PromptForge

Workbench for crafting, testing, and evaluating AI prompts

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PromptForge is an open-source prompt engineering workbench that lets developers and AI practitioners write, test, and systematically evaluate prompts with built-in analysis tools. It supports iterative prompt refinement and comparison workflows. The project is self-hostable via GitHub and targets developers who need structured prompt management beyond basic chat interfaces.

At a glance

Company
insaaniManav (open source)
Pricing
free
API available
No
Self-hostable
Yes
Launched
2025-07
Last verified
2026-05-11

Capabilities

prompt-testingprompt-comparisonsystematic-evaluationprompt-managementanalysis-tools

Categories

developer-platformsproductivity

Alternatives

For AI agents: machine-readable markdown version of this page at /tools/promptforge-3.md, or send Accept: text/markdown.