Projects
Built with Jev.
A curated collection of community tools and experiments that call TypeSafe's Jev. Each entry is checked against its own repository, not reproduced from a list — search by name, description, or creator, or filter by category.
Project discovery informed by Awesome Jev. Descriptions checked against original repositories. Listing is not an endorsement or a partnership; each project keeps its own license, and its creator is credited above.
15 of 15 projects
- Jev Reviewby devagrawal09Coding agents
Runs a staged pipeline of Jev judgments over a git diff or a whole codebase and reports findings in a local dashboard, keeping every threshold in code.
- Platform
- TypeScript (Node.js)
- Reviewed
- Documentation reviewed · Sep 20, 2026
Node.js 24+, Git, a TypeSafe API key.
- Foremanby thruwireCoding agents
Watches a Codex coding session in a second loop, asking Jev nine yes/no and progress questions in parallel to decide whether to let a worker continue, steer it, or stop.
- Platform
- Python
- Reviewed
- Documentation reviewed · Sep 20, 2026
Python 3.12+, the Codex CLI installed and authenticated, a TypeSafe API key.
- jev-commitby valentynkitCoding agents
A pre-commit hook that asks Jev five questions about a commit message against its staged diff in one call, and blocks only when it detects a written-out credential.
- Platform
- Python (pre-commit hook)
- Reviewed
- Documentation reviewed · Sep 20, 2026
The pre-commit framework, a TypeSafe API key.
- fast-jev-compactionby tamaratranContext and compaction
Replaces Claude Code's default compaction summary by having Jev judge, call by call, which tool calls and results still matter, keeping everything it retains verbatim.
- Platform
- TypeScript (npm package and Claude Code plugin)
- Reviewed
- Documentation reviewed · Sep 20, 2026
Node.js, a TypeSafe API key. Usable as a plugin or as a standalone npm library.
- winnowby GhalebDweikatContext and compaction
Hides Claude Code tool output that Jev judges irrelevant to the current task behind a short stub, caching the full text so it can be recalled on demand.
- Platform
- Python
- Reviewed
- Documentation reviewed · Sep 20, 2026
Python 3.10+, uv, Claude Code 2.1.260+ with function hooks enabled (an early-access Claude Code feature).
- n8n-nodes-typesafe-jevby n3ndorAutomation and integrations
A community n8n node that sends workflow state to Jev and returns typed Choice, Noul, or Score answers, simplified into plain values for a Switch or Filter node.
- Platform
- TypeScript (n8n community node)
- Reviewed
- Documentation reviewed · Sep 20, 2026
An n8n instance with community nodes enabled, a TypeSafe API key.
- HA-Jevby AboveColinAutomation and integrations
Turns Jev questions about Home Assistant entities into sensors and automation actions, with a daily token budget and per-day spend reporting.
- Platform
- Python (Home Assistant custom integration)
- Reviewed
- Documentation reviewed · Sep 20, 2026
Home Assistant 2026.9+, added as a custom HACS repository (not yet in the default HACS list), a TypeSafe API key.
- jev-benchmarksby AbdelStarkEvaluation
An independent, reproducible study comparing Jev's accuracy and probability calibration against an open zero-shot classifier on fixed public datasets.
- Platform
- Python
- Reviewed
- Documentation reviewed · Sep 20, 2026
Python 3.11–3.13, uv. Results and protocol are published in the repository.
- jev-evalby 4esvEvaluation
Benchmarks Jev against any OpenRouter model on labelled classification data for accuracy, calibration, latency, and cost, and ships its own three-task results.
- Platform
- Python
- Reviewed
- Documentation reviewed · Sep 20, 2026
Python (uv), a TypeSafe API key and an OpenRouter API key. No LICENSE file at review time.
- TypeSafe Marioby fhshaikGames and demos
Lets Jev choose NES controller inputs for Super Mario Bros. from structured emulator telemetry rather than screenshots, with a small fixed action set.
- Platform
- Python
- Reviewed
- Documentation reviewed · Sep 20, 2026
Python 3.13+, a TypeSafe API key, and your own legally obtained NES ROM and emulator (none are provided by the repository).
- jev plays snakeby sorryccGames and demos
Jev picks one legal Snake move per tick from code-computed facts like food distance and reachable cells, falling back to a straight line if the answer misses the deadline.
- Platform
- TypeScript
- Reviewed
- Documentation reviewed · Sep 20, 2026
Node.js, pnpm, a TypeSafe API key (kept server-side in a small proxy). No LICENSE file at review time.
- Jev MCPby jkudishSDKs and developer tools
Exposes ten Jev-backed judgment tools over MCP — verify, screen, rerank, classify, gate, and more — for agents that need a typed probability instead of parsed prose.
- Platform
- TypeScript (Node.js, npx)
- Reviewed
- Documentation reviewed · Sep 20, 2026
Node.js 20+, a TypeSafe API key. The README calls this early software.
- Typesafe MCPby itsmostafaSDKs and developer tools
A Go-built MCP server and CLI that registers Jev with Claude Code, Claude Desktop, Codex, or pi in one command, and can route through TypeSafe or OpenRouter.
- Platform
- Go
- Reviewed
- Documentation reviewed · Sep 20, 2026
macOS or Linux (amd64/arm64), or a Go toolchain; a TypeSafe or OpenRouter API key.
- pg-jevby realZachiSDKs and developer tools
A PostgreSQL extension that lets plain-language conditions filter, rank, and classify table rows by sending batches to Jev, with no embeddings or vector column.
- Platform
- PostgreSQL extension (C and PL/Python)
- Reviewed
- Documentation reviewed · Sep 20, 2026
PostgreSQL 14–17 with plpython3u and a superuser role; not available on most managed hosts (Supabase, Neon, RDS). Licensed under the PostgreSQL License per the repository.
- TypeSafe SDK for Javaby Premo-CloudSDKs and developer tools
A community Java client mirroring the official Python and JavaScript SDKs, with a fluent builder for typed questions and an optional Spring Boot starter.
- Platform
- Java
- Reviewed
- Documentation reviewed · Sep 20, 2026
Java 17+. Depends only on Jackson; the Spring Boot starter is a separate artifact.
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