> For the complete documentation index, see [llms.txt](https://docs.merlinchain.io/merlin-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.merlinchain.io/merlin-docs/developers/builder-guides.md).

# Builder Guides

This section, Merlin Eco Builder Guides, provides developers with comprehensive references for all available tools. The specific topics covered include:

* [Networks](/merlin-docs/developers/builder-guides/networks.md)
* [General Contracts](/merlin-docs/developers/builder-guides/general-contracts.md)
* [Fees](/merlin-docs/developers/builder-guides/fees.md)
* [Developer Tool](/merlin-docs/developers/builder-guides/developer-tools.md)