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 337–360 of 853 Some public source has been reviewed; inclusion is not a performance or safety endorsement

jevfill

imohitmayank

337

Browser & OS Action MIT

Open `test/sample-form.html` in the browser, configure the extension, and click **Autofill page**.

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.

browser-automationtyped-decisions

JevFind

Peu77

338

Data & Search MIT

Fast semantic code search powered by Jev. Find the relevant files, line ranges, and snippets

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-retrievalcli-git-gates

safer-with-jev

andrelandgraf

339

Security & Guardrails source reviewed

An HTTP inspection gateway that checks request content with Jev before optionally forwarding it to an HTTPS destination.

JEV · Decision point

Jev judges prompt injection or unsafe content; local rules forward, flag or block the request.

Adds an inspectable content check ahead of an existing HTTP service.

security-guardrailstyped-decisions

slidepilot

harshil1712

340

Creative Tools MIT source reviewed

Voice-driven semantic auto-advance controller for Slidev presentations powered by Cloudflare Agents and TypeSafe Jev.

JEV · Decision point

Analyzes live speech transcripts with Jev to judge whether the current slide's topics are covered, triggering slide transitions.

Enables hands-free slide navigation by combining semantic completion checks with manual safety overrides.

creative-multimediavoice-conversationcloudflare-workers

typesafe_sdk

nshkrdotcom

341

SDK & Decision Frameworks MIT source reviewed

An Elixir TypeSafe SDK that brings Jev’s typed questions and probabilistic answers into Elixir applications.

JEV · Decision point

Builds state and Noul, Choice, and Score requests and parses System One responses.

Reuses Elixir data structures and client wrappers for decision APIs.

multilanguage-sdktyped-decisionsagents

typesafe-cli (y0usaf)

y0usaf

342

Domain & Vertical Tools

Ask Jev typed questions from the shell: noul, choice, and score answers as numbers, not prose

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

joshmn

343

SDK & Decision Frameworks MIT source reviewed

A community Ruby client for TypeSafe System One, defaulting to jev-latest.

JEV · Decision point

Builds Choice, Score and Noul questions and exposes parsed answers by type.

Lets Ruby programs read choices, scores and probabilities directly.

multilanguage-sdktyped-decisions

ai-provider-for-jev

soderlind

344

Domain & Vertical Tools

Connect WordPress to TypeSafe's Jev System One model for structured decisions (choice, score, noul).

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 (MrJev)

MrJev

345

Community Lists

Selective list behind a 10-star bar, with hands-on reviews at mrjev.com recording what each tool sends and where.

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.

computer-use-jev

paulsmith

346

Browser & OS Action MIT source reviewed

A Go-based macOS controller that asks Jev to choose controls and actions from the accessibility tree.

JEV · Decision point

Uses window state to select an action, target, text-input need, and completion status.

Grounds candidate controls in UI snapshots so choices can be inspected.

desktop-ostyped-decisions

dsh-jev

zhangxaochen

347

Security & Guardrails MIT

Jev (System One decision model) plugin suite for DeepSeek Harness (dsh)

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

every

sufianetaouil

348

Data & Search MIT

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

fast-dev-compaction

leonaaardob

349

Context GC & Filter MIT source reviewed

Codex plugin for context compaction, using Jev within session lifecycle hooks to preserve essential history while pruning noise.

JEV · Decision point

Assesses past conversation turns with Jev when context limits approach, selecting critical tool outputs and user requirements for retention.

Avoids blanket truncation or lossy re-summarization by selectively preserving exact code locations and decision traces.

context-compactioncoding-agentscodex

hermes-jev-plugin

ajensenwaud

350

Agent Tooling

TypeSafe Jev (System One) decision tools for Hermes Agent: jev_check / jev_route / jev_score / jev_evaluate

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

virolea

351

SDK & Decision Frameworks MIT

Ruby client for the typesafe AI Jev model

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

cobusgreyling

352

SDK & Decision Frameworks MIT

Unofficial TypeSafe Jev showcase — System One decisions, not chat.

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-decisionssecurity-guardrails

jev-behavior-study

RINNECODER

353

Evaluation & Observability MIT source reviewed

An independent Jev 1.13.0 behavior study recording successes and failures across question framing, input conditions and games.

JEV · Decision point

Sends controlled variants of fixed tasks and records choices, probabilities and raw request-response evidence.

Lets readers inspect individual cases rather than infer broad capability from simple-task success.

evaluation-benchmarksgames-simulation

jev-benchmark

wondertwins

354

Evaluation & Observability MIT source reviewed

Benchmarks Jev on chess moves and identifying which game NPC a player addresses.

JEV · Decision point

Selects legal chess moves or judges whether an utterance addresses each NPC.

Publishes labeled data, raw requests and responses, and evaluation code.

evaluation-benchmarksgames-simulation

jev-browse

kyrylosyzonenko

355

Browser & OS Action

Drives a real browser with Jev making every decision and Vercel's agent-browser performing every action, with a benchmark.

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-browse (0x7067)

0x7067

356

Browser & OS Action

Browser automation with Jev (TypeSafe) as 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.

jev-chat

adhyaay-karnwal

357

Evaluation & Observability MIT source reviewed

A research chat decoder that repeatedly asks Jev to choose words or phrases and assembles them in code.

JEV · Decision point

Compares stepwise Choice decoding with selection from complete candidate replies.

Provides decoder methods, experiment traces and documented failure cases.

evaluation-benchmarkstyped-decisions

jev-classifier

felpsdev

358

MCP & Integrations MIT source reviewed

A local Jev tool-routing gateway for coding Agents, with an MCP suggestion interface.

JEV · Decision point

Jev selects among available tools; adapters may record suggestions or influence actual tool selection.

Keeps decision logs while some clients remain observation-only or choose whether to follow suggestions.

mcp-integrationscoding-agentsllm-routing-cost

jev-clerk

stas4000

359

Browser & OS Action 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-cli (shaharia-lab)

shaharia-lab

360

Evaluation & Observability

Command-line tool for TypeSafe AI's Jev model. Ask yes/no, multiple-choice and rubric questions about any text and get calibrated probabilities back. Answers become exit codes for shells and CI, JSON for scripts, and MCP tools for AI agents.

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.