This lesson sets up a Claude Projects system for content creation: a brand voice document built from your own writing samples, five copy-paste prompts for newsletters, LinkedIn posts, Twitter threads, blog outlines and email sequences, plus a 3-pass draft-and-polish workflow that cuts writing time from about 60 minutes to 20 minutes per piece.
What you will be able to do
- Build a brand voice document in Claude Projects by uploading 3-5 samples of your best writing and running the extraction prompt.
- Generate an 800-1000 word newsletter draft, complete with three subject line options, from a rough topic and bullet points.
- Turn a newsletter excerpt into a 150-200 word LinkedIn post formatted with line breaks and an engagement question.
- Break a concept into a numbered Twitter thread with each tweet under 280 characters.
- Run the 3-pass process (brain dump, draft, polish) to take a piece from idea to finished copy in 15-20 minutes instead of 60.
Before you start
- A Claude Projects account (claude.ai) with access to the Projects feature.
- 3-5 pieces of your existing writing (newsletter issues, LinkedIn posts, blog articles, or emails) saved as text files or Google Docs to upload.
- Comfort copying prompt templates and filling in the bracketed sections.
Reference
| Template | Use when | Target length / count | Key requirement |
|---|---|---|---|
| Newsletter Draft Generator | Every time you write your weekly newsletter | 800-1000 words | Output includes 3 subject line options |
| LinkedIn Post Creator | Repurposing newsletter content or writing a standalone post | 150-200 words | Hook under 10 words, no emoji bullets, ends with an engagement question |
| Twitter Thread Builder | A concept needs step-by-step explanation or a story | 5-7, 8-10, or 12-15 tweets | Each tweet under 280 characters, numbered (1/7, 2/7, etc.) |
| Blog Post Outliner | Before writing any blog post over 1500 words | 1500, 2500, or 3500 words | Outline includes suggested word counts per section |
| Email Sequence Writer | Building welcome, launch, or re-engagement sequences | 3, 5, or 7 emails | 150-250 words per email, subject lines under 50 characters |
| Polish & Punch-up | Final pass after a draft is generated (Pass 3) | Aim to cut draft by 10% | Shows before/after for each changed section |
Common errors and fixes
| What goes wrong | The fix |
|---|---|
| Draft sounds too formal or generic | Check that the brand voice document is saved in Project Knowledge, and add to the prompt: reference my brand voice more heavily, this sounds too corporate |
| Claude keeps forgetting details between chats | You're probably working in the main Claude chat instead of your Project chat. Switch to the Project so it can reference saved knowledge |
| Skipping the brand voice document setup step | Every piece comes out generic. Spend the 10 minutes upfront to upload writing samples and generate the voice guide before creating any content |
| Typing a one-line generic prompt like "write me a LinkedIn post about productivity" | Use the structured templates instead, which combine format requirements with a reference to the saved brand voice document |
Read the full walkthrough
The complete lesson, with screenshots and any downloads, is published on Substack as part of Claude Systems Masterclass.
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