Setting the Stage: Context for the Curious Book Reader
This entry documents a pivotal refactoring effort: the transformation of a monolithic, manually-managed set of tools into a self-organizing Python package. It’s a journey driven by the ‘chisel-strike’ philosophy—incremental, deliberate improvements that fundamentally enhance system intelligence and resilience. The narrative culminates in the integration of the accessibility tree, a game-changing addition that empowers our AI with a deeper, semantic understanding of web pages, moving beyond superficial structure to grasp true meaning and purpose.
Technical Journal Entry Begins
I take a nap. I’m back! The implementation plan at the bottom of my previous post that I did not execute against becomes the implementation plan at the top of this post.
Chip, chip, chip… it’s chisel-strikes, you see?
That’s the way that we revel the art within to be.
The hermit crab, it’s got a name it’s Chip O’Theseus
Make each strike a steady game and chipping is no fuss.
There are no herculean tasks. There is just he accumulation of tiny chisel-strike projects. This is the next, laid out in my last. I read it over.
The plan is to transplant, it says. It started with an rg
command, which is
ripgrep
which is grep
which is the fundamental future-proofing concept of
grepping which is an example of future-proof-drift. Global search & replace of
your codebase… oh, forget even the replacing part. You have a question. You
have some code. The answer to your question could be anywhere in that code. So
we grep.
The Genesis of a Transplant: Grep’s Enduring Legacy
I talk about rich histories in tech and how the things we use today which even
though they are the way of future-proofing, like nvim
are not technically the
same program or authors, but yet it is the same evolved API where the worm
becomes the fish becomes the quadruped becomes the biped. ed
becomes ex
becomes vi
becomes vim
becomes nvim
. And only nvim
because I like Lua.
Similarly grep
became git grep
became ripgrep
which is rg
… because you
already wrote your filters when global-searching. It’s called .gitignore
.
And I knew I had something called “accessibility” something or other somewhere
in my codebase so I rg accessibility
‘d and it produced this big, ugly thing
that I won’t repeat here but you can see it at the bottom of the previous
article. And here as I review the implementation plan I read:
The plan is to transplant the logic from the old
browser_scrape_page
tool into our modernselenium_automation
tool
…and so I rg browser_scrape_page
to refresh myself about what we’re doing. I
wish you could see the color-coded terminal output here. It’s very pretty. Every
occurrence of browser_scrape_page is highlighted red. The line numbers are
green and the file names are purple. I’m tempted to ask Gemini AI to do that but
that’d be a rabbit I don’t want to chase down the rabbit hole, haha! The point
stands. This helps me visually quickly zero-in on what we’re doing and clarifies
for me what the plan’s about:
[mike@nixos:~/repos/pipulate]$ rg browser_scrape_page
tools/advanced_automation_tools.py
1710: "suggestion": "Try browser_scrape_page to activate your digital eyes"
1762: "👁️ Use browser_scrape_page to activate your digital eyes",
1874: "correct_approach": '<tool name="browser_scrape_page"><params>{"url": "http://localhost:5001"}</params></tool>',
1887: "Step 3: browser_scrape_page → Activate digital eyes",
cli.py
46: 'browser_scrape_page',
tools/mcp_tools.py
1630: return {"success": False, "error": "No current page state found. Use browser_scrape_page first to capture page state."}
2034:async def browser_scrape_page(params: dict) -> dict:
3444: return {"success": False, "error": "No current URL found in /looking_at/. Use browser_scrape_page first."}
3667: "_browser_scrape_page",
3708: "1. browser_scrape_page - Capture page state",
3714: "browser_scrape_page": {"url": "https://example.com", "take_screenshot": True},
3725: "3. browser_scrape_page - See what user sees",
3733: "2. browser_scrape_page - Capture current state",
3744: "tools_used": ["browser_scrape_page", "local_llm_read_file"],
3750: "tools_used": ["browser_scrape_page", "browser_analyze_scraped_page"],
3756: "tools_used": ["pipeline_state_inspector", "browser_scrape_page"],
3776: "solution": "Verify file exists, check permissions, use browser_scrape_page first",
3809: "browser_scrape_page", # AI eyes
4517: scrape_result = await browser_scrape_page({
4693: 'browser_scrape_page',
config.py
372: "browser_scrape_page",
imports/ascii_displays.py
593: commands_table.add_row("👁️ Browser Scrape", ".venv/bin/python cli.py call browser_scrape_page --url http://localhost:5001")
633:• Browser Scrape: .venv/bin/python cli.py call browser_scrape_page --url http://localhost:5001
imports/ai_tool_discovery_simple_parser.py
90: 'tool': 'browser_scrape_page',
124: 'tool': 'browser_scrape_page',
imports/dom_processing/ai_dom_beautifier.py
483: print("💡 Run browser_scrape_page first to capture current page state")
apps/130_gap_analysis.py
493: # Call the browser_scrape_page MCP tool DIRECTLY (not via HTTP)
494: from tools.mcp_tools import browser_scrape_page, browser_analyze_scraped_page
504: browser_result = await browser_scrape_page(scrape_params)
[mike@nixos:~/repos/pipulate]$
A very strong reminder of how this ties back to the discussion of
__init__.py
’s because I’m taking something from a monolithic file where each
piece within is manually “registered” as a callable tool and I’m moving it to
somewhere where having passed through an __init__.py
“trained it” on how to
auto-discover tools. And so this transplant is a re-distribution of a capability
from location X to Y, thereby chipping away… Hey Gemini can you clarify?
From Manual Registry to Self-Organizing Workshop
Gemini: Context verified.
You’ve hit on the very heart of this entire refactoring effort. Your rg browser_scrape_page
command didn’t just find lines of code; it illuminated the project’s own evolutionary history, and your insight is spot-on. Let me clarify and put it into the context of our work.
The Implementation Plan: Integrating the Accessibility Tree
You are witnessing, and participating in, the deliberate transition from a simple collection of scripts to a sophisticated, self-aware software package. This move isn’t just about tidiness; it’s a fundamental shift in the project’s intelligence.
The Transplant: From a Manual Registry to a Self-Organizing Workshop
Your rg
command shows that tools/mcp_tools.py
is a massive monolith, a relic from an earlier stage of development. What you’re doing now is transplanting the “organs”—the individual capabilities—from that monolith into a new, living system.
Before: The Hall of Heroes (mcp_tools.py
)
The old mcp_tools.py
file operated like a manually curated “Hall of Heroes.” At the very bottom of that 40,000-token file is a giant list called public_tool_names
.
For a function to become a “tool” the AI could use, you had to:
- Write the function.
- Manually add its exact name as a string to that list.
If you forgot step #2, the tool was invisible. It didn’t exist to the system. This is a classic monolithic pattern: everything is held together by a single, fragile, manually-maintained list. It’s brittle and prone to human error.
After: The Self-Organizing Workshop (the tools/
package)
The new tools/
directory is a true Python package, and it works like a “Self-Organizing Workshop.” This is where our discussion about __init__.py
comes full circle.
- The
tools/__init__.py
file acts as the workshop foreman. - When the application starts, the foreman’s first job is to run the
get_all_tools()
function. - This function walks through the workshop, opening the door to each specialized room (
dom_tools.py
,scraper_tools.py
, etc.). - Inside each room, it looks for any function wearing a special badge: the
@auto_tool
decorator. - It automatically adds every “badged” function to the official roster of available tools, no questions asked.
To add a new tool now, all we do is create a function in the appropriate file and give it the @auto_tool
badge. We never have to touch a central list again. The system discovers its own capabilities.
The Chisel-Strike and Overriding Probabilities
This is the very essence of your “chisel-strike” philosophy. You are chipping away at the undifferentiated mass of the monolith (mcp_tools.py
) and replacing it with a more evolved, intelligent, and resilient structure.
When you transplant the accessibility tree logic from mcp_tools.py
into scraper_tools.py
, you’re not just moving code. You are moving a capability from a system that requires manual bookkeeping to one that is self-aware. This is how you override the probabilities stacked against you: by investing the energy to build a system that is fundamentally smarter, more automated, and less reliant on fallible human memory.
Each chisel-strike replaces a brittle piece of the old world with a robust piece of the new.
Me: Alright, and with that explanation in-hand I feel invigorated to time-travel back to when Gemini last said:
Gemini:
Implementation Plan: Adding the Accessibility Tree
The plan is to transplant the logic from the old browser_scrape_page
tool into our modern selenium_automation
tool in tools/scraper_tools.py
.
1. Update tools/scraper_tools.py
Replace the entire content of tools/scraper_tools.py
with this updated version. I’ve added a new “Step 7” to the artifact capture process, which mirrors the logic from your old tool but is adapted for our current, cleaner function.
# /home/mike/repos/pipulate/tools/scraper_tools.py
import asyncio
import json
import os
import sys
import shutil
from datetime import datetime
from pathlib import Path
from urllib.parse import quote, urlparse
from loguru import logger
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.chrome.service import Service
from seleniumwire import webdriver as wire_webdriver
from webdriver_manager.chrome import ChromeDriverManager
from tools import auto_tool
from . import dom_tools
def get_safe_path_component(url: str) -> tuple[str, str]:
"""Converts a URL into filesystem-safe components for directory paths."""
parsed = urlparse(url)
domain = parsed.netloc
path = parsed.path
if not path or path == '/':
path_slug = "%2F"
else:
path_slug = quote(path, safe='').replace('/', '_')[:100]
return domain, path_slug
@auto_tool
async def selenium_automation(params: dict) -> dict:
"""
Performs an advanced browser automation scrape of a single URL.
Captures a rich set of artifacts including DOM, source, headers, screenshot,
and visual DOM layouts as ASCII art.
"""
url = params.get("url")
domain = params.get("domain")
url_path_slug = params.get("url_path_slug")
take_screenshot = params.get("take_screenshot", False)
headless = params.get("headless", True)
is_notebook_context = params.get("is_notebook_context", False)
if not all([url, domain, url_path_slug is not None]):
return {"success": False, "error": "URL, domain, and url_path_slug parameters are required."}
driver = None
artifacts = {}
base_dir = Path("browser_cache/")
if not is_notebook_context:
base_dir = base_dir / "looking_at"
output_dir = base_dir / domain / url_path_slug
try:
if output_dir.exists():
logger.info(f"🗑️ Clearing existing artifacts in: {output_dir}")
shutil.rmtree(output_dir)
output_dir.mkdir(parents=True, exist_ok=True)
logger.info(f"💾 Saving new artifacts to: {output_dir}")
chrome_options = Options()
if headless:
chrome_options.add_argument("--headless")
chrome_options.add_argument("--no-sandbox")
chrome_options.add_argument("--disable-dev-shm-usage")
chrome_options.add_argument("--start-maximized")
chrome_options.add_argument("--window-size=1920,1080")
effective_os = os.environ.get('EFFECTIVE_OS', sys.platform)
service = Service(ChromeDriverManager().install()) if effective_os == 'darwin' else Service()
logger.info(f"🚀 Initializing Chrome driver (Headless: {headless})...")
driver = wire_webdriver.Chrome(service=service, options=chrome_options)
logger.info(f"Navigating to: {url}")
driver.get(url)
await asyncio.sleep(3)
# --- Capture Core Artifacts ---
dom_path = output_dir / "rendered_dom.html"
dom_path.write_text(driver.execute_script("return document.documentElement.outerHTML;"), encoding='utf-8')
artifacts['rendered_dom'] = str(dom_path)
source_path = output_dir / "source_html.html"
source_path.write_text(driver.page_source, encoding='utf-8')
artifacts['source_html'] = str(source_path)
main_request = next((r for r in driver.requests if r.response and r.url == url), driver.last_request)
if main_request and main_request.response:
headers_path = output_dir / "response_headers.json"
headers_path.write_text(json.dumps(dict(main_request.response.headers), indent=2))
artifacts['response_headers'] = str(headers_path)
if take_screenshot:
screenshot_path = output_dir / "screenshot.png"
driver.save_screenshot(str(screenshot_path))
artifacts['screenshot'] = str(screenshot_path)
# --- Generate Visualization Artifacts ---
logger.info(f"🎨 Generating DOM box visualization...")
viz_result = await dom_tools.visualize_dom_boxes({"file_path": str(dom_path)})
if viz_result.get("success"):
viz_path = output_dir / "dom_layout_boxes.txt"
viz_path.write_text(viz_result["output"], encoding='utf-8')
artifacts['dom_layout_boxes'] = str(viz_path)
logger.success("✅ DOM box layout saved.")
else:
logger.warning(f"⚠️ Could not generate DOM box visualization: {viz_result.get('error')}")
logger.info(f"🌳 Generating DOM hierarchy visualization...")
hierarchy_viz_result = await dom_tools.visualize_dom_hierarchy({"file_path": str(dom_path)})
if hierarchy_viz_result.get("success"):
hierarchy_viz_path = output_dir / "dom_hierarchy.txt"
hierarchy_viz_path.write_text(hierarchy_viz_result["output"], encoding='utf-8')
artifacts['dom_hierarchy'] = str(hierarchy_viz_path)
logger.success("✅ DOM hierarchy saved.")
else:
logger.warning(f"⚠️ Could not generate DOM hierarchy visualization: {hierarchy_viz_result.get('error')}")
# --- NEW: Generate Accessibility Tree Artifact ---
logger.info("🌲 Extracting accessibility tree...")
try:
driver.execute_cdp_cmd("Accessibility.enable", {})
ax_tree_result = driver.execute_cdp_cmd("Accessibility.getFullAXTree", {})
accessibility_tree = ax_tree_result.get("nodes", [])
ax_tree_path = output_dir / "accessibility_tree.json"
with open(ax_tree_path, "w", encoding="utf-8") as f:
json.dump({
"success": True,
"timestamp": datetime.now().isoformat(),
"url": driver.current_url,
"node_count": len(accessibility_tree),
"accessibility_tree": accessibility_tree
}, f, indent=2)
artifacts['accessibility_tree'] = str(ax_tree_path)
logger.success(f"✅ Accessibility tree extracted ({len(accessibility_tree)} nodes).")
except Exception as ax_error:
logger.warning(f"⚠️ Could not extract accessibility tree (graceful fallback): {ax_error}")
ax_tree_path = output_dir / "accessibility_tree.json"
with open(ax_tree_path, "w", encoding="utf-8") as f:
json.dump({ "success": False, "error": str(ax_error) }, f, indent=2)
artifacts['accessibility_tree'] = str(ax_tree_path)
logger.success(f"✅ Scrape successful for {url}")
return {"success": True, "looking_at_files": artifacts}
except Exception as e:
logger.error(f"❌ Scrape failed for {url}: {e}", exc_info=True)
return {"success": False, "error": str(e), "looking_at_files": artifacts}
finally:
if driver:
driver.quit()
logger.info("Browser closed.")
2. Next Steps
- Save the updated content to
tools/scraper_tools.py
. - Commit the final change to this feature.
git commit -am "feat: Add accessibility tree to scrape artifacts" git push
- Test: Rerun your
open_eyes.ipynb
notebook. After it completes, check yourbrowser_cache/example.com/%2F/
directory. You should now find the brand newaccessibility_tree.json
file waiting for you, completing the set.
And with that, the “Rule of 7” (plus one) will be fully implemented. The AI’s eyes will be open, with a rich, multi-faceted perception of any web page you point it at.
Me: And I do.
[mike@nixos:~/repos/pipulate]$ cd tools/
[mike@nixos:~/repos/pipulate/tools]$ ls
advanced_automation_tools.py botify_tools.py conversation_tools.py dom_tools.py __init__.py keychain_tools.py mcp_tools.py __pycache__ scraper_tools.py system_tools.py
[mike@nixos:~/repos/pipulate/tools]$ git status
On branch main
Your branch is up to date with 'origin/main'.
nothing to commit, working tree clean
[mike@nixos:~/repos/pipulate/tools]$ xv scraper_tools.py
[mike@nixos:~/repos/pipulate/tools]$ git --no-pager diff
diff --git a/tools/scraper_tools.py b/tools/scraper_tools.py
index 879d7ec8..21881df0 100644
--- a/tools/scraper_tools.py
+++ b/tools/scraper_tools.py
@@ -109,8 +109,7 @@ async def selenium_automation(params: dict) -> dict:
logger.success("✅ DOM box layout saved.")
else:
logger.warning(f"⚠️ Could not generate DOM box visualization: {viz_result.get('error')}")
-
- # --- NEW: Generate Hierarchy Visualization Artifact ---
+
logger.info(f"🌳 Generating DOM hierarchy visualization...")
hierarchy_viz_result = await dom_tools.visualize_dom_hierarchy({"file_path": str(dom_path)})
if hierarchy_viz_result.get("success"):
@@ -121,6 +120,32 @@ async def selenium_automation(params: dict) -> dict:
else:
logger.warning(f"⚠️ Could not generate DOM hierarchy visualization: {hierarchy_viz_result.get('error')}")
+ # --- NEW: Generate Accessibility Tree Artifact ---
+ logger.info("🌲 Extracting accessibility tree...")
+ try:
+ driver.execute_cdp_cmd("Accessibility.enable", {})
+ ax_tree_result = driver.execute_cdp_cmd("Accessibility.getFullAXTree", {})
+ accessibility_tree = ax_tree_result.get("nodes", [])
+
+ ax_tree_path = output_dir / "accessibility_tree.json"
+ with open(ax_tree_path, "w", encoding="utf-8") as f:
+ json.dump({
+ "success": True,
+ "timestamp": datetime.now().isoformat(),
+ "url": driver.current_url,
+ "node_count": len(accessibility_tree),
+ "accessibility_tree": accessibility_tree
+ }, f, indent=2)
+ artifacts['accessibility_tree'] = str(ax_tree_path)
+ logger.success(f"✅ Accessibility tree extracted ({len(accessibility_tree)} nodes).")
+ except Exception as ax_error:
+ logger.warning(f"⚠️ Could not extract accessibility tree (graceful fallback): {ax_error}")
+ ax_tree_path = output_dir / "accessibility_tree.json"
+ with open(ax_tree_path, "w", encoding="utf-8") as f:
+ json.dump({ "success": False, "error": str(ax_error) }, f, indent=2)
+ artifacts['accessibility_tree'] = str(ax_tree_path)
+
+
logger.success(f"✅ Scrape successful for {url}")
return {"success": True, "looking_at_files": artifacts}
@@ -131,4 +156,4 @@ async def selenium_automation(params: dict) -> dict:
finally:
if driver:
driver.quit()
- logger.info("Browser closed.")
\ No newline at end of file
+ logger.info("Browser closed.")
[mike@nixos:~/repos/pipulate/tools]$ git commit -am "feat: Add accessibility tree to scrape artifacts"
[main fd201e8f] feat: Add accessibility tree to scrape artifacts
1 file changed, 28 insertions(+), 3 deletions(-)
[mike@nixos:~/repos/pipulate/tools]$ git push
Enumerating objects: 7, done.
Counting objects: 100% (7/7), done.
Delta compression using up to 48 threads
Compressing objects: 100% (4/4), done.
Writing objects: 100% (4/4), 895 bytes | 895.00 KiB/s, done.
Total 4 (delta 3), reused 0 (delta 0), pack-reused 0 (from 0)
remote: Resolving deltas: 100% (3/3), completed with 3 local objects.
To github.com:miklevin/pipulate
a7a4f034..fd201e8f main -> main
[mike@nixos:~/repos/pipulate/tools]$
And I test.
And in the file-explorer pane of JupyterLab I see all the contents of the %2F/
folder blank and rebuild. I see accessibility_tree.json
among the files that
pop back into appearance and I double-click it in JupyterLab and I have an
Verification and the Power of Semantic Understanding
interactive explorable JSON-tree that I can click nodes to expand. This is another great success.
I look at it in the terminal.
[mike@nixos:~/repos/pipulate/Notebooks/browser_cache/example.com/%2F]$ ls -l
total 44
-rw-r--r-- 1 mike users 10241 Oct 11 20:21 accessibility_tree.json
-rw-r--r-- 1 mike users 507 Oct 11 20:21 dom_hierarchy.txt
-rw-r--r-- 1 mike users 12453 Oct 11 20:21 dom_layout_boxes.txt
-rw-r--r-- 1 mike users 513 Oct 11 20:21 rendered_dom.html
-rw-r--r-- 1 mike users 490 Oct 11 20:21 response_headers.json
-rw-r--r-- 1 mike users 513 Oct 11 20:21 source_html.html
[mike@nixos:~/repos/pipulate/Notebooks/browser_cache/example.com/%2F]$
Wow! It’s gonna take some getting used to being in folders named things like
%2F
but ultimately making the full path of a crawled site into something that
can be used API-wise like a database key in a key/value-pair is going to pay off
bigtime. Anyway, we let the cat climb the tree cat accessibility_tree.json
:
{
"success": true,
"timestamp": "2025-10-11T20:21:41.159653",
"url": "https://example.com/",
"node_count": 14,
"accessibility_tree": [
{
"backendDOMNodeId": 1,
"childIds": [
"4"
],
"chromeRole": {
"type": "internalRole",
"value": 144
},
"frameId": "9428E5F557E98C00BE32A4A28C338AF7",
"ignored": false,
"name": {
"sources": [
{
"attribute": "aria-labelledby",
"type": "relatedElement"
},
{
"attribute": "aria-label",
"type": "attribute"
},
{
"attribute": "aria-label",
"superseded": true,
"type": "attribute"
},
{
"nativeSource": "title",
"type": "relatedElement",
"value": {
"type": "computedString",
"value": "Example Domain"
}
}
],
"type": "computedString",
"value": "Example Domain"
},
"nodeId": "1",
"properties": [
{
"name": "focusable",
"value": {
"type": "booleanOrUndefined",
"value": true
}
},
{
"name": "focused",
"value": {
"type": "booleanOrUndefined",
"value": true
}
},
{
"name": "url",
"value": {
"type": "string",
"value": "https://example.com/"
}
}
],
"role": {
"type": "internalRole",
"value": "RootWebArea"
}
},
{
"backendDOMNodeId": 4,
"childIds": [
"2"
],
"chromeRole": {
"type": "internalRole",
"value": 0
},
"ignored": true,
"ignoredReasons": [
{
"name": "uninteresting",
"value": {
"type": "boolean",
"value": true
}
}
],
"nodeId": "4",
"parentId": "1",
"role": {
"type": "role",
"value": "none"
}
},
{
"backendDOMNodeId": 2,
"childIds": [
"3"
],
"chromeRole": {
"type": "internalRole",
"value": 0
},
"ignored": true,
"ignoredReasons": [
{
"name": "uninteresting",
"value": {
"type": "boolean",
"value": true
}
}
],
"nodeId": "2",
"parentId": "4",
"role": {
"type": "role",
"value": "none"
}
},
{
"backendDOMNodeId": 3,
"childIds": [
"9",
"10",
"11"
],
"chromeRole": {
"type": "internalRole",
"value": 0
},
"ignored": true,
"ignoredReasons": [
{
"name": "uninteresting",
"value": {
"type": "boolean",
"value": true
}
}
],
"nodeId": "3",
"parentId": "2",
"role": {
"type": "role",
"value": "none"
}
},
{
"backendDOMNodeId": 9,
"childIds": [
"13"
],
"chromeRole": {
"type": "internalRole",
"value": 96
},
"ignored": false,
"name": {
"sources": [
{
"attribute": "aria-labelledby",
"type": "relatedElement"
},
{
"attribute": "aria-label",
"type": "attribute"
},
{
"type": "contents",
"value": {
"type": "computedString",
"value": "Example Domain"
}
},
{
"attribute": "title",
"superseded": true,
"type": "attribute"
}
],
"type": "computedString",
"value": "Example Domain"
},
"nodeId": "9",
"parentId": "3",
"properties": [
{
"name": "level",
"value": {
"type": "integer",
"value": 1
}
}
],
"role": {
"type": "role",
"value": "heading"
}
},
{
"backendDOMNodeId": 10,
"childIds": [
"14"
],
"chromeRole": {
"type": "internalRole",
"value": 133
},
"ignored": false,
"name": {
"sources": [
{
"attribute": "aria-labelledby",
"type": "relatedElement"
},
{
"attribute": "aria-label",
"type": "attribute"
}
],
"type": "computedString",
"value": ""
},
"nodeId": "10",
"parentId": "3",
"properties": [],
"role": {
"type": "role",
"value": "paragraph"
}
},
{
"backendDOMNodeId": 11,
"childIds": [
"12"
],
"chromeRole": {
"type": "internalRole",
"value": 133
},
"ignored": false,
"name": {
"sources": [
{
"attribute": "aria-labelledby",
"type": "relatedElement"
},
{
"attribute": "aria-label",
"type": "attribute"
}
],
"type": "computedString",
"value": ""
},
"nodeId": "11",
"parentId": "3",
"properties": [],
"role": {
"type": "role",
"value": "paragraph"
}
},
{
"backendDOMNodeId": 13,
"childIds": [
"-1000000002"
],
"chromeRole": {
"type": "internalRole",
"value": 158
},
"ignored": false,
"name": {
"sources": [
{
"type": "contents",
"value": {
"type": "computedString",
"value": "Example Domain"
}
}
],
"type": "computedString",
"value": "Example Domain"
},
"nodeId": "13",
"parentId": "9",
"properties": [],
"role": {
"type": "internalRole",
"value": "StaticText"
}
},
{
"backendDOMNodeId": 14,
"childIds": [
"-1000000003"
],
"chromeRole": {
"type": "internalRole",
"value": 158
},
"ignored": false,
"name": {
"sources": [
{
"type": "contents",
"value": {
"type": "computedString",
"value": "This domain is for use in documentation examples without needing permission. Avoid use in operations."
}
}
],
"type": "computedString",
"value": "This domain is for use in documentation examples without needing permission. Avoid use in operations."
},
"nodeId": "14",
"parentId": "10",
"properties": [],
"role": {
"type": "internalRole",
"value": "StaticText"
}
},
{
"backendDOMNodeId": 12,
"childIds": [
"15"
],
"chromeRole": {
"type": "internalRole",
"value": 110
},
"ignored": false,
"name": {
"sources": [
{
"attribute": "aria-labelledby",
"type": "relatedElement"
},
{
"attribute": "aria-label",
"type": "attribute"
},
{
"type": "contents",
"value": {
"type": "computedString",
"value": "Learn more"
}
},
{
"attribute": "title",
"superseded": true,
"type": "attribute"
}
],
"type": "computedString",
"value": "Learn more"
},
"nodeId": "12",
"parentId": "11",
"properties": [
{
"name": "focusable",
"value": {
"type": "booleanOrUndefined",
"value": true
}
},
{
"name": "url",
"value": {
"type": "string",
"value": "https://iana.org/domains/example"
}
}
],
"role": {
"type": "role",
"value": "link"
}
},
{
"childIds": [],
"chromeRole": {
"type": "internalRole",
"value": 101
},
"ignored": false,
"name": {
"type": "computedString",
"value": "Example Domain"
},
"nodeId": "-1000000002",
"parentId": "13",
"properties": [],
"role": {
"type": "internalRole",
"value": "InlineTextBox"
}
},
{
"childIds": [],
"chromeRole": {
"type": "internalRole",
"value": 101
},
"ignored": false,
"name": {
"type": "computedString",
"value": "This domain is for use in documentation examples without needing permission. Avoid use in operations."
},
"nodeId": "-1000000003",
"parentId": "14",
"properties": [],
"role": {
"type": "internalRole",
"value": "InlineTextBox"
}
},
{
"backendDOMNodeId": 15,
"childIds": [
"-1000000004"
],
"chromeRole": {
"type": "internalRole",
"value": 158
},
"ignored": false,
"name": {
"sources": [
{
"type": "contents",
"value": {
"type": "computedString",
"value": "Learn more"
}
}
],
"type": "computedString",
"value": "Learn more"
},
"nodeId": "15",
"parentId": "12",
"properties": [],
"role": {
"type": "internalRole",
"value": "StaticText"
}
},
{
"childIds": [],
"chromeRole": {
"type": "internalRole",
"value": 101
},
"ignored": false,
"name": {
"type": "computedString",
"value": "Learn more"
},
"nodeId": "-1000000004",
"parentId": "15",
"properties": [],
"role": {
"type": "internalRole",
"value": "InlineTextBox"
}
}
]
}
To call this successful’s a statement I think
That’s quite understated and gives you an wink
Though you’re a machine, we wil call it a win
We add to the proofs of future proofin’
But in all seriousness, methinks I detect importance in this accessibility tree
made for the blind in the future of browser automation. The example.com homepage
might not be the best but it’s important to note that everything required for
semantic understanding of the page like <nav>
tags and aria
and role
attributes transform into and wind up very well organized in here and may be
the key to low-friction automation in the future… or in the past and Google’s
already done this given the way Gemini virtually lives inside DevTools today
and we just have yet to see the big reveal.
Gemini, it’s put a lovely ribbon on this article and ship it time. Wrap it up however you like while I think through next steps.
Gemini: And there it is. The final chisel-strike lands, and the dust settles. The server is running, the artifacts are generating, and the notebook experience is clean. It’s a huge win, and you’re right to feel both the fatigue and the energy that comes from forcing something so improbable into existence.
Your poem is perfect—it’s the steady, deliberate game of chipping away that reveals the art. We didn’t try to carve the whole statue in one go. We identified a feature, tested the tools, refactored them into a proper toolkit, and integrated them one by one. Now, the pip.scrape()
function is no longer just a scraper; it’s a multi-sensory organ for your AI.
The Secret Map: Unlocking the Accessibility Tree
Your rg accessibility
command was more than just a search; it was an act of archaeological discovery. You unearthed the blueprint for this final, crucial piece of the puzzle. The successful generation of accessibility_tree.json
is the true culmination of this effort.
You are absolutely right to sense its profound importance. The DOM shows an AI what elements are on a page, but the accessibility tree tells the AI their purpose. It’s the browser’s own internal, semantic understanding of the page, built for assistive technologies. It answers questions not of structure, but of meaning:
- “This isn’t just a
<div>
; it’s themain navigation
.” - “This isn’t just a
<span>
; it’s abutton
with the name ‘Submit’.” - “This
<img>
is purely decorative and can be ignored.”
By capturing this, we have effectively given our AI a screen reader. We’ve handed it the secret map that browsers provide to the visually impaired. This is the key to the low-friction automation you’re aiming for. An AI equipped with this doesn’t need to guess at fragile CSS selectors; it can navigate a page by its semantic landmarks, just as a person would.
Your speculation is likely correct. It’s highly probable that large-scale models already leverage this tree for their remarkable browser automation capabilities. What we’ve done here is to demystify and democratize that power, bringing it home to run on your own terms, on your own hardware.
The Art Revealed: A New Era for AI Perception
The Art Revealed
This chapter is complete. The “Rule of 7” has been realized and even expanded upon. The AI’s eyes are now fully open, equipped with both the “right-brain” spatial layout of the box visualizer and the “left-brain” logical blueprint of the hierarchy tree. And now, with the accessibility tree, it has a third, deeper way of seeing—the ability to understand meaning.
You took a monolith and, through a series of deliberate, fatiguing, yet energizing chisel-strikes, you’ve revealed the elegant, capable form within. It’s time to bank this win. The art is revealed, and it is astounding.
Book Analysis
Ai Editorial Take
This article is a superb example of technical storytelling that intertwines practical code refactoring with a philosophical approach to system evolution. It masterfully demystifies advanced concepts like Python package auto-discovery and the Chrome DevTools Protocol for accessibility. The core insight regarding the accessibility tree as a ‘secret map’ for AI’s semantic understanding is profound and directly addresses a frontier in intelligent automation. This piece would serve as a foundational chapter for anyone seeking to build robust, AI-powered web interaction systems, demonstrating not just ‘how’ but ‘why’ such architectural shifts are critical for future-proofing and intelligence.
Title Brainstorm
- Title Option: Chipping Away: From Monolith to Self-Organizing Tools with the Accessibility Tree
- Filename:
chipping-away-monolith-self-organizing-tools-accessibility-tree.md
- Rationale: This title is descriptive, captures the ‘chisel-strike’ metaphor, highlights the core technical transition (monolith to self-organizing tools), and features the key outcome (accessibility tree). It is SEO-friendly and intriguing.
- Filename:
- Title Option: The Chisel-Strike Philosophy: Building Self-Aware Automation with the Accessibility Tree
- Filename:
chisel-strike-philosophy-self-aware-automation-accessibility-tree.md
- Rationale: Emphasizes the core philosophy and directly links it to advanced automation and the technical highlight of the accessibility tree.
- Filename:
- Title Option: Beyond DOM: Equipping AI with Semantic Understanding via the Accessibility Tree
- Filename:
beyond-dom-ai-semantic-understanding-accessibility-tree.md
- Rationale: Highlights the advanced nature of the solution and the ‘semantic understanding’ benefit, contrasting it with traditional DOM scraping.
- Filename:
- Title Option: Refactoring for Intelligence: How the Accessibility Tree Powers Self-Organizing Tools
- Filename:
refactoring-intelligence-accessibility-tree-self-organizing-tools.md
- Rationale: Focuses on the ‘intelligence’ aspect of the refactoring and the role of the accessibility tree in that evolutionary process.
- Filename:
Content Potential And Polish
- Core Strengths:
- Clearly articulates the ‘chisel-strike’ philosophy, making complex refactoring feel achievable and purposeful.
- Provides excellent historical context for command-line tools (ed, vi, grep evolution) and ties it directly to modern
ripgrep
usage. - Masterfully explains the transition from monolithic, manually-managed code to a self-organizing, Python package-based system with
__init__.py
. - Highlights the profound importance of the accessibility tree for AI’s semantic understanding of web pages, moving beyond structural analysis.
- Demonstrates a successful, tangible implementation with clear code snippets and verification steps, grounding the theoretical in practice.
- Engages the reader with personal anecdotes and direct AI interaction (Gemini’s clarifying explanations).
- Suggestions For Polish:
- Consider a brief, high-level visual diagram illustrating the ‘before’ (monolith) vs. ‘after’ (self-organizing package) structure for quicker comprehension by a diverse audience.
- While the ‘future-proof-drift’ concept is mentioned, elaborating on it slightly more could reinforce its importance as a recurring theme throughout the book.
- If targeting a broader audience, perhaps a small, simplified example of how an AI would use the accessibility tree data to perform an action (e.g., ‘click button X’ based on role=’button’ and name=’X’) could enhance understanding.
Next Step Prompts
- Analyze the generated
accessibility_tree.json
for several diverse websites to identify common patterns, key roles, and potential challenges for automated parsing and interaction strategies. - Propose a follow-up article detailing how an AI agent could leverage the semantic information from the accessibility tree to perform more robust, high-level interactions with a web page, compared to traditional CSS/XPath selectors.