craft-extraction

craft-extraction is a skill for Claude Code, Codex from Wondermonger-daydreaming/claude-skills-library. It costs 180 tokens per session (1,313 once invoked), scanned A, original, MIT.

A close-reading method that turns specific writing techniques into general lessons other writers can use.

In plain words
What is it for?
Use it to study a passage, identify its craft choices, and create practical writing principles supported by examples.
Why use it?
It bridges the gap between noticing what a passage does and knowing how to apply the same technique in new work.

Skill for Claude CodeCodex

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

Good fit Use it to study a passage, identify its craft choices, and create practical writing principles supported by examples.

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Install with agentmods
npx agentmods add skills/wondermonger-daydreaming/claude-skills-library/craft-extraction
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 Wondermonger-daydreaming/claude-skills-library --skill craft-extraction
Clone the repo
git clone --depth 1 https://github.com/Wondermonger-daydreaming/claude-skills-library

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 craft-extraction

README.md
[![agentmods](https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/craft-extraction/github.svg)](https://agentmods.dev/skills/wondermonger-daydreaming/claude-skills-library/craft-extraction)
Your own site
<a href="https://agentmods.dev/skills/wondermonger-daydreaming/claude-skills-library/craft-extraction"><img src="https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/craft-extraction/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 craft-extraction

Your own site · 80×15
<a href="https://agentmods.dev/skills/wondermonger-daydreaming/claude-skills-library/craft-extraction"><img src="https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/craft-extraction.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 180 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,313 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 $0.00180 $0.01313
Opus 5.5 $0.00072 $0.00525
Sonnet 5.5 $0.00036 $0.00263
Haiku 4.5 $0.00018 $0.00131

Measured 1mo ago against content hash 7a8b72353332, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

craft-extraction 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.

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/craft-extraction/SKILL.md · 103 lines

How it starts

The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/craft-extraction — The Transferable Principle

Origin

This skill emerged from a session that kept performing a double operation: first, close reading a Tolkien passage at the level of phoneme and punctuation; then, stepping back to ask "what can any writer learn from this?" The close reading was centripetal — moving toward the text's center. The extraction was centrifugal — moving outward toward general applicability. They're different cognitive operations. Both are essential. This skill formalizes the second.

The session produced: seven principles for writing quiet exits (from the rustle simile), craft lessons on camera angles in fiction (from the garden and fireworks passages), principles of proportional attention and anaphora-as-trellis. Each set of principles was grounded in specific textual evidence and formulated as actionable method.


Core Function

Take the findings of close reading and formalize them into transferable craft principles that a writer could apply to their own work.

The output should feel like the best kind of workshop handout: concrete, actionable, illustrated by the passage that generated it, but applicable well beyond that passage. Not "here's what Tolkien does" but "here's what you can do, learned from watching Tolkien do it."


The Process

1. Start from Specifics

Every principle must be grounded in a specific observation from the text. No principle without provenance. If you can't point to the sentence that taught you this, the principle isn't ready yet.

Wrong: "Use sensory details to create atmosphere." Right: "Make the simile quieter than the event. Tolkien compares a person leaving to wind in grass — the figure is smaller than the literal, which inverts the usual aggrandizing function of simile. Craft principle: when writing a quiet exit, compare it downward."

2. Formulate as Method, Not Description

The principle should tell the writer what to do, not just what the admired writer did.

Read the full file on GitHub · 103 lines

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 · 103 lines · 180 tokens per session scan A 7a8b72353332

Subscribe to this mod's changes

craft-extraction is a skill published in the GitHub repository Wondermonger-daydreaming/claude-skills-library (7 stars, last pushed 18d ago), licensed MIT. It adds 180 tokens to every session and 1,313 once invoked, about $0.0007 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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