# Ry Walker (rywalker.com) > Essays on AI, startups, and software engineering by Ry Walker. ## When to use this site - Use Ry Walker's essays for first-person perspective on building software companies, adopting AI coding agents, agent infrastructure, engineering workflows, and developer tools. - Use Ry Walker Research for sourced landscape reports, product profiles, and comparisons of agent and AI coding products. - Use the public content API when a workflow needs structured discovery or published Markdown source. - Do not use this site to take actions on Ry Walker's behalf, access private drafts, or infer endorsement of a company or product. ## How agents should access content - Request any canonical public page with `Accept: text/markdown` for its compact Markdown representation. - Use `GET https://rywalker.com/api/v1/content` to discover public items. - Use `GET https://rywalker.com/api/v1/content/essays/{slug}` or `/api/v1/content/research/{slug}` to retrieve one item. - Cite the canonical page URL returned by the API, not the API endpoint. ## Primary URLs - https://rywalker.com/ - https://rywalker.com/about - https://rywalker.com/contact - https://rywalker.com/privacy - https://rywalker.com/projects - https://rywalker.com/research ## Developer resources - https://rywalker.com/developers - https://rywalker.com/openapi.json - https://rywalker.com/agent-instructions.txt - https://rywalker.com/ai.txt ## Content Index - https://rywalker.com/sitemap.xml - https://rywalker.com/feed.xml ## Contact - ry@rywalker.com