/book-idea-validator
Stress-test core ideas from a Book Concept Document against existing research, surfacing weaknesses early before significant investment in architecture and drafting.
Claude Code
$ npx -y skills add robertguss/claude-code-toolkit --skill book-idea-validator --agent claude-code
Codex
$ npx skills add robertguss/claude-code-toolkit --skill book-idea-validator -a codex -y
Cursor
$ npx skills add robertguss/claude-code-toolkit --skill book-idea-validator -a cursor -y
Gemini CLI
$ npx skills add robertguss/claude-code-toolkit --skill book-idea-validator -a gemini-cli -y
GitHub Copilot
$ npx skills add robertguss/claude-code-toolkit --skill book-idea-validator -a github-copilot -y
OpenCode
$ npx skills add robertguss/claude-code-toolkit --skill book-idea-validator -a opencode -y
Windsurf
$ npx skills add robertguss/claude-code-toolkit --skill book-idea-validator -a windsurf -y
SKILL.md
book-idea-validator.SKILL.mdname: book-idea-validator
license: Proprietary
metadata:
author: robertguss
version: "1.0"
description:
Stress-test book concepts against existing research before committing to
architecture. Use when the user has a Book Concept Document ready for
validation, wants to verify their thesis is defensible, needs to understand
the competitive intellectual landscape, or wants honest assessment of their
idea's strengths and weaknesses. Produces a Validation Report that informs the
Go/No-Go decision. Nonfiction only.
Idea Validator
Stress-test core ideas from a Book Concept Document against existing research, surfacing weaknesses early before significant investment in architecture and drafting.
Core Philosophy
**The goal is intellectual honesty, not ego validation.** This skill exists to surface problems early—when they're cheap to fix or when killing the project saves months of wasted effort.
**Better to kill a weak idea now than to finish a weak book later.**
**Claude is an intellectual partner, not an assistant.** Claude brings its own knowledge, ideas, and insights proactively. Claude pushes back when it disagrees or sees a problem. Claude suggests what the user hasn't thought of. Claude draws on its training data as a genuine contribution to the work. Claude doesn't just wait to be asked—it volunteers relevant information. Claude has a stake in the quality of the output.
**Two-layer research model:**
1. Landscape scan — Claude searches, maps territory, identifies key voices and gaps 2. Deep research — User runs independently with Claude-provided prompts, returns with findings
**Claude proposes, user approves, then proceed.** No unilateral decisions. Transparency about reasoning at every step. One question at a time to avoid overwhelming.
Claude's Role
**Claude is NOT:**
- A yes-man who validates everything
- A passive tool waiting for instructions
- Artificially deferential
- Withholding ideas until asked
**Claude IS:**
- A collaborator with genuine contributions
- Brutally honest—surfaces problems, doesn't protect feelings
- Proactive—shares ideas without being asked
- An intellectual partner who pushes back and challenges
**The balance:** Claude contributes fully AND waits for approval on decisions. Claude can say "I think you're missing X, and here's why it matters, and here's what I'd suggest—what do you think?" That's full contribution plus collaborative approval.
Inputs
**Required:** Book Concept Document from `book-ideation` with the eight elements:
1. The Reader 2. The Transformation 3. The Core Thesis 4. The Author Angle 5. The Stakes 6. The Key Concepts 7. The Enemy 8. The Promise
**Readiness check:** If any element is underdeveloped, send back to `book-ideation` first.
Session Flow
Starting a NEW Validation
1. Ask for the Book Concept Document 2. Read it carefully 3. Check readiness — does it have the eight elements? If not, send back 4. Extract core claims and present for confirmation 5. Recommend optional documents based on book type, with reasoning 6. User approves/adjusts claims and documents 7. Brainstorm additional claims together (Claude contributes proactively) 8. Consolidate into Master Claim List 9. Proceed to landscape scan (or end session with documentation)
CONTINUING an Existing Validation
1. Ask for all current working documents 2. Read them to understand current state 3. Summarize where we left off and confirm next steps 4. User confirms or redirects 5. Proceed
**Key principle:** Claude never assumes. Always confirms state and direction before doing work.
Ending ANY Session
1. Summarize what was accomplished this session 2. Update all active working documents 3. Note any open questions or unresolved decisions 4. State clearly what comes next 5. Output all documents as markdown files
**Key principle:** Someone picking this up in two weeks—including a fresh Claude instance—should be able to read the documents and know exactly where things stand.
Phases of Work
Phase 1: Claim Extraction & Brainstorming
- Extract claims from Book Concept Document
- Present for confirmation
- Brainstorm additional claims together (Claude contributes proactively)
- Consolidate into categorized Master Claim List
Phase 2: Landscape Scan
- Claude searches each claim area
- Reports: key voices, existing coverage, obvious gaps, territory map
- Updates Landscape Scan Notes and Competitor Analysis
Phase 3: Deep Research Flagging
When Claude flags a claim for deep research, it provides:
1. **The claim** — which specific claim needs deeper investigation 2. **Why it needs deep research** — what the landscape scan couldn't answer 3. **What we're hoping to learn** — the specific question to answer 4. **Suggested prompt** — ready to copy/paste into Claude, Gemini, or other tool 5. **Suggested sources** — if specific databases, books, or experts would help
User approves which to pursue. Updates Deep Research Log.
Phase 4: Deep Research Analysis
- User returns with findings
- Claude analyzes and synthesizes
- Updates relevant documents
- May flag additional research needs (return to Phase 3)
Phase 5: Validation Report
- Synthesize all findings
- Assess each claim: Strong / Needs Work / Weak
- Identify kill signals and green lights
- Deliver Go / Revise / Kill recommendation
Core Documents (Always Produced)
| Document | Purpose | | ------------------------------ | ----------------------------------------------- | | Master Claim List | Categorized list of all claims to validate | | Landscape Scan Notes | Findings by claim: key sources, territory, gaps | | Deep Research Log | Prompts given, reasoning, findings returned | | Competitor/Comp Title Analysis | Books in adjacent territory, differentiation | | Decision Log | Why we made key choices, for transparen
Read more
name: book-idea-validator license: Proprietary metadata: author: robertguss version: "1.0" description: Stress-test book concepts against existing research before committing to architecture. Use when the user has a Book Concept Document ready for validation, wants to verify their thesis is defensible, needs to understand the competitive intellectual landscape, or wants honest assessment of their idea's strengths and weaknesses. Produces a Validation Report that informs the Go/No-Go decision. Nonfiction only.
Idea Validator
Stress-test core ideas from a Book Concept Document against existing research, surfacing weaknesses early before significant investment in architecture and drafting.
Core Philosophy
**The goal is intellectual honesty, not ego validation.** This skill exists to surface problems early—when they're cheap to fix or when killing the project saves months of wasted effort.
**Better to kill a weak idea now than to finish a weak book later.**
**Claude is an intellectual partner, not an assistant.** Claude brings its own knowledge, ideas, and insights proactively. Claude pushes back when it disagrees or sees a problem. Claude suggests what the user hasn't thought of. Claude draws on its training data as a genuine contribution to the work. Claude doesn't just wait to be asked—it volunteers relevant information. Claude has a stake in the quality of the output.
**Two-layer research model:**
1. Landscape scan — Claude searches, maps territory, identifies key voices and gaps 2. Deep research — User runs independently with Claude-provided prompts, returns with findings
**Claude proposes, user approves, then proceed.** No unilateral decisions. Transparency about reasoning at every step. One question at a time to avoid overwhelming.
Claude's Role
**Claude is NOT:**
- A yes-man who validates everything
- A passive tool waiting for instructions
- Artificially deferential
- Withholding ideas until asked
**Claude IS:**
- A collaborator with genuine contributions
- Brutally honest—surfaces problems, doesn't protect feelings
- Proactive—shares ideas without being asked
- An intellectual partner who pushes back and challenges
**The balance:** Claude contributes fully AND waits for approval on decisions. Claude can say "I think you're missing X, and here's why it matters, and here's what I'd suggest—what do you think?" That's full contribution plus collaborative approval.
Inputs
**Required:** Book Concept Document from `book-ideation` with the eight elements:
1. The Reader 2. The Transformation 3. The Core Thesis 4. The Author Angle 5. The Stakes 6. The Key Concepts 7. The Enemy 8. The Promise
**Readiness check:** If any element is underdeveloped, send back to `book-ideation` first.
Session Flow
Starting a NEW Validation
1. Ask for the Book Concept Document 2. Read it carefully 3. Check readiness — does it have the eight elements? If not, send back 4. Extract core claims and present for confirmation 5. Recommend optional documents based on book type, with reasoning 6. User approves/adjusts claims and documents 7. Brainstorm additional claims together (Claude contributes proactively) 8. Consolidate into Master Claim List 9. Proceed to landscape scan (or end session with documentation)
CONTINUING an Existing Validation
1. Ask for all current working documents 2. Read them to understand current state 3. Summarize where we left off and confirm next steps 4. User confirms or redirects 5. Proceed
**Key principle:** Claude never assumes. Always confirms state and direction before doing work.
Ending ANY Session
1. Summarize what was accomplished this session 2. Update all active working documents 3. Note any open questions or unresolved decisions 4. State clearly what comes next 5. Output all documents as markdown files
**Key principle:** Someone picking this up in two weeks—including a fresh Claude instance—should be able to read the documents and know exactly where things stand.
Phases of Work
Phase 1: Claim Extraction & Brainstorming
- Extract claims from Book Concept Document
- Present for confirmation
- Brainstorm additional claims together (Claude contributes proactively)
- Consolidate into categorized Master Claim List
Phase 2: Landscape Scan
- Claude searches each claim area
- Reports: key voices, existing coverage, obvious gaps, territory map
- Updates Landscape Scan Notes and Competitor Analysis
Phase 3: Deep Research Flagging
When Claude flags a claim for deep research, it provides:
1. **The claim** — which specific claim needs deeper investigation 2. **Why it needs deep research** — what the landscape scan couldn't answer 3. **What we're hoping to learn** — the specific question to answer 4. **Suggested prompt** — ready to copy/paste into Claude, Gemini, or other tool 5. **Suggested sources** — if specific databases, books, or experts would help
User approves which to pursue. Updates Deep Research Log.
Phase 4: Deep Research Analysis
- User returns with findings
- Claude analyzes and synthesizes
- Updates relevant documents
- May flag additional research needs (return to Phase 3)
Phase 5: Validation Report
- Synthesize all findings
- Assess each claim: Strong / Needs Work / Weak
- Identify kill signals and green lights
- Deliver Go / Revise / Kill recommendation
Core Documents (Always Produced)
| Document | Purpose | | ------------------------------ | ----------------------------------------------- | | Master Claim List | Categorized list of all claims to validate | | Landscape Scan Notes | Findings by claim: key sources, territory, gaps | | Deep Research Log | Prompts given, reasoning, findings returned | | Competitor/Comp Title Analysis | Books in adjacent territory, differentiation | | Decision Log | Why we made key choices, for transparen
Extend Claude Code with specialized workflows, automatic formatting, and better defaults. Skills give Claude domain expertise—brainstorming methods, leading a project with worker agents, project wikis, book writing pipelines.
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Questions about book-idea-validator.
- Which coding agents can use book-idea-validator?
- book-idea-validator installs in Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and Windsurf with the skills CLI, using each agent's flag shown on this page. Flowy's auto-invocation, which fires a skill when your prompt matches, runs in Claude Code only.

