Redesigning Execution for Intelligence

A concatenative programming framework for AI-first development

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RESEARCH PROJECT / EXPERIMENTAL Part of Lemon Slice Labs - Exploring AI-First Development

How It Works

AI Instrumentality Project

Concatenative & Stack-Based

Operations compose naturally through function concatenation. Execution is predictable - what you see is what gets executed, in order.

LLM-Optimized

Documentation and architecture designed for AI consumption. Every operation is self-describing, enabling LLMs to reason about and generate code effectively.

Minimal Core, Composable

Small vocabulary of primitives enables infinite combinations. Build complex behavior from simple, well-understood building blocks.

Separated Concerns

Execution engine (REIVM) is separate from interfaces (monitors). Multiple ways to interact with the same core runtime.

System Architecture

Interfaces
CLI
Web
MCP
VS Code
Data
value
value
value
Stack

REIVM executes operations on a stack. REIMON provides the interface layer. Multiple frontends connect through REIMON.

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Fair Warning

REI is currently a work in progress and descends into increasingly non-human territory. The deeper you explore, the less anthropocentric the design becomes.

This is intentional - we're building for collaboration across different forms of intelligence.