External Prompts
External prompt components provide access to prompt templates and resources from external sources and repositories.
Langchain Hub Prompt Template
The Langchain Hub Prompt Template component provides access to curated prompt templates from the LangChain Hub repository.
Usage
LangChain Hub integration features:
Curated prompt collection
Community-contributed templates
Versioned prompt templates
Domain-specific prompts
Best practice examples
Inputs
hub_prompt_name
Hub Prompt Name
Name/identifier of the LangChain Hub prompt
version
Version
Specific version of the prompt template
parameters
Parameters
Parameters to customize the prompt template
api_key
API Key
LangChain Hub API key (if required)
Outputs
prompt_template
Prompt Template
Retrieved and configured prompt template
template_metadata
Template Metadata
Metadata about the prompt template
Popular LangChain Hub Templates
Question Answering
rag-prompt: Retrieval-augmented generation prompts
qa-with-sources: Question answering with source citations
multi-hop-qa: Multi-step question answering
fact-checking: Fact verification prompts
Text Processing
summarization: Document summarization templates
extraction: Information extraction prompts
classification: Text classification templates
sentiment-analysis: Sentiment analysis prompts
Code Generation
code-generation: General code generation prompts
code-review: Code review and analysis templates
debugging: Debugging assistance prompts
documentation: Code documentation generation
Creative Writing
story-generation: Creative story writing prompts
content-creation: Marketing content generation
email-templates: Email writing templates
social-media: Social media content prompts
Template Categories
Business Applications
Customer Service: Support response templates
Sales: Sales communication prompts
Marketing: Marketing content generation
Legal: Legal document analysis
Financial: Financial analysis prompts
Educational Content
Tutoring: Educational assistance prompts
Assessment: Evaluation and grading templates
Curriculum: Learning content generation
Research: Academic research assistance
Explanation: Concept explanation templates
Technical Applications
API Documentation: API documentation generation
System Analysis: Technical system analysis
Troubleshooting: Technical problem solving
Architecture: System design prompts
Performance: Performance analysis templates
Advanced Features
Version Management
Semantic Versioning: Track prompt template versions
Change History: View prompt evolution history
Rollback: Revert to previous versions
Branching: Create custom variations
Merging: Combine template improvements
Customization Options
Parameter Injection: Dynamic parameter substitution
Template Variables: Configurable template variables
Conditional Logic: If-then template logic
Formatting: Custom output formatting
Validation: Input validation rules
Community Features
Rating System: Community template ratings
Comments: User feedback and suggestions
Contributions: Submit new templates
Collections: Curated template collections
Search: Advanced template discovery
Integration Benefits
Quality Assurance
Peer Review: Community-reviewed templates
Testing: Thoroughly tested prompts
Best Practices: Industry best practices
Optimization: Performance-optimized prompts
Documentation: Comprehensive documentation
Productivity
Ready-to-Use: Immediate deployment
Standardization: Consistent prompt formats
Reusability: Reusable across projects
Collaboration: Team sharing and collaboration
Time Savings: Reduced development time
Maintenance
Updates: Automatic template updates
Bug Fixes: Community-driven bug fixes
Improvements: Continuous improvements
Support: Community support
Migration: Easy template migration
Usage Patterns
Direct Usage
1. Browse LangChain Hub
2. Select appropriate template
3. Configure parameters
4. Deploy in workflowCustom Adaptation
1. Fork existing template
2. Modify for specific needs
3. Test and validate
4. Deploy custom versionTemplate Development
1. Create new template
2. Test with sample data
3. Document usage
4. Submit to communityUsage Notes
Attribution: Respect template licensing and attribution
Testing: Test templates thoroughly before production use
Customization: Adapt templates to specific use cases
Updates: Keep templates updated to latest versions
Community: Contribute back to the community
Documentation: Document customizations and usage patterns
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