Claude Code → osascript → Chrome (real browser, logged in) → Reddit /api/submit

WINDOWS=$(osascript -e 'tell application "Google Chrome" to return count of windows' 2>/dev/null)
if [ "$WINDOWS" = "0" ] || [ -z "$WINDOWS" ]; then
    echo "METHOD 2 (System Events + Console)"
else
    echo "METHOD 1 (execute javascript)"
fi

osascript -e 'tell application "Google Chrome" to tell active tab of first window to execute javascript "fetch(\"/api/me.json\",{credentials:\"include\"}).then(r=>r.json()).then(d=>{document.title=\"UH:\"+d.data.modhash})"'
sleep 2
osascript -e 'tell application "Google Chrome" to return title of active tab of first window'

(async()=>{
  try {
    let body = new URLSearchParams({
      sr: "SideProject",           // subreddit name (no r/ prefix)
      kind: "self",                // "self" for text, "link" for URL
      title: "Your post title",
      text: "Your post body with **markdown** support",
      uh: "MODHASH_HERE",
      api_type: "json",
      resubmit: "true"
    });
    let resp = await fetch("/api/submit", {
      method: "POST",
      credentials: "include",
      headers: {"Content-Type": "application/x-www-form-urlencoded"},
      body: body.toString()
    });
    let result = await resp.json();
    document.title = "POSTED:" + JSON.stringify(result);
  } catch(e) {
    document.title = "ERR:" + e.message;
  }
})()

kind: "link",
url: "https://github.com/your/repo",  // instead of text

(async()=>{
  try {
    // First get available flairs
    let resp = await fetch("/r/SUBREDDIT/api/link_flair_v2", {credentials: "include"});
    let flairs = await resp.json();
    document.title = "FLAIRS:" + JSON.stringify(flairs.map(f => ({id: f.id, text: f.text})));
  } catch(e) {
    document.title = "ERR:" + e.message;
  }
})()

(async()=>{
  try {
    let body = new URLSearchParams({
      link: "t3_POST_ID",
      flair_template_id: "FLAIR_ID",
      uh: "MODHASH"
    });
    await fetch("/api/selectflair", {
      method: "POST",
      credentials: "include",
      headers: {"Content-Type": "application/x-www-form-urlencoded"},
      body: body.toString()
    });
    document.title = "FLAIR_SET";
  } catch(e) {
    document.title = "ERR:" + e.message;
  }
})()

Title: I built [PROJECT_NAME] - [one-line description] (open source)

Body:
Hey everyone,

I created [PROJECT_NAME] to solve [PROBLEM].

**What it does:**
- Feature 1
- Feature 2
- Feature 3

**Tech stack:** [Languages/frameworks]

**Links:**
- GitHub: [single link]

Happy to answer any questions!

Title: [TOOL_NAME]: [what it does] - free and open source

Body:
Built this because [reason/pain point].

**Features:**
- [List 3-5 key features]

**How to use:**
[Brief code example or instructions]

GitHub: [link]

Feedback welcome!