CHOICEMake your first typed Jev decision
Classify a support ticket with Choice, then let code decide what happens next.
The complete library
Explore the ecosystem.
Browse outcome-first builds, source-screened projects, skills, videos and original guides. Search the homepage when you know what you want; start here when you want to wander.
NEXT ACTIONChoose the next browser action
Constrain an agent to a typed menu of browser moves instead of free-form tool text.
ROUTERoute work between coding agents
Score constraints like quota and task type, then pick which agent should run.
TRACELog decisions so you can disagree with them later
Record input state, typed answer, confidence, and the human override.
Official TypeSafe agent skills
Read the manufacturer's skill pack before installing community skills.
Source repository
Jev Browser
Jev BrowserChoose browser actions with Jev, then return a trace and screenshot from the run.
GitHub · jkudish/jev-browserJev Browser
Choose browser actions with Jev, then return a trace and screenshot from the run.
Source repository
Mobile Jev
Mobile JevDrive an Android agent from typed action choices with a visible execution trace.
GitHub · droidrun/mobile-jevMobile Jev
Drive an Android agent from typed action choices with a visible execution trace.
Source repository
Jev Router
Jev RouterRoute each coding-agent turn to a model tier without changing the CLI workflow.
GitHub · gargpratyush/jev-routerJev Router
Route each coding-agent turn to a model tier without changing the CLI workflow.
Source repositoryJev MCP
Jev MCPExpose typed verification, screening, ranking and review tools to an MCP client.
GitHub · jkudish/jev-mcpJev MCP
Expose typed verification, screening, ranking and review tools to an MCP client.
Source repository
HEIST//ONE
HEIST//ONEExplore a stealth game where Jev guards choices and deterministic code owns the world.
GitHub · AbdelStark/heist-oneHEIST//ONE
Explore a stealth game where Jev guards choices and deterministic code owns the world.
Source repository
Jev Align
Jev AlignImprove a decision boundary with human feedback and an evaluation loop.
GitHub · sutro-sh/jev-alignJev Align
Improve a decision boundary with human feedback and an evaluation loop.
Source repository
Perch semantic linter
Perch semantic linterCheck code against explicit custom rules before it reaches the next stage.
GitHub · lakeday-org/perchPerch semantic linter
Check code against explicit custom rules before it reaches the next stage.
Source repository
jev-guard
jev-guardRisk-score coding-agent tool calls before allowing, asking, or denying an action.
GitHub · leepokai/jev-guardjev-guard
Risk-score coding-agent tool calls before allowing, asking, or denying an action.
Source repository
Jev for Home Assistant
Jev for Home AssistantTurn typed decisions into Home Assistant actions and conversation entities.
GitHub · AboveColin/HA-JevJev for Home Assistant
Turn typed decisions into Home Assistant actions and conversation entities.
Awesome Jev directory
Use a community-maintained index to find Jev projects, games, skills, and integrations.
Building a harness with Jev
Study a primary-source harness pattern for putting typed decisions inside an agent workflow.
AutoJev hosted MCP
Explore hosted Jev decision endpoints for tool guards, routing, and review flows.
Introducing System One Models and Jev
Read the primary source for Jev's typed-decision model and its documented boundaries.
Verified YouTube linkJev is HERE. How to use it
Email triage and lead routing
Verified YouTube linkJev the new AI model full tutorial
Voice browser and use cases