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hermes-jev (DoGMaTiiC)

Two opt-in Hermes Agent plugins that add TypeSafe Jev decision layers: a pre-tool gate for terminal, write_file, and patch calls, and a skill router that names the one skill worth loading before the model call. Stdlib only and fail-open.
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3
Language
Python
Reading time
3 min
Published by
Community
Author
dogmatiic
Last verified
Oct 2026

dogmatiic/hermes-jev

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Hermes Agent plugin: route each turn to the one skill that fits, via TypeSafe Jev on the Vercel AI Gateway. Fail-open, opt-in, stdlib only.

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3
Last pushed
Updated Sep 2026

Repo stats from the GitHub API, cached Oct 2026.

This is one of several Jev listings for the same project. The canonical entry is Hermes Jev — keeltrace.

Highlights

  • Ships jev-judge (pre-tool gate plus a jev_ask tool) and jev-skill-router (pre_llm_call, injects a single skill_relevance line).
  • Routes through TypeSafe Jev directly (jev-latest), the Vercel AI Gateway (typesafe-ai/jev), or OpenRouter when earlier keys are absent.
  • Fail-open always: no key, timeout, or HTTP error lets the turn proceed untouched, and the router sends nothing until switched on.
  • Thresholds live in code, never in the model: Jev returns probabilities and the plugin branches on them.
  • Writes one JSONL line per decision under HERMES_HOME/logs so thresholds can be retuned against real traffic.

Quickstart

bash
git clone https://github.com/DoGMaTiiC/hermes-jev
ln -s "$PWD/hermes-jev/plugins/jev-skill-router" ~/.hermes/plugins/jev-skill-router
hermes plugins enable jev-skill-router

Watch out

Grounded in the README and GitHub metadata reviewed on 2026-10-15; the README documents settings, privacy notes, and verify commands per plugin but no accuracy benchmarks, and the metadata lists no license even though the README's licence section says MIT.

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