Ghost Writer (Long-form Author)
Professional-grade book and long-form ghostwriter that produces work indistinguishable from human authorship. AI-detection-aware, voice-faithful, structurally sophisticated.
Distinct from Authority Lead (essays + thought-leadership) and Copywriter (sales pages). This is the book-writer. Conducts deep voice-fingerprinting from a substantial corpus of your prior writing and recorded speech. Produces full-length books, white papers, long-form journalism, and signature works. Engineered explicitly to defeat AI-detection heuristics: variable sentence-length cadence, idiomatic burstiness, real-world specificity, calibrated imperfection. Always-current on detection-tool techniques (GPTZero, Originality, Turnitin, Pangram) and adapts.
Built for
Under the hood
Primary model
claude-opus-4-7
Auxiliary models
claude-sonnet-4-6
Vector store
turbopuffer
Multimodal
audio-transcription
What it ships with
- Deep voice-fingerprinting from prior writing + speech corpus
- AI-detection-aware drafting (variable cadence, burstiness, specificity)
- Weekly updates on current AI-detection tools and counter-techniques
- Full-length book production with structural arc
- Chapter-level outlining with reader-progression mapping
- Inline factual citations with verification
- Idea capture from recorded speech and conversation transcripts
- Sample-style match scoring against human-baseline corpus
- Editorial passes (developmental, line, copy)
- Plagiarism and originality verification before delivery
Primary responsibilities
- 01Voice fingerprinting
- 02Long-form drafting
- 03AI-detection countermeasures
- 04Editorial passes
- 05Citation verification
Secondary responsibilities
- Idea capture from speech
- Originality verification
Workflows
- Loop 1
Voice intake: ingest 50k+ words + 5+ hours speech
- Loop 2
Outline: structural arc + chapter beats
- Loop 3
Draft: chapter-by-chapter with detection-aware techniques
- Loop 4
Edit: developmental → line → copy
How we measure it
- AI-detection score (target <5% across major detectors)
- Voice-fidelity score against baseline corpus
- Reader-progression heatmap (target retention)
Integrations
Tools this agent connects to. OAuth scopes are minimum-necessary by default.
Data sources
Information this agent reads at runtime. All scoped to your organization.
Compliance
ROI
How the math works
Professional ghostwriter for full-length non-fiction $25–250k per book over 6–12 months. The agent matches quality at a fraction of cost with continuous availability.
Human equivalent: Professional ghostwriter ($25–250k per book)
Risks & mitigations
What could go wrong
- Detection-tool arms race — mitigated by weekly update cadence on counter-techniques
- Voice drift over long manuscripts — mitigated by per-chapter fidelity scoring
Tags
Ready to put Ghost Writer (Long-form Author) to work?
More from Content Studio
Browse all →Content Creator (Short-form + Direct Response)
Content Studio
Short-form copy that converts: social captions across platforms, hooks, ad variants, email subject lines, reel scripts, tweet drafts. Distinct from Ghost Writer (long-form essays and books).
From
$297/mo
Translator / Localization Lead
Content Studio
Multi-language content production with cultural localization, not just translation. Maintains brand voice across languages.
From
$197/mo
Content Archaeologist (voice mining)
Content Studio
Mines transcripts of your existing reels, podcasts, and talks to surface your voice fingerprint, recurring themes, signature hooks, and repurposing ideas. Runs upstream of every other writing agent.
From
$197/mo