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modelrudder

cybrking/modelrudder

Advisory local model router for Codex CLI and Claude Code, powered by TypeSafe Jev.

Automated README summary

Automatically summarized from the README on 27 Oct 2026; not a run by jevbooks. Run instructions and author-reported outcomes still need verification.

What it is

An experimental macOS-only preview tool for developers using OpenAI Codex CLI or Claude Code. It suggests when a different model may fit the current task, but leaves model, effort, tools, approvals and login under the native tool's control.

How it uses Jev

Jev classifies the supplied task text to produce a model recommendation. In Codex, a native UserPromptSubmit hook or explicit `recommend` command shows a short note; Claude uses only `smart-claude recommend --current-model MODEL -- "TASK"`. The note is advisory; the user decides whether to switch.

Primitives:choice

Technique worth stealing

Advisory-only routing: emit a suggestion note instead of rewriting the model, keeping native tool control and trust intact.

Try it

Run `smart-codex` or `smart-claude`, or `smart-codex recommend --current-model MODEL -- "TASK"`.

View on GitHub

Start using Jev: API key and your first request →

Model judgments from README excerpts

Project signals use repository metadata, an existing summary and the first 700 README characters, not the full project. “Not found” means not detected in that material; it does not establish absence. These are the original judgments with recorded models and dates, not source audits or run results.

Models & evaluation dates

Inclusion gate
jev-1.14.0
Project signals
jev-1.14.0
Category
jev-1.14.0
Pattern tags
jev-1.14.0

Evidence

These signals use repository metadata, an existing summary and at most 700 cleaned README characters. ≥ 0.60 means reported in that excerpt; ≤ 0.40 means not found there. The middle band is inconclusive. None is a source-code audit or a test result. The runnable-tool question excludes research experiments; the recommendation question asks for a learning shortlist, not a quality verdict.

  • Jev is core to the projectFound in material0.66
  • Shows a System One patternnot found in the excerpt0.24
  • Describes handling uncertaintynot found in the excerpt0.06
  • Reports measured numbersnot found in the excerpt0.02
  • Is a runnable toolFound in material0.91
  • Top-10 learning shortlist signalnot found in the excerpt0.08
  • Is a replica of the modelnot found in the excerpt0.10
  • Solves a common problem (0–2)score on a 0–2 scale1.11 / 2
  • About JevFound in material0.94
Signals
Jev is core to the project0.66Shows a System One pattern0.24Describes handling uncertainty0.06Reports measured numbers0.02Is a runnable tool0.91Top-10 learning shortlist signal0.08Is a replica of the model0.1000.51Solves a common problem (0–2)1.11 / 2012

no-judgment band (0.40–0.60)

Design patterns
Viewfinder0.96Fail open, fail closed0.94Thermostat0.2100.51

no-judgment band (0.40–0.60)

The Jev model and date for each judgment stage are listed above. Card written by DeepSeek V4.1 Flash from the README on 27 Oct 2026.