demoauthor demo
Pull-request review gate
Jev evaluates a pull request against bounded review questions before results reach the user.
PR GATES AND ROUTERS
Coding workflows
Jev inside coding agents: reviewing diffs against fixed checks, choosing models per turn, deciding what stays in context.
PR gates, routers and review tools that turn a code question into a typed decision.
37 entries
reposource-backed
Jev Codex Router
Per-turn routing chooses a model, reasoning depth and speed mode for Codex.
demoauthor demo
Instant context compaction
Jev scores which tool calls and results remain relevant before context is compacted.
demoauthor demo
Agent routing in FirstMate
A model or agent route is chosen from a fixed catalog based on the current task.
reposource-backed
Building with Jev skill
An agent skill for finding and designing bounded Jev decisions in software.
postcommentary
Find every decision in a workflow
A prompt asks coding agents to inventory every bounded semantic decision where Jev might replace a heavier model call.
postcommentary
Early Jev GitHub projects
An early community roundup of repositories and Jev experiments.
demoauthor demo
Vercel's fx safety classifier on Jev
Vercel benchmarked the auto-mode safety reviewer of its fx coding agent with Jev in place of GPT Luna and says it is likely to become the default.
reposource-backed
toolgate: a tool-call firewall for agents
Screens agent tool calls for destructive, exfiltration, privilege-escalation and off-task actions using Jev probabilities, ships as an npm package and a Claude Code PreToolUse hook, and logs an audit trail.
reposource-backed
jev-rules for Claude Code
A Claude Code plugin that asks Jev which standing rules and codebase maps are relevant to the current prompt or file edit, injects only those, and falls back to all rules if the API is down.
reposource-backed
blink: codebase search with Jev-scored paths
Jev scores file and folder names so an ensemble of walkers is allocated across the most probable paths; a Bun CLI with recursive and multi-walker modes and JSON traces.
demoauthor demo
Claude Code hook routing tasks with Jev
A Claude Code hook where Jev decides whether a task goes to Haiku, an Opus sub-agent, or an external harness such as Codex or OpenCode.
articleauthor demo
Empryo: Jev inside a coding-agent harness
Wires Jev into five decision points of a coding-agent harness; the main test is failure triage on 102 real provider-API failures from session logs.
demoauthor demo
Request router that picks the serving LLM
A router where Jev decides which LLM should serve each incoming request; the same author hosts a Pac-Man page where Jev chooses a direction at every junction.
reposource-backed
jev-review: staged code review with a local panel
A step-by-step code-review workflow built on Jev with a local dashboard, listed in the Studio Yebisu roundup.
reposource-backed
jev-router for Claude Code
Routes Claude Code tasks to a cheaper or more suitable model based on a Jev decision; listed in the Studio Yebisu roundup.
postsource-backed
Foreman: a supervisor for coding agents
Foreman watches coding agents and uses Jev to continuously assess progress, completeness, tests, drift and verification, intervening when needed.
demoauthor demo
OpenCode browser-use CLI with Jev
A preview of browser automation for OpenCode powered by Jev plus its browser-use CLI, framed around speed; the demo video sits in Neriousy's post and dax's root post.
integrationauthor demo
skillbox: skill routing with Jev
skillbox reads the query and returns the relevant agent skills immediately with Jev, instead of agents spending many turns searching for them.
reposource-backed
jev-pruner: trim tool output before the LLM sees it
A Claude Code and Codex CLI plugin that intercepts Bash output above roughly 10K estimated tokens, chunks it and asks Jev which lines are still needed, dropping progress logs and boilerplate.
integrationauthor demo
mcp_jev: local MCP server with Jev packs
A local MCP server that runs Jev "packs" (code audit, PR review, GUI automation) for Cursor, Claude Code and Codex.
integrationauthor demo
Agent Handoff Gate
An experimental protocol where a worker agent sends requirements, code and test results to Jev, which returns an evidence verdict for the team-lead agent before results are accepted.
demoauthor demo
Secret detection test with Jev
A quick credential and secret-detection experiment with Jev; the author reports consistent results across runs.
reposource-backed
Stanley: a Jev-first, self-evolving coding agent
Bounded TypeSafe Jev workflows for coding agents: small-model judgments combined with deterministic workflows so coding work stays bounded, from the author of jev-review.
integrationsource-backed
jev-preflight: a bounded risk check for Claude Code
Born from Claude Code changing an auth check to return true with tests still passing: eight risk axes scored by Jev in one request, with one optional re-inspection before the agent declares done.
integrationsource-backed
pi-jev-guard: check Pi code edits against repo rules
For the Pi coding agent: every code edit is checked by Jev against the repository's Markdown rules (agents.md and friends) so the agent stops ignoring them.
integrationsource-backed
abide: make your coding agent follow project rules
Uses Jev to enforce the project rules linters cannot catch — the judgment calls in a style guide — on a coding agent's output.
integrationsource-backed
pi-jev: Jev-assisted file retrieval and request caching for Pi
Speeds up Pi coding-agent workflows by letting a decision model pick which files matter and cache requests; the author also tried DiffusionGemma in place of Jev and documents the results in VALIDATION.md.
integrationsource-backed
A Jev-based model and effort router for Codex
An autorouter that lets Jev pick both the model and the reasoning effort for each Codex turn — 'I cannot use codex the same anymore'.
integrationsource-backed
hunk-triage: read the important changes first
An extension for bentlegen's hunk that classifies the files in a diff (core, tests, docs…) with Jev and reorders the review so the important changes come first.
demosource-backed
jev-lexer: syntax highlighting with no language knowledge
Split like gpu-lexer, classify every token with Jev, render Shiki-compatible tokens to HTML and ANSI — a language-agnostic highlighter, experimental only.
demoauthor demo
Greptile realtime: a Jev bug checker as you type
A simple real-time bug checker built with Jev for people who still code by hand; it also underlines inaccurate English sentences.
integrationsource-backed
winnow: a calibrated context sieve for Claude Code
Every tool result is judged by a System One model before it enters Claude Code's context, so noise never gets a chance to bloat the window.
integrationsource-backed
Canny: stop coding agents from claiming work is done without evidence
Deterministic hooks decide, Jev advises: an append-only ledger with zero runtime dependencies that blocks an agent's 'done' until there is evidence.
integrationsource-backed
pi-jev (y0usaf): a measured tool-call gate for Pi
Jev as a decision layer for the Pi coding agent: a measured tool-call gate plus a jev_ask tool for typed, calibrated answers; distinct from madeye/pi-jev.
articlecommentary
The Jev + Claude Code stack
An X Article on wiring Jev into a Claude Code workflow for cheaper, faster agents.
articleauthor demo
Jev in front of Grok Build: 22–40% cheaper on the same tasks
An X Article on putting Jev as a gate in front of Grok Build and measuring the cost difference on identical tasks.