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FaimulusDon't build one complex prompt. Build a workflow instead.

Combine AI reasoning with deterministic code, tools, memory, validation, and explicit control flow.

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Understand the architecture

Make behavior explicit

Put decisions, validation, retries, approvals, and failure paths in a workflow you can inspect and evolve.

Use AI where it helps

Let models reason through ambiguity while deterministic code and tools handle the parts that must be predictable.

Stay in control

Observe each step, persist execution state, and choose exactly where people and external systems enter the flow.

Schedule meeting workflow graph showing request understanding, calendar checks, approval, event creation, and user responses
A schedule-meeting workflow combines AI decisions, tools, code, approval, and user interaction in one explicit graph.

Define typed workflow graphs, run them durably, and connect AI models, tools, webhooks, schedules, and messaging channels. Faimulus is an npm-based platform that keeps application behavior visible and controlled as AI-powered systems grow beyond a single prompt. Start with the quick start, or use the navigation above to explore operator, extension, API, and contributor documentation.

Faimulus ecosystem ​

IMPORTANT

Project status: early development (0.x). Faimulus is usable for experimentation and early integrations, but APIs and workflow schemas may change before 1.0.

WARNING

Workflow scripts and expressions execute trusted project code. Faimulus is not a sandbox for untrusted tenants or workflow authors.

Documentation for the current repository state.

Faimulus