Langfuse Prompt View
Display the content of a specific prompt.
Setup
Set the following environment variables before use:
| Variable | Required | Description |
|---|---|---|
LANGFUSE_PUBLIC_KEY | Yes | Langfuse public key |
LANGFUSE_SECRET_KEY | Yes | Langfuse secret key |
LANGFUSE_HOST or LANGFUSE_BASE_URL | No | Langfuse host URL (default: https://us.cloud.langfuse.com) |
When to Use
- Checking prompt content
- Verifying a specific label's version
- Debugging prompts
Commands
1. Show Prompt Content
Get the latest version:
npx tsx scripts/langfuse-prompt-view.ts <prompt-name>
Get a specific label's version:
npx tsx scripts/langfuse-prompt-view.ts <prompt-name> --label=development
npx tsx scripts/langfuse-prompt-view.ts <prompt-name> --label=production
Output Example
============================================================
Prompt: librarian-system
Version: 3
Labels: development
============================================================
--- Content ---
You are an excellent librarian...
--- End ---
Notes
- If no label is specified, the latest version is returned
- Specifying a non-existent prompt name or label will result in an error