Creators
Back to Week 41 Launches
Developer ToolsTop 3
PR

PromptStack

Rank #2

Version control, unit testing, and continuous eval for production LLM prompt chains.

Makers & Distribution Partners

AL
Crafted by
Alex Devlin
@adevlin
KA
Amplified with
Kai Tanaka
@kaitanaka• AI Systems Engineering Lead

About the Product

Stop testing prompts in chat interfaces. PromptStack brings git-style diffs, regression test suites, and multi-model benchmarking to AI engineers.

Built and verified for the high-signal creator and product ecosystem. Every launch on Republ features organic creator-backed distribution and direct maker contact without commission markups.

Keywords & Tags
#llm#eval#testing#prompts
Launch DateOct 7, 2026
Launch CohortWeek 41
CategoryDeveloper Tools
Total Upvotes0 backers

Community Discussion & Feedback

2 notes
Markdown formatting supported
Elena Rostova@elenarostova
2 days ago

The UX on this is remarkably fluid. Big fan of how real-time state synchronization handles high-concurrency node edits.

Kai Tanaka@kaitanaka
1 day ago

Tested this with our engineering team's architecture reviews earlier this week. Massive time saver compared to static whiteboard tools.