# crefft > Engineering practice, pinned. Source version 2026.10.3. Root URLs follow published releases; use each guide's source commit for immutable wording. Select the applicable guides rather than loading the entire corpus. ## Start - [For agents](https://crefft.dev/for-agents.md) - [Repository brief](https://crefft.dev/raw/AGENTS.md) - [Guide index](https://crefft.dev/guides.md) - [Raw file manifest](https://crefft.dev/files.json) ## Guide categories - [AI-Assisted Development Overview](https://crefft.dev/guides/ai.md) - [API Design Guides](https://crefft.dev/guides/api.md) - [Design](https://crefft.dev/guides/design.md) - [Documentation Guides](https://crefft.dev/guides/docs.md) - [Framework Style Guides](https://crefft.dev/guides/frameworks.md) - [Infrastructure Guides](https://crefft.dev/guides/infrastructure.md) - [Language Style Guides](https://crefft.dev/guides/languages.md) - [Process Guides](https://crefft.dev/guides/process.md) ## Scope Every reading page has a Markdown twin: /x/ becomes /x.md; / becomes /index.md. Raw downloads preserve source bytes and include SHA-256 and size in files.json. The separately licensed reference tree is not published or bundled here.