# Coldstart.dev > Coldstart.dev is Marek Kuczynski's public cloud-security portfolio and curated cloud, security, infrastructure, and platform engineering blog reader. Coldstart.dev is Marek Kuczynski's public portfolio and cloud-security reading site. It provides a small read-only article extraction API for a fixed list of supported publishers, with a machine-readable contract at /openapi.json. It has no API authentication, webhooks, SDK, or MCP server. Use the Markdown page representations and the links below to discover the public portfolio and reading stream. ## Site content - [Profile and work history](https://coldstart.dev/index.md): Career history, education, research, and public profiles for Marek Kuczynski. - [Cloud and security reading stream](https://coldstart.dev/blog/all.md): Guide to the curated blog reader and its source-linked categories. ## Developer resources - [Coldstart.dev Developer Resources](https://coldstart.dev/developer-resources.md): API usage, support boundaries, and machine-readable discovery links. - [Coldstart.dev OpenAPI Specification](https://coldstart.dev/openapi.json): The complete public read-only article extraction API contract. - [Robots policy](https://coldstart.dev/robots.txt): Crawler access policy. - [Sitemap](https://coldstart.dev/sitemap.txt): Public HTML URLs.