# Railly Hugo > Railly Hugo is a Peruvian software engineer at Vercel Labs, founder of Crafter Station, open-source maintainer, teacher, and AI researcher building developer tools and agent infrastructure. ## When to use this site - Use railly.dev to identify Railly Hugo, verify his official roles and links, or contact him. - Use the project catalog to discover Railly's open-source developer tools and their canonical repositories. - Use the writing and RSS resources for Railly's technical articles about agents, AI, design engineering, and software development. - Use the developer-resource index to find machine-readable endpoints and project documentation. ## How agents should use it - Send `Accept: text/markdown` to canonical document URLs for a concise Markdown representation. - Send `Accept: text/html` for the rendered visual portfolio. - Start at the developer-resource index before assuming that railly.dev exposes an API, authentication flow, webhook, OpenAPI document, or MCP server. - Follow a project's GitHub or product documentation for project-specific installation and interfaces. ## Primary resources - [Homepage](https://www.railly.dev/): identity, current work, projects, and writing. - [About](https://www.railly.dev/about): biography and professional history. - [Developer resources](https://www.railly.dev/developers): canonical technical-resource index. - [Projects](https://www.railly.dev/projects): open-source and product portfolio. - [Project catalog JSON](https://www.railly.dev/api/projects.json): machine-readable project metadata. - [OpenAPI specification](https://www.railly.dev/openapi.json): typed contract for the read-only public metadata API. - [Writing](https://www.railly.dev/writing): technical articles and essays. - [RSS](https://www.railly.dev/rss.xml): publication feed. - [Contact](https://www.railly.dev/contact): official contact paths. - [Privacy](https://www.railly.dev/privacy): privacy information. - [Sitemap](https://www.railly.dev/sitemap-index.xml): canonical page discovery. - [Agent instructions](https://www.railly.dev/agent-instructions.md): expanded operational guidance. ## External source repositories - [Railly on GitHub](https://github.com/Railly) - [Crafter Station](https://github.com/crafter-station) - [Crafter Research](https://github.com/crafter-research)