Part 1: Intro to Claude Code
Spec-Driven Development
The 3D Printing Analogy
3D Printing
CAD File / Blueprint
Precise specifications & measurements
↓
3D Printer
Autonomous execution layer-by-layer
↓
Physical Object
Tangible result matching spec
=
Claude Code
SPEC.md
Spec Document
Requirements, architecture, constraints
↓
> claude
Building...
████████░░
Claude Code
Autonomous AI agent execution
↓
def main():
app.run()
Working Software
Functional code matching spec
Key Insight
The
quality of output
depends on the
quality of the specification
.
Garbage spec in → garbage out. Precise spec in → precise result out.
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