Retry control

Decide whether a failed step is worth retrying.

8 rows are filed under this pattern, 8 of them with code. Rows are listed as the catalogue orders them: official first, then rows with code, then by stars.

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Rows marked “not Jev itself” or “shadow mode” stay listed, but they are not examples of deciding with Jev.

1. DuoMind

   Project · ★15 · python · vendor numbers

   OpenAI-compatible local server that pairs a small llama.cpp model with Jev: 18 decision points before, during and after generation (needs reasoning, safety, format, should stop, needs retry) steer the local model. Prompts go to TypeSafe; generation stays local.written by a model

   In the catalogue

2. jev-harness

   Plugin · ★12 · python

   Decision gates for AI coding agents (CLI, MCP server, CI hook; Python, TypeScript and Rust SDKs): offline heuristics first, then optional Jev judgments on whether a failing test log needs the LLM, whether to abort a fix loop, which model tier and reasoning effort to use, and if a step is done.written by a model

   In the catalogue

3. jevswiftsdk

   SDK · ★8 · swift

   Independent, unofficial and dependency-free Swift SDK for the System One API: choice, noul and score questions typed as Swift values, such as a choice over an enum, named batches answered in one call with every answer checked, retries with a policy and cancellation. iOS 15+, macOS 12+ and Linux.written by a model

   In the catalogue

4. Jev by Example

   Project · ★3 · javascript · AI-written

   Ten runnable JavaScript agent decisions, one file each: reconciling a new memory against a stored one, gating whether an HTTP 200 really satisfied the task, retry vs. reconcile after an uncertain write, scoring context against a budget, checking a handoff for dropped prohibitions.

   In the catalogue

5. jev-resilience

   Plugin · ★2 · java · no licence

   Spring Boot starter for WebFlux: methods marked @SemanticCircuitBreaker send each response body to Jev with a noul on whether an HTTP 200 hides an error, a stack trace or a maintenance notice; above the threshold (0.85 in its example) it raises an exception a circuit breaker can count. Fails open.written by a model

   In the catalogue

6. XavierJev

   Jev-like alternative · ★2 · typescript · not Jev itself · AI-written

   A local decision layer in Jev's shape: yes/no, choice and rubric questions read off one token's logprobs from a local model, with a Claude Code permission gate measured on held-out command sets.

   In the catalogue

7. jev-reasoning-navigator

   Project · ★1 · python · no licence

   JEV Reasoning Navigator: Cognitive supervision, loop prevention, and anti-hallucination engine for autonomous LLM agents using TypeSafe AI

   In the catalogue

8. harnessjudge

   Project · ★0 · typescript · no licence · one commit

   Web app for agent builders: paste the trace of one agent step and Jev judges it as ok, retry, escalate or stop. Without a TYPESAFE_API_KEY, local heuristics return answers of the same shape, labelled as demo mode.written by a model

   In the catalogue