Developer tools that stay out of your way.
Utilities for AI and LLM development. Your input is processed in your browser. No account, no upload, no interruption.
- 8 tools
- 0 accounts
- 0 uploads
Your tool input is processed locally in your browser and is not intentionally uploaded to our servers. Advertising and analytics providers may still process normal page, device, cookie and network information.
All tools
AI & LLM
- JSON Schema BuilderBuild a schema visually and export it as a tool definition.
- Structured Output ValidatorCheck model output against a schema, with the path that broke.
- Prompt DiffSee which instructions changed, and what the change costs.
- MCP Config ValidatorCatch the mistakes that break an MCP config in practice.
- RAG Chunking PlaygroundSee the chunks your settings actually produce, before you index.