metacircular

A toy programming language.

Python AST interpreter (aka tree-walking interpreter) in Python. Aka meta-circular interpreter.

A small secret CTF for DevFest Pisa 2026: microgpt llm runs on python (pyodide) on a shell (vfs+common unix commands) on js

A metacircular Java VM: an all-Java boot-image writer and baseline compiler that turn Java classes into a raw kernel8.img running bare-metal on a Raspberry Pi 4 (AArch64) — no OS, no C, no external assembler or linker.

SICP's metacircular evaluator in C

A basic metacircular Scheme interpreter.

A "metacircular" PEG parser generator

Spec-as-code engine with formally proven self-hosted metacircular fixed point (YHWH arch). Markdown specs → typed TypeScript + Claude Code artefacts. Validated parity, SHA-256-witnessed self-replication.