auto-tuning

auto-tuning is a skill for Claude Code, Codex from sillyDaibo/reasflow-dev. It costs 22 tokens per session (824 once invoked), scanned A, original, MIT.

A reproducible search for good hyperparameter settings using Optuna, a library that tests parameter choices for experiments.

In plain words
What is it for?
Use it when experiment code provides an objective function and you need to compare settings such as learning rates or model options.
Why use it?
It replaces guesswork with a bounded search and keeps a record of the results.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Codex.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is if [ -d ./.agents/skills ]; then.

Good fit Use it when experiment code provides an objective function and you need to compare settings such as learning rates or model options.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/sillyDaibo/reasflow-dev
agentmods
npx agentmods add skills/sillydaibo/reasflow-dev/auto-tuning

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for auto-tuning

README.md
[![agentmods](https://agentmods.dev/badge/skills/sillydaibo/reasflow-dev/auto-tuning/github.svg)](https://agentmods.dev/skills/sillydaibo/reasflow-dev/auto-tuning)
Your own site
<a href="https://agentmods.dev/skills/sillydaibo/reasflow-dev/auto-tuning"><img src="https://agentmods.dev/badge/skills/sillydaibo/reasflow-dev/auto-tuning/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for auto-tuning

Your own site · 80×15
<a href="https://agentmods.dev/skills/sillydaibo/reasflow-dev/auto-tuning"><img src="https://agentmods.dev/badge/skills/sillydaibo/reasflow-dev/auto-tuning.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 22 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 824 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00022 $0.00824
Opus 5.5 $0.00009 $0.00330
Sonnet 5.5 $0.00004 $0.00165
Haiku 4.5 $0.00002 $0.00082

Measured 1mo ago against content hash 52fedf8e8152, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

auto-tuning scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/optuna-search.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/reasflow/experiment/auto-tuning/SKILL.md · 95 lines

How it starts

The opening of the file, as written. The whole thing — 95 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Installed Root

Resolve the installed reasflow-dev skills root before running packaged scripts:

REASFLOW_SKILLS_ROOT="${REASFLOW_SKILLS_ROOT:-}"
if [ -z "$REASFLOW_SKILLS_ROOT" ]; then
  if [ -d ./.agents/skills ]; then
    REASFLOW_SKILLS_ROOT="$(pwd)/.agents/skills"
  elif [ -d "$HOME/.agents/skills" ]; then
    REASFLOW_SKILLS_ROOT="$HOME/.agents/skills"
  else
    echo "reasflow shared skills not found in ./.agents/skills or $HOME/.agents/skills" >&2
    exit 1
  fi
fi

REASFLOW_PRIVATE_SKILLS_ROOT="${REASFLOW_PRIVATE_SKILLS_ROOT:-}"
if [ -z "$REASFLOW_PRIVATE_SKILLS_ROOT" ]; then
  if [ -d ./.codex/reasflow-skills ]; then
    REASFLOW_PRIVATE_SKILLS_ROOT="$(pwd)/.codex/reasflow-skills"
  elif [ -d "$HOME/.codex/reasflow-skills" ]; then
    REASFLOW_PRIVATE_SKILLS_ROOT="$HOME/.codex/reasflow-skills"
  else
    echo "reasflow private skills not found in ./.codex/reasflow-skills or $HOME/.codex/reasflow-skills" >&2
    exit 1
  fi
fi

Auto Tuning

Overview

This skill replaces the old prompt-only tuning advice with an actual Optuna-backed CLI. Use it when Experiment needs a bounded parameter search and the experiment code exposes a callable objective function.

Requirements

  • A workspace-local Python environment, preferably Alg_Exp/.venv/
  • optuna installed there
  • An experiment module that defines a function like:
def objective_for_tuning(params: dict[str, float]) -> float:
    result = run_experiment_with_params(params)
    return result["validation_loss"]

If optuna is missing, create or fix the environment with uv:

uv venv Alg_Exp/.venv
Alg_Exp/.venv/bin/pip install optuna numpy scipy pandas

Helper Script

Set SKILL_ROOT="$REASFLOW_PRIVATE_SKILLS_ROOT/experiment/auto-tuning". Run:

Alg_Exp/.venv/bin/python "$SKILL_ROOT/scripts/optuna-search.py" \
  --experiment-file Alg_Exp/code/tuning_experiment.py \
  --objective-function objective_for_tuning \
  --param-space-file Alg_Exp/document/param_space.json \
  --direction minimize \
  --trials 50 \
  --output Alg_Exp/data/tuning_history.json

Read the full file on GitHub · 95 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 95 lines · 22 tokens per session scan A 52fedf8e8152

Subscribe to this mod's changes

auto-tuning is a skill published in the GitHub repository sillyDaibo/reasflow-dev (2 stars, last pushed 1mo ago), licensed MIT. It adds 22 tokens to every session and 824 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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