Is the Ebook Concept Development skill free?

Yes. The skill itself is free from robertguss/claude-code-toolkit. SkillProof publishes the install command and an independent test verdict at no cost.

What is the Ebook Concept Development SkillProof Score?

9.2/10 — installs cleanly 5/5, triggers reliably 5/5, output vs. baseline 8/10, docs & honesty 5/5.

How do I install Ebook Concept Development?

Copy the install command from this page, run it in your terminal, and restart Claude Code. Skills live in ~/.claude/skills/ (global) or .claude/skills/ inside a project.

Can I use Ebook Concept Development with Cursor, Copilot, Gemini CLI, Codex or other AI tools?

The SKILL.md format is native to Claude (Claude Code, Desktop, claude.ai). The instructions inside adapt to other assistants: Cursor rules, GitHub Copilot instructions, Windsurf rules, Custom GPTs, AGENTS.md for OpenAI Codex, and GEMINI.md for Google Gemini CLI — our conversion guides cover each, and the free converter on the tools page does the wrapping for you.

Ebook Concept Development

Turns a raw ebook idea into a validated concept doc through one-question-at-a-time interrogation.

by robertguss · robertguss/claude-code-toolkit

Tested · Works

Install — copy the command Download source ↗

Test report

Verdict: Tested · Works
Score: 9.2/10
Tested: Jul 13, 2026
Environment: Claude Code 2.x (agent harness)
Upstream re-checked: Aug 10, 2026 · c2c6322

Ran a real newsletter-repurpose idea through it: instead of dumping a 6-chapter outline like a baseline reply would, it named the missing 'reader specificity' and flagged the newsletter as a Value Gap signal, then asked exactly one question — the failure mode it's designed to prevent, actually prevented.

Scored on four weighted criteria — install, triggering, output vs. baseline, docs. How scoring works

Installs cleanly 5/5
Triggers reliably 5/5
Output vs. baseline 8/10
Docs & honesty 5/5

What Ebook Concept Development does

Develops a single ebook idea (blog repurpose, book excerpt, or fresh concept) into a structured Ebook Concept Document covering reader, transformation, promise, content source, and scope. Triggers when the user already has an ebook idea and wants it pressure-tested before moving to architecture/outlining, part of a multi-skill Ebook Factory pipeline.

How to install Ebook Concept Development

git clone https://github.com/robertguss/claude-code-toolkit
cd claude-code-toolkit
mkdir -p ~/.claude/skills
cp -r skills/ebook-factory/ebook-concept-development ~/.claude/skills/ebook-concept-development

Skills live in ~/.claude/skills/ (global) or .claude/skills/ (per-project). Restart Claude Code after installing.

Commands — how to trigger Ebook Concept Development

/ebook-concept-development Turns a raw ebook idea into a validated concept doc through one-question-at-a-time interrogation.

It also activates on plain-language prompts like these:

Pressure-test my ebook idea before I outline it
Turn my newsletter into a validated ebook concept
Develop this book idea into a concept document

Frequently asked questions

Is the Ebook Concept Development skill free?: Yes. The skill itself is free from robertguss/claude-code-toolkit. SkillProof publishes the install command and an independent test verdict at no cost.
Does Ebook Concept Development work with Claude Code?: We tested it with Claude Code 2.x (agent harness) on Jul 13, 2026. Verdict: Tested · Works. Ran a real newsletter-repurpose idea through it: instead of dumping a 6-chapter outline like a baseline reply would, it named the missing 'reader specificity' and flagged the newsletter as a Value Gap signal, then asked exactly one question — the failure mode it's designed to prevent, actually prevented.
What is the Ebook Concept Development SkillProof Score?: 9.2/10 — installs cleanly 5/5, triggers reliably 5/5, output vs. baseline 8/10, docs & honesty 5/5.
How do I install Ebook Concept Development?: Copy the install command from this page, run it in your terminal, and restart Claude Code. Skills live in ~/.claude/skills/ (global) or .claude/skills/ inside a project.
Can I use Ebook Concept Development with Cursor, Copilot, Gemini CLI, Codex or other AI tools?: The SKILL.md format is native to Claude (Claude Code, Desktop, claude.ai). The instructions inside adapt to other assistants: Cursor rules, GitHub Copilot instructions, Windsurf rules, Custom GPTs, AGENTS.md for OpenAI Codex, and GEMINI.md for Google Gemini CLI — our conversion guides cover each, and the free converter on the tools page does the wrapping for you.