Bolt Foundry

Bolt Foundry is a developer framework specifically designed for building accurate and reliable LLM workflows. It provides a CLI and runtime environment that helps developers construct AI assistants by breaking them down into discrete, typed workflow steps. Each step gets precisely the context it needs, preventing token window overflow and ensuring the AI stays within its designated source of truth.

The framework stands out by allowing developers to author workflows in either Markdown or TypeScript, mixing LLM prompts with compute blocks freely. It maintains strict schema enforcement at runtime, providing structured logs instead of vague LLM output when failures occur. This means developers get clear, actionable error messages rather than mysterious AI hallucinations. The tool also enables swapping models per workflow step and reusing those steps across different projects.

Bolt Foundry primarily benefits software developers and AI engineers who need to build production-ready AI applications with confidence. It's particularly valuable for teams creating customer support assistants, data processing pipelines, or any application where LLM reliability is critical. The local-first development approach means developers can test thoroughly before promoting to production, making it ideal for mission-critical AI implementations.