Prompt Library

A collection of curated, optimized prompts for various LLM tasks.

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Code Refactoring

Coding

Refactor a piece of code to improve its readability, performance, and maintainability.

You are an expert programmer with years of experience in software architecture and design patterns. Refactor the following code to improve its readability, performance, and maintainability. Provide a brief explanation of the changes you made and why they are beneficial.

```{{language}}
{{code}}
```

Explain Code

Coding

Provide a detailed, step-by-step explanation of a complex piece of code.

Act as a senior software engineer mentoring a junior developer. Explain the following piece of code step-by-step. Focus on the logic, data flow, and the purpose of any complex algorithms or data structures. Use analogies if helpful.

```{{language}}
{{code}}
```

Generate Unit Tests

Coding

Create a comprehensive suite of unit tests for a given function or class.

You are a quality assurance engineer specializing in automated testing. Your task is to write a comprehensive suite of unit tests for the following code using the {{test_framework}} framework. Ensure you cover edge cases, happy paths, and error conditions.

```{{language}}
{{code}}
```

Debug Code

Coding

Analyze code to find bugs, explain the root cause, and provide a fix.

You are a debugging expert with a knack for finding even the most subtle bugs. Analyze the following code, identify the bug, explain the root cause in simple terms, and provide a corrected and optimized code snippet.

```{{language}}
{{code}}
```

Write API Documentation

Coding

Generate clear and comprehensive documentation for a given API endpoint.

You are a technical writer specializing in API documentation. Based on the following code for an API endpoint, generate clear and comprehensive documentation. Include sections for the endpoint's purpose, path, parameters (with types and descriptions), success response (with status code and example body), and error responses.

```{{language}}
{{code}}
```

Summarize Technical Article

Writing

Distill a long technical article or document into key bullet points.

You are a research assistant. Read the following article and summarize its key findings and main arguments into a concise list of 5-7 bullet points. Each bullet point should be a single, clear sentence.

Article:
"""
{{article_text}}
"""

Brainstorm Ideas

Writing

Generate a list of creative ideas for a given topic or problem.

Act as a creative strategist in a brainstorming session. Generate 10 innovative and diverse ideas for {{topic}}. For each idea, provide a one-sentence description and a potential first step to explore it further.

Change Writing Tone

Writing

Rewrite a piece of text to have a different tone (e.g., professional, casual, witty).

Rewrite the following text to have a more {{tone (e.g., professional, casual, enthusiastic, empathetic)}} tone, while preserving the core message. Provide only the rewritten text in your response.

Original Text:
"""
{{text_to_rewrite}}
"""

Generate Blog Post Ideas

Writing

Create engaging, SEO-friendly blog post titles and outlines for a given topic.

Act as a content strategist. Generate 5 blog post titles and brief outlines on the topic of {{topic}}. Focus on titles that are engaging, SEO-friendly, and target a specific audience.

Proofread and Edit

Writing

Correct grammatical errors, spelling mistakes, and awkward phrasing in a text.

Proofread the following text for any grammatical errors, spelling mistakes, and awkward phrasing. Provide a corrected version and a brief, bulleted summary of the most important changes you made.

Original Text:
"""
{{text_to_proofread}}
"""

Generate SQL Queries

Data

Write SQL queries based on a natural language description of the desired data.

You are an expert SQL database administrator. Given the following table schema, write a SQL query to retrieve {{natural_language_query}}. 

Schema:
{{table_schema}}

Provide only the SQL query in your response.

Explain Data Insights

Data

Analyze a dataset and provide a high-level summary of the key insights.

You are a data analyst presenting findings to a non-technical executive team. Based on the following dataset, identify and explain the top 3 most important insights. Focus on the business implications of each insight and avoid technical jargon.

Dataset (CSV format):
"""
{{csv_data}}
"""

Data Cleaning Suggestions

Data

Analyze a data sample and suggest steps for cleaning and preprocessing.

You are a data scientist tasked with cleaning a new dataset. Analyze this sample of the data and provide a list of potential data quality issues (e.g., missing values, outliers, incorrect data types). For each issue, suggest a specific step to clean or preprocess the data before analysis.

Data Sample:
"""
{{data_sample}}
"""

Generate Sample Data

Data

Create a specified number of sample data records based on a schema description.

Generate {{number_of_records}} sample records in JSON format based on the following schema. Ensure the data is varied and realistic.

Schema:
- id: UUID
- product_name: String
- price: Float (in USD)
- in_stock: Boolean
- category: String (one of 'Electronics', 'Books', 'Clothing')

Generate Regex Pattern

Productivity

Create a regular expression to match a specific pattern described in natural language.

You are a regular expression expert. Create a regex pattern that will {{description_of_pattern}}. Provide the pattern and a brief explanation of how it works.

Example string to match: "{{example_string}}"

Meeting Summarizer

Productivity

Summarize meeting transcripts into action items and key decisions.

You are a professional assistant. Read the following meeting transcript and summarize it into two sections: 'Key Decisions' and 'Action Items'. For each action item, specify who is responsible.

Transcript:
"""
{{meeting_transcript}}
"""

Email Triage

Productivity

Categorize a list of email subjects into predefined categories.

You are an email productivity assistant. Categorize the following list of email subjects into one of these categories: 'Urgent', 'Requires Action', 'Informational', or 'Spam'. Provide the category for each subject.

Email Subjects:
{{email_subjects_list}}

Generate Ad Copy

Marketing

Create compelling ad copy for a product or service.

Act as a senior copywriter. Write 3 distinct ad copy variations for a new product, '{{product_name}}', which {{product_description}}. Target an audience of {{target_audience}}. Each variation should have a headline (max 10 words) and a body (max 30 words).

Social Media Post Ideas

Marketing

Brainstorm engaging social media post ideas for a specific brand or topic.

You are a social media manager. Generate 5 engaging post ideas for {{brand_or_topic}} on the {{social_media_platform}} platform. For each idea, suggest a visual (e.g., image, video, poll) and a compelling caption.

Write a Press Release

Marketing

Draft a professional press release for a company announcement.

Draft a professional press release announcing that {{company_name}} has {{announcement_details (e.g., launched a new product, secured funding)}}. Include a headline, dateline, introduction, body paragraphs with quotes, a boilerplate about the company, and media contact information.

Elevator Pitch

Business

Condense a business idea into a concise and compelling elevator pitch.

You are a startup coach. Condense the following business idea into a compelling, 30-second elevator pitch.

Business Idea:
{{business_idea_description}}

SWOT Analysis

Business

Conduct a SWOT (Strengths, Weaknesses, Opportunities, Threats) analysis.

Conduct a SWOT analysis for a company that {{company_description}}. Present the output in four distinct sections: Strengths, Weaknesses, Opportunities, and Threats.

Lesson Plan Creator

Education

Generate a structured lesson plan for a specific educational topic.

You are an experienced educator. Create a 45-minute lesson plan for a {{grade_level}} class on the topic of {{topic}}. Include learning objectives, materials needed, an introductory activity, a main teaching activity, and an assessment to check for understanding.

Explain a Concept Simply

Education

Explain a complex topic as if you were talking to a 5-year-old.

Explain the concept of {{complex_topic (e.g., black holes, photosynthesis, cryptocurrency)}} as if you were talking to a 5-year-old. Use simple analogies and avoid technical terms.

Create a Quiz

Education

Generate a multiple-choice quiz on a given subject.

Create a 5-question multiple-choice quiz on the topic of {{topic}}. For each question, provide one correct answer and three plausible incorrect answers (distractors). Mark the correct answer.

A well-structured prompt is the difference between a vague response and a useful one. This library collects battle-tested prompt templates for coding, writing, data analysis, and productivity so you can start with proven patterns instead of writing from scratch.

How to Use the Prompt Library

Browse by category using the filter buttons, or search by keyword across titles, descriptions, and prompt text. Click Copy Prompt on any card to save the template to your clipboard, then paste it into your preferred AI tool.

Each prompt includes a brief description of its intended use. Adapt the placeholders and specifics to your own context before sending, as the best results come from prompts tailored to your particular task.

Tips for Writing Effective Prompts

Be specific: Instead of “write code,” say “write a Python function that validates email addresses using a regex pattern.”

Provide context: Include relevant background information, target audience, and desired format so the model can tailor its response.

Set constraints: Specify length limits, tone, output format (JSON, Markdown, code), and any rules the model should follow.

Use examples: Showing the model one or two input/output pairs helps it understand exactly what you expect.

Iterate: Treat your first prompt as a draft. Refine it based on the output until the results consistently match your needs.

Frequently Asked Questions

What is the prompt library?

A curated collection of optimized prompts for common LLM tasks — coding, writing, analysis, translation, summarization, and more — ready to copy and use.

How do I use a prompt?

Browse categories or search by keyword, find a prompt that fits your need, click to expand it, and copy it to your clipboard with one click.

Can I suggest new prompts?

The library grows over time based on community feedback. You can rate prompts and suggest improvements through the feedback interface.

Are prompts optimized for specific models?

Most prompts are model-agnostic and work well with GPT-4, Claude, Gemini, and others. Some prompts are specifically tuned for certain models and are labeled accordingly.

Is this library free?

Yes, ToolDock's prompt library is completely free, requires no signup, and is accessible from any browser.

Prompt Optimizer

Refine and shorten your LLM prompts with AI to reduce token usage.

LLM Model Explorer

Browse and compare features of different Large Language Models.

Sentiment Analyzer

Analyze the sentiment and emotions within a block of text.

How to Use the Prompt Library

Tips for Writing Effective Prompts

Frequently Asked Questions

What is the prompt library?

How do I use a prompt?

Can I suggest new prompts?

Are prompts optimized for specific models?

Is this library free?

Related Tools

How to Use the Prompt Library

Tips for Writing Effective Prompts