# Builder experience — Smoower Index methodology

> How much surface area is there for a builder to actually build on?

Weight: ~12% of overall.

Measures the tooling a developer touches: CLIs, SDKs across languages, templates and starters, MCP servers, sandboxes, and developer programs.

| Sub-metric | What is read |
| --- | --- |
| SDK coverage | Number of languages with a maintained client |
| CLI and tooling | Presence and maintenance of CLIs and local tooling |
| Templates | Starter repos and templates ready to clone |
| Programs | Ambassador, champion or expert programs |

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HTML version: https://www.smoower.com/docs/dx
Machine index: https://www.smoower.com/llms.txt · MCP server: https://www.smoower.com/mcp · REST API: https://www.smoower.com/api/v1
All pillars: https://www.smoower.com/docs.md