KERNlang/kern

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One backend spec. Real TypeScript and Python output. 240 review rules.<br> _{LLMs write .kern in up to 85% fewer tokens. 7 LLMs verified.}

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kernlang.dev  •  MCP  •  Review  •  Playground  •  Docs  •  For LLMs

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Install

npm install -g @kernlang/cli

kern compile api.kern --target=express                        # Generate an Express backend
kern compile api.kern --target=fastapi                        # Generate a FastAPI backend
kern review src/ --recursive                                  # Static analysis (240 rules, taint tracking)
kern context src/ --stdout                                    # Whole-project context map for an LLM/agent
kern init --template=fullstack my-app                          # Scaffold fullstack app (Next.js + Express + MCP)
kern init --mcp                                               # Scaffold an MCP server with security guards
kern import src/ --outdir=kern/                               # TypeScript → .kern
kern schema --json                                            # Full schema for LLM consu