🔵
🔻 4.0 "hello"
🔻 4.1 42
🌊 4.2 4.1 4.1
💡🧵 {msg:4.0,answer:4.2}
👁

npm install -g light-lang

light run program.light        # run a file
light eval "🔻 4.0 42 👁"      # eval inline
light template add a=10 b=32   # run template with params
light pipe add:a=5:b=3 phi     # chain templates
light mcp sys                   # MCP tool call
light ops                       # opcode table
light repl                      # interactive REPL

light template invoice qty=10 rate=149 tax_pct=0.23
light template binding hr=97 hrv=10.5 stress=0.79
light template gate hr=106 stress=0.88

const {createMCP} = require('light-lang/src/mcp')
const mcp = createMCP()

mcp.handle('run', {src: '🔻 4.0 42\n💡🧵 4.0\n👁'})
mcp.handle('template', {name: 'add', params: {a: 10, b: 32}})
mcp.handle('pipe', {chain: [{template: 'add', params: {a: 5, b: 3}}, {template: 'phi', params: {}}]})
mcp.handle('eval', {expr: '🌀 5.0 | 💡🧵 5.0 | 👁'})
mcp.handle('ops', {})
mcp.handle('sys', {})

mcp(            — tool interface (run/template/pipe/eval/ops/sys)
  api(          — programmatic access (createMCP, createVM)
    cli(        — command line (light run/eval/template/pipe/mcp/ops/repl)
      cmd(      — command dispatch
        sys(    — runtime (parse, exec, 888 registers, 7 rings)
          params( — template resolution ({{key}} → value)
            light — the photonic instruction set
          )
        )
      )
    )
  )
)