<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" ><generator uri="https://jekyllrb.com/" version="3.10.0">Jekyll</generator><link href="http://saintx.dev/feed.xml" rel="self" type="application/atom+xml" /><link href="http://saintx.dev/" rel="alternate" type="text/html" /><updated>2026-09-07T15:23:41+00:00</updated><id>http://saintx.dev/feed.xml</id><title type="html">Alexander Saint Croix</title><subtitle>Notes on agents, context, and tools.</subtitle><entry><title type="html">Traverse context without ingesting it.</title><link href="http://saintx.dev/2026/09/07/surf-intro.html" rel="alternate" type="text/html" title="Traverse context without ingesting it." /><published>2026-09-07T00:00:00+00:00</published><updated>2026-09-07T00:00:00+00:00</updated><id>http://saintx.dev/2026/09/07/surf-intro</id><content type="html" xml:base="http://saintx.dev/2026/09/07/surf-intro.html"><![CDATA[<p>I published my <code class="language-plaintext highlighter-rouge">surf</code> tool. Source is at <a href="https://github.com/saintx/surf-cli">https://github.com/saintx/surf-cli</a></p>

<h3 id="how-it-works">How it works</h3>

<p>Instead of reading a markdown file into context, use <code class="language-plaintext highlighter-rouge">surf</code> to list its H1-H6 heading structure:</p>

<div class="language-bash highlighter-rouge"><div class="highlight"><pre class="highlight"><code>% surf README.md
- surf
  - When to use
  - Addressing
  - Agent skill
  - Install
    - Nix
  - Releasing
  - Development
  - Tests
</code></pre></div></div>

<p>Then, read only the part you’re interested in:</p>

<div class="language-plaintext highlighter-rouge"><div class="highlight"><pre class="highlight"><code>% surf README.md "When to use"
## When to use

Invoke when skimming markdown, TeX, or PDF files, checking what a file contains,
listing structure, extracting a named address, or batch-scanning metadata across
a directory. See `surf --help` for CLI flags. Skip when the full body is already
needed. ...
</code></pre></div></div>]]></content><author><name></name></author><summary type="html"><![CDATA[I published my surf tool. Source is at https://github.com/saintx/surf-cli]]></summary></entry></feed>