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Practical guide to using TypeSafe Jev with Herdr and Claude, Codex, Hermes, and browser agents.
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Jev + Herdr: Practical AI Agent Orchestration
A public guide to orchestrating coding agents with TypeSafe Jev and Herdr: Jev routes tasks and scores risk, coordinator code owns policy and thresholds, Herdr runs workspaces, and agents execute bounded tasks.
- Stars
- 3
- Language
- TypeScript
- License
- MIT
- Reading time
- 3 min
- Published by
- Community
- Author
- sherajdev
- Last verified
- Oct 2026
- Languages
- TypeScript
- Platforms
- API
- Capabilities
- Open source
Highlights
- A state snapshot feeds Jev route, risk, readiness and approval judgments, then coordinator policy checks, then a Herdr prompt to Claude, Codex or Hermes.
- Jev recommends, code decides, Herdr runs the work, agents execute bounded tasks: the guide's split of responsibilities.
- Answers stay constrained to an allowlist: Jev may select a worker name or operation but must never become shell text or merge authorization.
- Question types are Choice (which worker), Score (read-only to destructive) and Noul (human approval?), with thresholds owned by your application.
- Includes a small Jev routing prototype and a review of a browser worker built with Jev; the patterns target workstations, shared servers and CI.
Watch out
Copy reviewed against the truncated repo README on 2026-10-15; the excerpt cuts off at the end of the TypeSafe skill section. The architecture is the author's recommended pattern, not an official TypeSafe or Herdr design, and the repo is a guide with a small prototype.
Questions about this entry
Short answers drawn from the linked project or page.
It explains a reusable architecture for using TypeSafe Jev with Herdr and coding agents such as Claude, Codex and Hermes. It ships a small Jev routing prototype and reviews a browser worker built with Jev.
Jev is the triage desk: it makes small typed judgments about text and application state — route a task, score risk, select evidence, or decide whether more context is needed — and recommends rather than acts. A request sends one state and one or more questions.
Herdr is the office manager: it manages workspaces, tabs, panes, processes and recognized coding agents, keeping each worker in a separate terminal space and reporting whether it is idle, working, blocked or done. Agents then investigate, edit, test and review.
Three: Choice to select one option such as claude, codex, hermes, deterministic or human; Score to rate a dimension like read-only, reversible, risky or destructive; and Noul to estimate whether a condition holds, such as requiring human approval.
Keep answers constrained to an allowlist, the guide says: a Jev answer may select a worker name or operation but must never become arbitrary shell text, a selector, a deployment command or merge authorization. Coordinator code owns policy, retries and irreversible actions.
It is a guide plus a small Jev routing prototype, with the README noting the server that inspired the research is one example implementation. It also describes the TypeSafe skill, an integration guide for coding assistants rather than a daemon.
An integration guide that gives a coding assistant a disciplined way to design TypeSafe workflows: read the current documentation first, treat Jev as a typed decision component rather than a chat agent, and keep workflow logic, permissions and execution in ordinary code.
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