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PDL
pdl · v0.9.3
6
7.0
Declarative language for creating reliable, composable LLM prompts
brew install --cask pdl 5
30-day installs
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90-day installs
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365-day installs
Install trend
Trust Score 6/10
✓ Open source (Apache-2.0) +3
✗ Active development +0
✓ Licensed +1
✗ No auto-updates +0
✓ Not deprecated +1
✓ Established (>1yr) +1
✗ Low installs +0
Review
Mar 11, 2026PDL is a declarative language for creating reliable and composable prompts for large language models (LLMs). It offers a structured approach to prompt engineering, making it easier to design, test, and reuse prompts. Developers and data scientists working with LLMs will benefit most from this tool.
PDL provides a framework for defining and managing prompts used in interactions with large language models.
Maturity: The project is in pre-release (version 0.9.3) with active development, as evidenced by recent commits.
Community: Community discussion is limited, with some confusion arising from similar project names on Hacker News. Reddit has no mentions.
Pros
- + Structured approach to prompt engineering
- + Active development and recent updates
- + Apache-2.0 license for open-source use
Cons
- - No auto-updates feature
- - Limited community traction and awareness
Community Mentions
hackernews
hackernews
Mar 2025 PDL: Perl Data Language
hackernews
hackernews
hackernews
Jul 2012 Adapting PDL to a Big Data Landscape
Positive sentiment Negative sentiment Neutral / unknown