Thinkwell

Thinkwell is a TypeScript framework for blending deterministic code with LLM-powered reasoning. It provides a fluent Plan API for composing prompts, attaching tools, and getting structured JSON responses.

For detailed API signatures, see references/api-reference.md. For @JSONSchema details, see references/schema-guide.md. For complete working examples, see references/examples.md.

Core Concepts

1. The @JSONSchema Pattern

Annotate an interface with @JSONSchema in a JSDoc comment. Thinkwell auto-generates a TypeName.Schema namespace that provides the JSON schema at runtime: