT E1 · source linked

Your LLM can imagine, write, test, and revise. It should not have to make every cheap routing decision by itself.

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-gatestyped-decisions

LLM2Jev

Yinsongxu

078

Domain & Vertical Tools E0 · catalogued

Adapt local language models into Jev-compatible structured decision engines with Choice, Score, and Noul outputs powered by prefill-only binary inference.

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-mcp

itsmostafa

079

MCP & Integrations MIT E2 · source reviewed

An MCP server that lets Claude Code, Claude Desktop, Codex and Pi ask Jev typed questions.

JEV · Decision point

Submits state and Choice, Score or Noul questions and returns structured answers with probabilities.

Provides decisions that calling code can inspect and branch on.

mcp-integrationscoding-agentstyped-decisions

System One adapter (Python)

typesafe-ai

080

Official E0 · catalogued

Official drop-in TypeSafeClient replacement backed by OpenAI, Anthropic, and compatible LLM APIs, for comparing Jev against chat models.

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.

agent-jev

malevrigns

081

Evaluation & Observability E0 · catalogued

AgentJev-0.6B - a fast 'System One' decision model for AI Agents: feed it any unstructured state (diffs, traces, logs) and structured questions, get calibrated probability distributions back in one ~50ms forward pass. Zero output-token decoding.

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.

awesome-jev (OmniJev)

OmniJev

082

Community Lists E0 · catalogued

Papers, open reproductions and independent evaluations behind System One models and 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.

jev-align

sutro-sh

083

CLI & Pipelines Apache-2.0 E1 · source linked

1. Evaluates the configured dataset and measures uncertainty. 2. Selects ambiguous rows plus a random audit sample for you to label. 3. Uses your accumulated labels and optional rationales to run GEPA. 4. Shows the score, certainty change, and proposed definition diff. 5. Lets you accept, reject, rewind, or resume later.

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-gatestyped-decisions

openJev-verdict-2.0

Heman10x-NGU

084

Evaluation & Observability E0 · catalogued

Calibrated 151M Non-Autoregressive Decision Engine beating TypeSafe Jev & Laya on LocalLLaMA/typed-decisions (77.10% acc, 0.0636 Brier, 0.0144 ECE)

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.

orchestkit

yonatangross

085

CLI & Pipelines MIT E2 · source reviewed

OrchestKit can optionally use Jev to classify coding sessions and set their colors when confidence meets a threshold.

JEV · Decision point

Classifies the first task prompt and branch state by work type; local policy accepts the result or falls back.

Distinguishes sessions by work type and supports a shadow comparison mode.

coding-agentsclassification-rankingagent-orchestration

jev-visual

hr98w

086

Evaluation & Observability E0 · catalogued

An educational Jev-like visual inference experiment on Apple Silicon: shared context, direct candidate scoring, and local visual demos.

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-voice-browser

moritzkremb

087

Browser & OS Action MIT E2 · source reviewed

Controls a Playwright browser by sending incremental speech transcripts to Jev.

JEV · Decision point

Chooses intent, elements, URLs or verbatim spans and judges command completeness and sensitive actions.

Shows probabilities, actions and request timing during voice interaction.

browser-automationvoice-conversation

awesome-jev (kydlikebtc)

kydlikebtc

088

Community Lists E0 · catalogued

805 verified examples of Jev — TypeSafe AI's System One decision model — indexed by the decision each one makes, not the blog that mentioned it. Every cited call site is re-read by CI each week. Bilingual EN/中文, JSON schema, and a cross-platform compatibility table.

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-codex-router

0xNatoshi

089

Routing & Cost Optimization MIT E2 · source reviewed

Uses Jev to classify each Codex turn, then applies local rules to choose the model, reasoning effort, and speed mode.

JEV · Decision point

Classifies task difficulty and reasoning needs before local policy selects a model configuration.

Keeps routing policy and decision logs local for inspection and tuning.

llm-routing-costcoding-agentsai

jev-browser

jkudish

090

Browser & OS Action MIT E2 · source reviewed

Drives a browser from a task and URL, returning the final page, screenshot and action trace.

JEV · Decision point

Chooses DOM actions and judges goal completion or stalled progress; a separate model can supply typed text.

Records proposed actions, execution and stop reasons for inspection.

browser-automationtyped-decisions

pi-fabric

monotykamary

091

SDK & Decision Frameworks MIT E2 · source reviewed

Pi’s programmable runtime includes an optional Jev loop for observing state, making decisions and running bounded actions.

JEV · Decision point

Programmed questions feed Jev judgments into local action logic under runtime budgets.

Keeps observation, judgment and execution steps in a reusable program.

coding-agentsmcp-integrationstyped-decisions

openai-scala-client

cequence-io

092

SDK & Decision Frameworks MIT E2 · source reviewed

A dedicated TypeSafe module in a Scala client that supports multiple AI providers.

JEV · Decision point

Sends shared state and typed questions to Jev and parses structured answers.

Lets Scala applications reuse provider transport and error-handling conventions.

multilanguage-sdktyped-decisionsanthropic

vector-graph-rag

zilliztech

093

Data & Search MIT E1 · source linked

Graph RAG with pure vector search, achieving SOTA performance in multi-hop reasoning scenarios.

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

jeff

logan-markewich

094

Domain & Vertical Tools E0 · catalogued

A self-hosted drop-in replacement for TypeSafe's jev, powered by GliFormer.

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.

skillbox

kitze

095

Routing & Cost Optimization MIT E2 · source reviewed

A self-hosted, versioned Agent skills library with optional Jev recommendations.

JEV · Decision point

Jev scores task relevance among skills the client is allowed to access.

Suggests relevant skills while retaining the library’s client access scope.

llm-routing-costmcp-integrations

typesafe-sdk-js

typesafe-ai

096

SDK & Decision Frameworks MIT E2 · source reviewed

The JavaScript and TypeScript SDK published by TypeSafe, with typed Jev requests and answers.

JEV · Decision point

systemOne submits state and named questions and infers answer types from the questions.

Includes ESM, CommonJS and TypeScript declarations for application integration.

multilanguage-sdktyped-decisions