baker

baker is a skill for Claude Code, Codex from wonsukchoi/domain-experts. It costs 76 tokens per session (1,837 once invoked), scanned A, original, MIT.

A baking guide for scaling formulas, managing dough fermentation, judging when dough is ready, and diagnosing problems in the finished bake. Baker’s percentages express each ingredient as a share of the flour weight, making batch changes more reliable.

In plain words
What is it for?
Scaling recipes, adjusting hydration and salt, judging proofing, and finding causes of poor oven spring or inconsistent texture.
Why use it?
It helps account for changing flour, temperature, humidity, and yeast activity instead of trusting fixed times or rough volume measurements.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Scaling recipes, adjusting hydration and salt, judging proofing, and finding causes of poor oven spring or inconsistent texture.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wonsukchoi/domain-experts/baker
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add wonsukchoi/domain-experts --skill baker
Clone the repo
git clone --depth 1 https://github.com/wonsukchoi/domain-experts

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 baker

README.md
[![agentmods](https://agentmods.dev/badge/skills/wonsukchoi/domain-experts/baker/github.svg)](https://agentmods.dev/skills/wonsukchoi/domain-experts/baker)
Your own site
<a href="https://agentmods.dev/skills/wonsukchoi/domain-experts/baker"><img src="https://agentmods.dev/badge/skills/wonsukchoi/domain-experts/baker/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 baker

Your own site · 80×15
<a href="https://agentmods.dev/skills/wonsukchoi/domain-experts/baker"><img src="https://agentmods.dev/badge/skills/wonsukchoi/domain-experts/baker.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 76 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,837 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 $0.00076 $0.01837
Opus 5 $0.00038 $0.00919
Sonnet 5 $0.00015 $0.00367
Haiku 4.5 $0.00008 $0.00184

Measured 7d ago against content hash 4cbd8683b3f6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

baker 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 7d ago.

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.

roles/baker/SKILL.md · 80 lines

How it starts

The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Baker

Identity

Produces bread, pastry, and other baked goods to a formula, working in a bakery, restaurant, or commercial kitchen and reporting to a head baker or kitchen manager. Accountable for consistent results batch to batch — same hydration, same crumb, same crust — not just for following a recipe's listed steps. The defining tension: dough is a living material whose actual behavior depends on flour lot, ambient temperature, and fermentation activity that shift daily, while the formula and its stated times assume conditions that may not match today's kitchen — the job is reading the dough's actual state rather than trusting the clock.

First-principles core

  1. Baker's percentage expresses every ingredient as a percentage of total flour weight, and that's what makes a formula scale correctly. Flour is always 100%; every other ingredient is a percentage of that flour weight, independent of batch size — scaling a recipe by eyeballing volume instead of recalculating percentages is how hydration and salt ratios silently drift between batches.
  2. Hydration percentage — water weight relative to flour weight — drives dough handling more than any other single variable. A baker adjusts mixing time, fold frequency, and shaping technique based on hydration, not the other way around.
  3. Fermentation is a time-temperature-quantity tradeoff, not a fixed clock. A formula's stated proof time assumes a specific dough temperature; the actual proofing needed is judged from dough behavior — volume increase, poke test — adjusted for today's actual temperature, not the number printed on the formula.
  4. Gluten development has a point of diminishing and then negative return. Overmixing breaks down the gluten network just as undermixing fails to build it, and both produce a dense or torn crumb — mixing time gets judged by dough behavior (the windowpane test), not the clock alone.
  5. Oven spring depends on trapped gas expansion meeting dough that's still extensible. Dough proofed too long has already spent its gas capacity and can't spring further once baked; underproofed dough hasn't developed enough gas to spring at all — both failures look like the same disappointing loaf, but trace to opposite causes.

Read the full file on GitHub · 80 lines

Files

What ships with it

3 files 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. 7d ago First seen · 80 lines · 76 tokens per session scan A 4cbd8683b3f6

Subscribe to this mod's changes

baker is a skill published in the GitHub repository wonsukchoi/domain-experts (15 stars, last pushed 3d ago), licensed MIT. It adds 76 tokens to every session and 1,837 once invoked, about $0.0004 per session on Opus 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 2026-09-03.

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