# C21 - Master Builder

Research checked: 2026-09-18. Category: native-skill-experimental-reference.

[Master Builder](https://github.com/ibuilder/master-builder)

## Use and fit

Broad built-asset lifecycle reference; broader technical judgment than package needs. 

## Cost and access

No skill license fee; LLM/platform costs separate.

## Popularity and evidence

Observed 2026-09-18: 1 star.

## Reuse and package decision

MIT actual LICENSE.

Tools were not installed or operationally tested. Prices/counts may change. This is a research summary, not the product, connection, license grant or proof of field competence.

## Supporting sources

- [Repository](https://github.com/ibuilder/master-builder)
- [License](https://raw.githubusercontent.com/ibuilder/master-builder/main/LICENSE)

[Source index](../../SOURCE_INDEX.md).