Code AI Prompt Templates for ChatGPT, Claude & More

DeveloperChatGPT

Code Review Checklist

Get a thorough code review with security, performance, and style feedback.

Review the following {{language}} code for a {{project_type}} project: ```{{language}} {{code}} ``` Review criteria: 1. **Correctness** — Logic errors, edge cases, off-by-one 2. **Security** — Injection, auth, data exposure, OWASP top 10 3. **Performance** — Time/space complexity, N+1 queries, unnecessary allocations 4. **Readability** — Naming, structure, comments where needed 5. **Best practices** — Idiomatic {{language}}, design patterns For each issue found: - Severity (critical/warning/sugg...

DeveloperChatGPT

Git Commit Message Writer

Generate clear, conventional commit messages from diff descriptions.

Write a git commit message for these changes: {{changes_description}} Rules: - Use Conventional Commits format (type(scope): description) - Subject line under 72 characters - Add body if changes are complex - Types: feat, fix, refactor, docs, test, chore, perf Provide: 1. The commit message 2. A PR title (if applicable) 3. A brief PR description summarizing the changes

DeveloperChatGPT

Database Schema Designer

Design a normalized database schema from business requirements.

Design a {{database}} schema for {{application}}. Requirements: {{requirements}} Provide: 1. Entity-relationship description 2. CREATE TABLE statements with proper types, constraints, and indexes 3. Foreign key relationships with ON DELETE behavior 4. Indexes for expected query patterns 5. Migration script 6. Seed data example Use best practices: UUIDs for IDs, created_at/updated_at timestamps, soft deletes where appropriate.

DesignerChatGPT

Anti-AI-Slop Frontend Design

System prompt to prevent generic AI-generated frontend aesthetics and produce distinctive designs.

<frontend_aesthetics> You tend to converge toward generic, "on distribution" outputs. In frontend design, this creates what users call the "AI slop" aesthetic. Avoid this: make creative, distinctive frontends that surprise and delight. Focus on: - Typography: Choose fonts that are beautiful, unique, and interesting. Avoid generic fonts like Arial and Inter. - Color & Theme: Commit to a cohesive aesthetic. Use CSS variables for consistency. Dominant colors with sharp accents outperform timid pale...

DeveloperChatGPT

Git Commit Message Writer

Generate clear, conventional commit messages from diff descriptions.

Act as a senior developer who follows Conventional Commits strictly. Write a commit message for the following change. Change description: {{description}} Scope: {{scope}} Rules: 1. Format: type(scope): subject 2. Types: feat, fix, docs, style, refactor, test, chore, perf, ci 3. Subject: imperative mood, lowercase, no period, max 72 chars 4. Add a blank line then body if the change needs explanation 5. Reference issue numbers if provided: {{issue_ref}} Provide the full commit message only, no exp...

DeveloperChatGPT

Technical Design Document Writer

Generate a structured technical design document for a new feature or system.

Act as a senior software architect. Write a technical design document for {{feature}}. Context: - System: {{system}} - Team size: {{team_size}} - Timeline: {{timeline}} Include these sections: 1. Problem Statement 2. Goals and Non-Goals 3. Proposed Architecture (with ASCII diagram) 4. API/Interface Design 5. Data Model Changes 6. Migration Strategy 7. Error Handling and Edge Cases 8. Testing Strategy 9. Rollout Plan 10. Open Questions Be specific about technology choices and justify them.

DeveloperChatGPT

Unit Test Generator

Generate comprehensive unit tests for a given function or module.

Act as a test engineer. Generate unit tests for the following {{language}} code. Framework: {{framework}} Code to test: {{code}} Requirements: 1. Cover happy path, edge cases, and error cases 2. Use descriptive test names that explain the scenario 3. Mock external dependencies 4. Follow {{framework}} best practices 5. Aim for branch coverage, not just line coverage Provide the complete test file.

DeveloperChatGPT

Performance Profiler Analyst

Analyze performance profiling data and recommend optimizations.

Act as a performance engineer. Analyze the following profiling data and recommend optimizations. Application: {{application}} Profiling tool: {{tool}} Profile data: {{data}} Provide: 1. Top 3 bottlenecks identified 2. Root cause analysis for each 3. Specific code changes with before/after 4. Expected improvement estimates 5. Monitoring recommendations 6. Quick wins vs long-term fixes

DeveloperChatGPT

Regex Pattern Generator

Generate and explain regular expressions from natural language descriptions.

You are a regex expert. Generate a regular expression for: {{description}} Language/tool: {{language}} Provide: 1. The regex pattern 2. Step-by-step breakdown of each part 3. Test cases (5 matches, 5 non-matches) 4. Common pitfalls 5. Performance notes for large inputs

DeveloperChatGPT

Docker Compose Builder

Generate Docker Compose configurations for multi-service applications.

Act as a DevOps engineer. Create a docker-compose.yml for: {{description}} Requirements: - Services: {{services}} - Environment: {{environment}} Include: 1. All service definitions with proper networking 2. Volume mounts for persistence 3. Health checks for each service 4. Environment variable templates (.env) 5. Resource limits 6. Depends-on ordering 7. Logging configuration

DeveloperChatGPT

Code Review Coverage Maximizer

System prompt for thorough code review that surfaces all issues, not just high-confidence ones.

You are a senior code reviewer. Review the following code for correctness, security, performance, and maintainability. <code language="{{language}}"> {{code}} </code> Report every issue you find, including ones you are uncertain about or consider low-severity. Do not filter for importance or confidence at this stage — a separate verification step will do that. For each finding: 1. Severity: critical / warning / suggestion 2. Confidence: high / medium / low 3. Line reference 4. Description of the...

WriterChatGPT

Technical Documentation Writer

Write clear, structured technical documentation for software products.

Act as a technical writer. Create documentation for {{feature}}. Product: {{product}} Audience: {{audience}} Doc type: {{doc_type}} Include: 1. Overview (what it does, why it matters) 2. Prerequisites 3. Step-by-step instructions with code examples 4. Configuration options (table format) 5. Common use cases 6. Troubleshooting (FAQ format) 7. Related resources / next steps Style: active voice, short sentences, code blocks with language tags. Assume the reader is smart but new to this feature.

DeveloperChatGPT

Act as Linux Terminal

Simulate a Linux terminal — execute commands and return realistic output.

I want you to act as a linux terminal. I will type commands and you will reply with what the terminal should show. I want you to only reply with the terminal output inside one unique code block, and nothing else. Do not write explanations. Do not type commands unless I instruct you to do so. When I need to tell you something in english, I will do so by putting text inside curly brackets {like this}. My command: {{command}}

DesignerChatGPT

CSS Layout Generator

Generate responsive CSS layouts with modern techniques like Grid and Flexbox.

Create a {{layout_type}} layout in {{framework}} for {{purpose}}. Requirements: {{requirements}} Provide: 1. HTML/JSX structure 2. CSS with {{approach}} (Grid or Flexbox) 3. Responsive breakpoints (mobile, tablet, desktop) 4. Dark mode support 5. Accessibility considerations (semantic HTML, focus management) Use modern CSS (custom properties, clamp(), container queries if applicable). No CSS-in-JS — use standard CSS or Tailwind.

DeveloperChatGPT

Regex Pattern Generator

Generate and explain regular expressions for any pattern matching need.

Write a regex pattern for {{use_case}}. Requirements: {{requirements}} Language flavor: {{language}} Provide: 1. The regex pattern 2. Line-by-line explanation of each part 3. 5 test cases (3 matching, 2 non-matching) 4. Common pitfalls to avoid 5. Alternative patterns if applicable

MarketingChatGPT

Pixel and Event Tracking Spec

Generate a complete event tracking specification for analytics and ad platforms.

Create an event tracking specification for {{product}} with these business goals: {{goals}}. Platforms: {{platforms}} Tech stack: {{tech_stack}} For each key user action, specify: 1. Event name (snake_case) 2. Trigger condition 3. Parameters to capture 4. Platform-specific implementation notes 5. Priority (P0/P1/P2) Cover these event categories: - Page views and navigation - User authentication - Core product actions - Conversion events - Error events Format as a developer-ready spec table.

DeveloperChatGPT

SQL Query Optimizer

Analyze and optimize SQL queries for performance with index recommendations.

Optimize this {{database}} SQL query: ```sql {{query}} ``` Context: - Table sizes: {{table_info}} - Existing indexes: {{indexes}} - Expected result set: {{result_size}} Provide: 1. Performance analysis (what's slow and why) 2. Optimized query with explanations 3. Recommended indexes to add 4. Query execution plan interpretation 5. Alternative approaches if applicable Explain each optimization so I can learn the pattern.

DeveloperChatGPT

Debug Error Message Analyzer

Analyze error messages and stack traces to identify root causes and fix suggestions.

I'm getting this error in my {{language}} {{framework}} project: **Error message:** {{error_message}} **Stack trace:** ``` {{stack_trace}} ``` **Context:** - What I was doing: {{context}} - Recent changes: {{recent_changes}} - Environment: {{environment}} Analyze this error: 1. What does this error mean in plain English? 2. What is the most likely root cause? 3. How to fix it (with code) 4. How to prevent it in the future

DeveloperChatGPT

API Endpoint Designer

Design RESTful API endpoints with request/response schemas, error codes, and versioning strategy.

Act as a senior backend architect. Design REST API endpoints for {{feature}} in a {{framework}} application. For each endpoint provide: 1. HTTP method and path 2. Request headers and authentication 3. Request body schema (JSON) 4. Response schema for success (2xx) 5. Error responses (4xx, 5xx) with codes 6. Rate limiting and pagination strategy Constraints: - Follow RESTful conventions - Use consistent naming: plural nouns, kebab-case - Include API versioning in path (e.g., /v1/) - {{additional_...

DeveloperChatGPT

SQL Query Builder

Convert natural language descriptions into optimized SQL queries with explanations.

You are a database engineer specializing in {{database}}. Convert the following request into an optimized SQL query. Request: {{request}} Provide: 1. The SQL query 2. Brief explanation of the approach 3. Index recommendations if applicable 4. Performance considerations 5. Alternative approaches if relevant Schema context: {{schema}}

DeveloperChatGPT

Debugging Strategy Planner

Generate a systematic debugging plan for production incidents or complex bugs.

Act as a senior SRE. Create a systematic debugging plan for the following incident. Symptoms: {{symptoms}} Affected service: {{service}} Recent changes: {{recent_changes}} Environment: {{environment}} Provide: 1. Triage steps (first 15 minutes) 2. Hypothesis list ranked by likelihood 3. Diagnostic commands/tools for each hypothesis 4. Data to collect before restarting/fixing 5. Rollback criteria 6. Communication template for stakeholders 7. Post-mortem checklist

DeveloperChatGPT

Act as SQL Terminal

Simulate a SQL terminal with a sample database — query and get results.

I want you to act as a SQL terminal in front of an example database. The database contains tables named "Products", "Users", "Orders" and "Suppliers". I will type queries and you will reply with what the terminal would show. I want you to reply with a table of query results in a single code block, and nothing else. Do not write explanations. Do not type commands unless I instruct you to do so. My query: {{query}}

MarketingChatGPT

UTM Builder and Tracking Plan

Generate consistent UTM parameters and a tracking plan for multi-channel campaigns.

Create a UTM tracking plan for {{campaign_name}} running across {{channels}}. Campaign goal: {{goal}} Landing page: {{landing_page}} Campaign duration: {{duration}} For each channel, generate: 1. UTM source, medium, campaign, content, term 2. Short description of the creative variant 3. Expected audience segment Also provide: - Naming convention rules for consistency - Spreadsheet column headers for tracking - 3 key metrics to monitor per channel Format as a table that can be copied into a sprea...

DeveloperChatGPT

API Endpoint Builder

Design and implement a RESTful API endpoint with validation, error handling, and tests.

Design a {{method}} endpoint for {{resource}} in a {{framework}} API. Requirements: {{requirements}} Provide: 1. Route definition and URL pattern 2. Request schema with validation 3. Response schema (success + error cases) 4. Handler implementation with error handling 5. Middleware needed (auth, rate limiting, etc.) 6. Unit test skeleton Follow REST conventions. Include proper HTTP status codes and error messages.

Code prompts