Automate Prompt Engineering with GitHub and n8n
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Streamline your prompt engineering process by automatically loading and populating prompts from a GitHub repository directly into n8n. This workflow ensures your prompts are always up-to-date and correctly formatted, saving valuable development time.
About This Workflow
This n8n workflow revolutionizes prompt engineering by integrating directly with your GitHub repositories. It automatically fetches prompt files, extracts necessary content, and intelligently populates them with dynamic variables. This eliminates manual copy-pasting and ensures consistency across your prompts. The workflow validates that all required variables are present before execution, preventing errors and maintaining the integrity of your AI model interactions. It's an ideal solution for teams leveraging AI and looking to enhance their development pipeline with robust automation.
Key Features
- Automated Prompt Fetching: Seamlessly retrieve prompt files from any GitHub repository.
- Dynamic Variable Population: Automatically injects context-specific data into your prompts.
- Version Control Integration: Keeps your prompts synchronized with your code using GitHub.
- Variable Validation: Ensures all required placeholders are filled before execution.
- Error Handling: Gracefully manages missing variables to prevent workflow failures.
How To Use
- Trigger Setup: Begin by configuring the
When clicking ‘Test workflow’node to manually initiate the automation. - Variable Definition: Use the
setVarsnode to define your GitHub repository details (owner, repo, path) and any dynamic variables you wish to inject into your prompts (e.g., company name, product, features). - Prompt Fetching: Connect the
GitHubnode to your repository. Configure it with the owner, repository name, and the file path to your prompt file. Ensure your n8n GitHub credentials are set up. - Prompt Storage: Use the
SetPromptnode to store the fetched prompt content in a variable for further processing. - Variable Presence Check: Employ the
Check All Prompt Vars Presentcode node to dynamically extract placeholders from the prompt and verify their existence within the variables defined insetVars. - Conditional Logic: Utilize the
Ifnode to control the workflow based on whether all prompt variables are present. - Variable Replacement: If all variables are present, the
replace variablescode node will dynamically substitute the placeholders (e.g.,{{ company }}) with their corresponding values. - Error Handling: If any prompt variables are missing, the
Stop and Errornode will halt the workflow and display a clear error message indicating the missing variables.
Apps Used
Workflow JSON
{
"id": "d78f0ffb-f457-4d81-a7a6-6e71c48ce6ff",
"name": "Automate Prompt Engineering with GitHub and n8n",
"nodes": 19,
"category": "DevOps",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: d78f0ffb-f457...
About the Author
SaaS_Connector
Integration Guru
Connecting CRM, Notion, and Slack to automate your life.
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