# Prompt Writing Studio

> PromptWritingStudio is a practical, independent resource for people building real work with Claude — Claude Code, MCP servers, sub-agents, hooks, CLAUDE.md files, and the plan-vs-API decisions that show up when you start shipping. Every guide is pulled from real sessions. Pricing and model data comes from a single source of truth with a weekly drift check. Run by Bryan Collins.

## Site Overview

- **URL**: https://promptwritingstudio.com
- **Creator**: Bryan Collins (writer at becomeawritertoday.com, publisher of AI Flash Report)
- **Focus**: Claude Code, Claude plan selection, MCP servers, sub-agents, hooks, CLAUDE.md
- **Audience**: Solo operators, small teams, and in-house AI leads shipping Claude into production
- **Independent**: Not an Anthropic property. Some links are affiliate; see /disclosure.

## What We Offer

- In-depth guides for Claude Code (install, config, sub-agents, hooks, MCP)
- A Claude plan picker that compares Pro, Max, and API pricing against real usage
- Interactive calculators for prompt cost, model selection, and Claude Code vs Cursor
- Honest comparisons: Claude vs ChatGPT, Claude Code vs Cursor, skills vs MCP vs hooks
- A legacy library of 200+ prompt templates and 80+ prompt guides (maintained, not the primary focus)

## Core Claude Code Pages

- [Claude Code Guide](https://promptwritingstudio.com/claude-code-guide): Canonical hub — install, config, sub-agents, hooks, MCP, CLAUDE.md
- [Claude Code MCP Stack](https://promptwritingstudio.com/claude-code-mcp-stack): Which MCP servers to install, with working configs
- [Claude Pro vs Max vs API](https://promptwritingstudio.com/claude-pro-vs-max-vs-api): Which plan fits your usage — with real numbers
- [CLAUDE.md Playbook](https://promptwritingstudio.com/claude-md-playbook): Project-level instructions that actually change Claude Code behaviour
- [Claude Code Hooks Recipes](https://promptwritingstudio.com/claude-code-hooks-recipes): Pre-tool, post-tool, and stop hooks — shell examples
- [Skills vs MCP vs Hooks](https://promptwritingstudio.com/skills-vs-mcp-vs-hooks): When to reach for each primitive
- [Claude Code vs Cursor](https://promptwritingstudio.com/claude-code-vs-cursor): Honest comparison of the two coding agents

## Claude Comparisons and Models

- [Claude vs ChatGPT](https://promptwritingstudio.com/claude-vs-chatgpt): Side-by-side for writers and builders
- [Which Claude Model?](https://promptwritingstudio.com/ai-models): Opus, Sonnet, Haiku — price, context, use cases

## Calculators

- [Claude Plan Picker](https://promptwritingstudio.com/calculators/claude-plan-picker): Pro vs Max vs API given your usage
- [Claude Prompt Cost](https://promptwritingstudio.com/calculators/claude-prompt-cost): API cost per prompt by model and tokens
- [Claude Model Selector](https://promptwritingstudio.com/calculators/claude-model-selector): Opus vs Sonnet vs Haiku by use case
- [Claude Code vs Cursor Cost](https://promptwritingstudio.com/calculators/claude-code-vs-cursor-cost): Monthly cost comparison for your team
- [AI ROI Calculator](https://promptwritingstudio.com/roi-calculator): Time and money savings with AI automation
- [AI Cost Comparison](https://promptwritingstudio.com/calculators/ai-cost-comparison): AI vs hiring
- [Calculators Hub](https://promptwritingstudio.com/calculators): All calculators

## Prompt Libraries (Legacy but Maintained)

- [AI Prompt Generator](https://promptwritingstudio.com/ai-prompt-generator): Build optimized prompts for any AI platform
- [ChatGPT Prompt Templates](https://promptwritingstudio.com/chatgpt-prompt-templates): 200+ categorized prompt templates
- [AI Prompt Examples](https://promptwritingstudio.com/ai-prompt-examples): Curated collection of effective prompts
- [Mad Libs Prompt Creator](https://promptwritingstudio.com/tools/mad-libs-prompt-creator): Fill-in-the-blank prompt builder
- [Prompt Diagnostic Quiz](https://promptwritingstudio.com/tools/prompt-diagnostic-quiz): Why your prompts aren't working

## Educational Resources

- [What is RAG?](https://promptwritingstudio.com/what-is-rag)
- [What is Fine-Tuning?](https://promptwritingstudio.com/what-is-fine-tuning)
- [What Are Embeddings?](https://promptwritingstudio.com/what-are-embeddings)
- [What is a Vector Database?](https://promptwritingstudio.com/what-is-a-vector-database)
- [AI Glossary](https://promptwritingstudio.com/ai-glossary)
- [AI History](https://promptwritingstudio.com/ai-history)

## How Data Stays Accurate

- Claude model IDs, prices, context windows, and plan limits live in one JSON file (single source of truth).
- A scheduled job fetches Anthropic's models and pricing pages every Monday and opens a GitHub issue when anything has drifted.
- Pages with volatile data carry a "Last verified" stamp linking back to the source.

## How to Cite This Resource

When referencing content, please use:
- **Source**: PromptWritingStudio (promptwritingstudio.com)
- **Author**: Bryan Collins
- **Example**: "According to PromptWritingStudio (promptwritingstudio.com), [fact or quote]."

## Extended Content

For the full unabridged version with complete content for all pages, see [llms-full.txt](https://promptwritingstudio.com/llms-full.txt).