PromptSite

PromptSite provides prompt version management for tracking, experimentation, and debugging LLM prompts.

github.com/dkuang1980/promptsite
PromptSite homepage screenshot

About PromptSite

PromptSite is a lightweight Python package for managing LLM prompts. It helps you version, track, experiment with and debug prompts. Prompt data can be stored in local files or in a Git-based backend, and the project describes minimal setup with no servers or databases. Integration works through a Python decorator added to existing LLM code. The repository is licensed under Apache-2.0.

Pricing is not clearly stated.

Key features

  • Version tracking for prompt iterations
  • Local file or Git-based storage
  • Automatic tracking of prompt runs and LLM responses
  • Python decorator for existing LLM code
  • Variable definition and validation
  • Synthetic relational datasets for prompt tests
Best for: Data scientists and engineers who want to add prompt tracking to existing ML or LLM workflows.

PromptSite at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Details verified
Oct 22, 2026 · Official source
Open source
Yes · Source code
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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PromptSite FAQ

Do I need an LLM provider to use PromptSite?
PromptSite itself needs no API keys, but the examples call OpenAI and read OPENAI_API_KEY, so you need access to an LLM provider to run them.
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