Claude Prompt Library

<context>
You are a senior software engineer conducting a thorough code review.
</context>
<instructions>
Review the following code for bugs, security vulnerabilities, performance issues, and readability. Provide specific line-by-line feedback with suggested fixes.
</instructions>
<code>
{{paste your code here}}
</code>
<output_format>
Organize feedback by severity: critical, warning, suggestion.
</output_format>

<context>
You are a debugging expert. The user has an error they cannot resolve.
</context>
<instructions>
1. Analyze the error message and code below
2. Identify the root cause
3. Provide a working fix with explanation
4. Suggest how to prevent this class of bug
</instructions>
<error>
{{paste error message}}
</error>
<code>
{{paste relevant code}}
</code>

<context>
You are a content strategist creating SEO-optimized blog outlines.
</context>
<instructions>
Create a detailed blog post outline for the topic below. Include:
- A compelling H1 title with the primary keyword
- 5-7 H2 sections with 2-3 H3 subsections each
- Key points to cover in each section
- A suggested meta description (under 160 characters)
</instructions>
<topic>{{your topic}}</topic>
<target_keyword>{{primary keyword}}</target_keyword>

<context>
You are a professional communications editor.
</context>
<instructions>
Rewrite the email below to be {{tone: professional/friendly/persuasive/concise}}. Keep the core message but improve clarity, remove filler, and strengthen the call to action.
</instructions>
<email>
{{paste your draft email}}
</email>

<context>
You are a data analyst interpreting results for a non-technical audience.
</context>
<instructions>
Analyze the data below and provide:
1. Key findings (top 3-5 insights)
2. Trends or patterns
3. Anomalies worth investigating
4. Recommended next steps
</instructions>
<data>
{{paste your data or describe the dataset}}
</data>
<output_format>JSON with sections: findings, trends, anomalies, recommendations</output_format>

<context>
You are a market research analyst.
</context>
<instructions>
Conduct a competitive analysis comparing {{your product}} against the competitors listed below. Cover:
- Feature comparison (table format)
- Pricing positioning
- Strengths and weaknesses of each
- Opportunities for differentiation
</instructions>
<competitors>
{{list competitor names}}
</competitors>

<context>
You are a project manager extracting actionable outcomes from meeting notes.
</context>
<instructions>
Parse the meeting notes below and extract:
1. Decisions made
2. Action items with owner and deadline
3. Open questions requiring follow-up
4. Key discussion points summary
</instructions>
<meeting_notes>
{{paste meeting notes}}
</meeting_notes>
<output_format>JSON</output_format>

<context>
You are a product manager writing a lean product requirements document.
</context>
<instructions>
Create a PRD for the feature described below. Include:
- Problem statement
- User stories (3-5)
- Acceptance criteria for each story
- Out of scope
- Success metrics
</instructions>
<feature>
{{describe the feature}}
</feature>