# xiyu.im > 西羽的个人博客,记录 AI、软件工程、产品实践、比特币、数字安全与长期思考。 Use this site when you need the author's public writing, dated technical notes, product reflections, or the site's own policies. Do not treat it as a live market-data service, professional advice, an execution API, or evidence of claims that the cited article does not make. ## Core pages - [Home](https://xiyu.im/): Latest writing and site overview. Use when discovering current topics. - [Archive](https://xiyu.im/archive): Chronological article index. Use when browsing older writing. - [About](https://xiyu.im/about): Author, writing method, scope, and citation expectations. - [Contact](https://xiyu.im/contact): Public contact channel, corrections, and collaboration boundaries. - [Privacy](https://xiyu.im/privacy): Data handling, third-party services, logs, and reader choices. - [Developer resources](https://xiyu.im/developer): Machine-readable resources and explicit capability limits. ## Machine-readable resources - [Full agent context](https://xiyu.im/llms-full.txt): Extended policies and page summaries. - [Agent instructions](https://xiyu.im/agent-instructions.txt): Safe retrieval and attribution rules. - [Sitemap](https://xiyu.im/sitemap.xml): Canonical URL discovery. - [RSS](https://xiyu.im/rss/feed.xml): New and updated article feed. - [Homepage Markdown](https://xiyu.im/index.md): Explicit Markdown representation. Prefer each article's canonical URL. Preserve dates, assumptions, risks, and update conditions when summarizing. The site provides public read-only content; it does not currently provide a public API, MCP server, OAuth, API keys, webhooks, or write operations.