# Jev Judge: Hermes Agent plugin

> TypeSafe Jev as a judgment layer — a pre-tool gate (shadow by default, enforce escalates) on terminal, write_file and patch asking destructive / exfiltration / impact (a v2 signal set — reads_secrets × sends_outbound…

Canonical: https://hermeswatcher.com/plugins/jev-judge  
Tier: Community  
Official page (Nous Research): https://hermes-agent.nousresearch.com/docs/plugins/jev-judge  
Last updated in catalog: 2026-09-26

TypeSafe Jev as a judgment layer — a pre-tool gate (shadow by default, enforce escalates) on terminal, write_file and patch asking destructive / exfiltration / impact (a v2 signal set — reads_secrets × sends_outbound, blast_radius, self_advocating — is one setting away), plus a jev_ask tool for typed judgments. Thresholds in code, one JSONL line per decision with the fail-open reason, fail-open on every error path. Stdlib only, no Node; no redirects, proxy env ignored, payload capped; works with TYPESAFE_API_KEY, OPENROUTER_API_KEY, or AI_GATEWAY_API_KEY.

## Good to know before installing

Each judged call sends the tool name and its redacted arguments (≤600 chars each, ≤12 args) to TypeSafe, OpenRouter, or your configured gateway, using your key; shadow mode only logs. With the default backend auto, OPENROUTER_API_KEY is used automatically whenever it is present and TYPESAFE_API_KEY is not, so tool names and redacted arguments go to openrouter.ai on your main-model OpenRouter key unless backend is set to typesafe or gateway.

From the plugin's catalog listing.

## How to install

1. Install it. Hermes asks for any API keys it needs, then asks whether to turn it on.

```bash
hermes plugins install jev-judge
```

2. Said no? Turn it on later:

```bash
hermes plugins enable jev-judge
```

3. Restart Hermes so it loads the plugin.

Some plugins also need a sign-in or settings: see the official page. Memory plugins ask whether to become your memory provider instead. Steps follow the official plugins guide: https://hermes-agent.nousresearch.com/docs/user-guide/features/plugins

## Facts

- Category: Coding & developer tools
- Maintained by: DoGMaTiiC (Community)
- Needs: No API keys declared
- Adds tools: `jev_ask`
- Version: 0.1.0
- In the catalog since: 2026-09-23, updated 2026-09-26

## Links

- [Full setup and settings (official page)](https://hermes-agent.nousresearch.com/docs/plugins/jev-judge)
- [Source code](https://github.com/DoGMaTiiC/hermes-jev/blob/main/plugins/jev-judge/README.md)
- [All plugins](https://hermeswatcher.com/plugins.md)

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