| --- | |
| layout: documentation | |
| title: Extensions | |
| --- | |
| # Extensions | |
| Skylark is the name of the extension mechanism in Bazel. It lets you add support | |
| for new languages and tools by writing [custom build rules](rules.md). You can | |
| also compose existing rules into [macros](macros.md). | |
| ## Getting started | |
| Read the [concepts](concepts.md) behind Skylark and try the | |
| [cookbook examples](cookbook.md). To go further, read about the | |
| [standard library](lib/globals.html). | |
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