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    FifoCodeDev/README.md

    I build systems that investigate, verify and automate.

    AI-assisted tools for web intelligence, open-source research, digital risk and decision support.

    Turning fragmented public data into clear, traceable and useful decisions.

    PythonFastAPIPlaywrightOSINTAI Agents

    About Me

    I am an independent builder with a tax-audit background and an evidence-first approach to software.

    I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.

    • Investigate websites, organizations, online entities and digital assets
    • Verify claims against traceable sources and observable evidence
    • Automate repetitive research, browser and testing workflows
    • Productize the result as practical tools, dashboards and reports

    What I Build

    FocusWhat it means
    Web IntelligenceInspect websites for technical, content, UX and business signals
    Open-source ResearchOrganize public information into timelines, relationships and evidence
    Browser AutomationBuild repeatable inspection, testing and data-collection workflows
    Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
    Decision SupportTurn technical findings into prioritized, human-readable recommendations

    Current Direction — SiteLens

    My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.

    The MVP will:

    • capture desktop and mobile views with Playwright
    • check technical, SEO, accessibility and conversion signals
    • separate observable findings from AI interpretation
    • rank issues by impact and urgency
    • generate a report that business owners can understand

    Selected Work

    • exchange-api-test-framework
      Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.

    • X-Vision-Judgment-Day
      A lightweight Chrome extension that adds visual signals to X timelines and following lists.

    • Ethernaut-Solutions
      Smart-contract security study notes covering common vulnerability patterns and mitigations.

    Research Interests

    • AI-assisted OSINT and entity resolution
    • Agentic web QA and browser-based testing
    • Small-business website and market intelligence
    • On-chain relationship and fund-flow analysis
    • Evidence grading, source tracing and reproducible reports

    Working Principles

    • Evidence over claims
    • Deterministic checks before AI interpretation
    • Small, complete systems over oversized concept projects
    • Readable outputs for technical and non-technical users

    Tools

    Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git

    Build small. Verify everything. Ship evidence.

    Pinned Loading

    1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic

      Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

      JavaScript

    , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
     blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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      FifoCodeDev/README.md
      I build systems that investigate, verify and automate.
      AI-assisted tools for web intelligence, open-source research, digital risk and decision support.
      
Turning fragmented public data into clear, traceable and useful decisions.

      PythonFastAPIPlaywrightOSINTAI Agents
      About Me
      I am an independent builder with a tax-audit background and an evidence-first approach to software.
      I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.
      • Investigate websites, organizations, online entities and digital assets
      • Verify claims against traceable sources and observable evidence
      • Automate repetitive research, browser and testing workflows
      • Productize the result as practical tools, dashboards and reports
      What I Build
      FocusWhat it means
      Web IntelligenceInspect websites for technical, content, UX and business signals
      Open-source ResearchOrganize public information into timelines, relationships and evidence
      Browser AutomationBuild repeatable inspection, testing and data-collection workflows
      Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
      Decision SupportTurn technical findings into prioritized, human-readable recommendations
      Current Direction — SiteLens
      My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.
      The MVP will:
      • capture desktop and mobile views with Playwright
      • check technical, SEO, accessibility and conversion signals
      • separate observable findings from AI interpretation
      • rank issues by impact and urgency
      • generate a report that business owners can understand
      Selected Work
      • exchange-api-test-framework
        
Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.
      • X-Vision-Judgment-Day
        
A lightweight Chrome extension that adds visual signals to X timelines and following lists.
      • Ethernaut-Solutions
        
Smart-contract security study notes covering common vulnerability patterns and mitigations.
      Research Interests
      • AI-assisted OSINT and entity resolution
      • Agentic web QA and browser-based testing
      • Small-business website and market intelligence
      • On-chain relationship and fund-flow analysis
      • Evidence grading, source tracing and reproducible reports
      Working Principles
      • Evidence over claims
      • Deterministic checks before AI interpretation
      • Small, complete systems over oversized concept projects
      • Readable outputs for technical and non-technical users
      Tools
      Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git
      Build small. Verify everything. Ship evidence.
      
Pinned
Loading
      1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic
        
Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

        JavaScript
      
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

      Skip to content
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      1
follower
 · 0
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Block or report FifoCodeDev

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        Report abuse
        FifoCodeDev/README.md
        I build systems that investigate, verify and automate.
        AI-assisted tools for web intelligence, open-source research, digital risk and decision support.
        
Turning fragmented public data into clear, traceable and useful decisions.

        PythonFastAPIPlaywrightOSINTAI Agents
        About Me
        I am an independent builder with a tax-audit background and an evidence-first approach to software.
        I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.
        • Investigate websites, organizations, online entities and digital assets
        • Verify claims against traceable sources and observable evidence
        • Automate repetitive research, browser and testing workflows
        • Productize the result as practical tools, dashboards and reports
        What I Build
        FocusWhat it means
        Web IntelligenceInspect websites for technical, content, UX and business signals
        Open-source ResearchOrganize public information into timelines, relationships and evidence
        Browser AutomationBuild repeatable inspection, testing and data-collection workflows
        Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
        Decision SupportTurn technical findings into prioritized, human-readable recommendations
        Current Direction — SiteLens
        My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.
        The MVP will:
        • capture desktop and mobile views with Playwright
        • check technical, SEO, accessibility and conversion signals
        • separate observable findings from AI interpretation
        • rank issues by impact and urgency
        • generate a report that business owners can understand
        Selected Work
        • exchange-api-test-framework
          
Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.
        • X-Vision-Judgment-Day
          
A lightweight Chrome extension that adds visual signals to X timelines and following lists.
        • Ethernaut-Solutions
          
Smart-contract security study notes covering common vulnerability patterns and mitigations.
        Research Interests
        • AI-assisted OSINT and entity resolution
        • Agentic web QA and browser-based testing
        • Small-business website and market intelligence
        • On-chain relationship and fund-flow analysis
        • Evidence grading, source tracing and reproducible reports
        Working Principles
        • Evidence over claims
        • Deterministic checks before AI interpretation
        • Small, complete systems over oversized concept projects
        • Readable outputs for technical and non-technical users
        Tools
        Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git
        Build small. Verify everything. Ship evidence.
        
Pinned
Loading
        1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic
          
Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

          JavaScript
        
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

        Skip to content
        View FifoCodeDev's full-sized avatar
        1
follower
 · 0
following

          
Block or report FifoCodeDev

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          FifoCodeDev/README.md
          I build systems that investigate, verify and automate.
          AI-assisted tools for web intelligence, open-source research, digital risk and decision support.
          
Turning fragmented public data into clear, traceable and useful decisions.

          PythonFastAPIPlaywrightOSINTAI Agents
          About Me
          I am an independent builder with a tax-audit background and an evidence-first approach to software.
          I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.
          • Investigate websites, organizations, online entities and digital assets
          • Verify claims against traceable sources and observable evidence
          • Automate repetitive research, browser and testing workflows
          • Productize the result as practical tools, dashboards and reports
          What I Build
          FocusWhat it means
          Web IntelligenceInspect websites for technical, content, UX and business signals
          Open-source ResearchOrganize public information into timelines, relationships and evidence
          Browser AutomationBuild repeatable inspection, testing and data-collection workflows
          Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
          Decision SupportTurn technical findings into prioritized, human-readable recommendations
          Current Direction — SiteLens
          My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.
          The MVP will:
          • capture desktop and mobile views with Playwright
          • check technical, SEO, accessibility and conversion signals
          • separate observable findings from AI interpretation
          • rank issues by impact and urgency
          • generate a report that business owners can understand
          Selected Work
          • exchange-api-test-framework
            
Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.
          • X-Vision-Judgment-Day
            
A lightweight Chrome extension that adds visual signals to X timelines and following lists.
          • Ethernaut-Solutions
            
Smart-contract security study notes covering common vulnerability patterns and mitigations.
          Research Interests
          • AI-assisted OSINT and entity resolution
          • Agentic web QA and browser-based testing
          • Small-business website and market intelligence
          • On-chain relationship and fund-flow analysis
          • Evidence grading, source tracing and reproducible reports
          Working Principles
          • Evidence over claims
          • Deterministic checks before AI interpretation
          • Small, complete systems over oversized concept projects
          • Readable outputs for technical and non-technical users
          Tools
          Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git
          Build small. Verify everything. Ship evidence.
          
Pinned
Loading
          1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic
            
Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

            JavaScript
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

          Skip to content
          View FifoCodeDev's full-sized avatar
          1
follower
 · 0
following

            
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            Report abuse
            FifoCodeDev/README.md
            I build systems that investigate, verify and automate.
            AI-assisted tools for web intelligence, open-source research, digital risk and decision support.
            
Turning fragmented public data into clear, traceable and useful decisions.

            PythonFastAPIPlaywrightOSINTAI Agents
            About Me
            I am an independent builder with a tax-audit background and an evidence-first approach to software.
            I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.
            • Investigate websites, organizations, online entities and digital assets
            • Verify claims against traceable sources and observable evidence
            • Automate repetitive research, browser and testing workflows
            • Productize the result as practical tools, dashboards and reports
            What I Build
            FocusWhat it means
            Web IntelligenceInspect websites for technical, content, UX and business signals
            Open-source ResearchOrganize public information into timelines, relationships and evidence
            Browser AutomationBuild repeatable inspection, testing and data-collection workflows
            Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
            Decision SupportTurn technical findings into prioritized, human-readable recommendations
            Current Direction — SiteLens
            My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.
            The MVP will:
            • capture desktop and mobile views with Playwright
            • check technical, SEO, accessibility and conversion signals
            • separate observable findings from AI interpretation
            • rank issues by impact and urgency
            • generate a report that business owners can understand
            Selected Work
            • exchange-api-test-framework
              
Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.
            • X-Vision-Judgment-Day
              
A lightweight Chrome extension that adds visual signals to X timelines and following lists.
            • Ethernaut-Solutions
              
Smart-contract security study notes covering common vulnerability patterns and mitigations.
            Research Interests
            • AI-assisted OSINT and entity resolution
            • Agentic web QA and browser-based testing
            • Small-business website and market intelligence
            • On-chain relationship and fund-flow analysis
            • Evidence grading, source tracing and reproducible reports
            Working Principles
            • Evidence over claims
            • Deterministic checks before AI interpretation
            • Small, complete systems over oversized concept projects
            • Readable outputs for technical and non-technical users
            Tools
            Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git
            Build small. Verify everything. Ship evidence.
            
Pinned
Loading
            1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic
              
Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

              JavaScript
            
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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            View FifoCodeDev's full-sized avatar
            1
follower
 · 0
following

              
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              FifoCodeDev/README.md
              I build systems that investigate, verify and automate.
              AI-assisted tools for web intelligence, open-source research, digital risk and decision support.
              
Turning fragmented public data into clear, traceable and useful decisions.

              PythonFastAPIPlaywrightOSINTAI Agents
              About Me
              I am an independent builder with a tax-audit background and an evidence-first approach to software.
              I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.
              • Investigate websites, organizations, online entities and digital assets
              • Verify claims against traceable sources and observable evidence
              • Automate repetitive research, browser and testing workflows
              • Productize the result as practical tools, dashboards and reports
              What I Build
              FocusWhat it means
              Web IntelligenceInspect websites for technical, content, UX and business signals
              Open-source ResearchOrganize public information into timelines, relationships and evidence
              Browser AutomationBuild repeatable inspection, testing and data-collection workflows
              Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
              Decision SupportTurn technical findings into prioritized, human-readable recommendations
              Current Direction — SiteLens
              My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.
              The MVP will:
              • capture desktop and mobile views with Playwright
              • check technical, SEO, accessibility and conversion signals
              • separate observable findings from AI interpretation
              • rank issues by impact and urgency
              • generate a report that business owners can understand
              Selected Work
              • exchange-api-test-framework
                
Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.
              • X-Vision-Judgment-Day
                
A lightweight Chrome extension that adds visual signals to X timelines and following lists.
              • Ethernaut-Solutions
                
Smart-contract security study notes covering common vulnerability patterns and mitigations.
              Research Interests
              • AI-assisted OSINT and entity resolution
              • Agentic web QA and browser-based testing
              • Small-business website and market intelligence
              • On-chain relationship and fund-flow analysis
              • Evidence grading, source tracing and reproducible reports
              Working Principles
              • Evidence over claims
              • Deterministic checks before AI interpretation
              • Small, complete systems over oversized concept projects
              • Readable outputs for technical and non-technical users
              Tools
              Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git
              Build small. Verify everything. Ship evidence.
              
Pinned
Loading
              1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic
                
Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

                JavaScript
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              View FifoCodeDev's full-sized avatar
              1
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 · 0
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                FifoCodeDev/README.md
                I build systems that investigate, verify and automate.
                AI-assisted tools for web intelligence, open-source research, digital risk and decision support.
                
Turning fragmented public data into clear, traceable and useful decisions.

                PythonFastAPIPlaywrightOSINTAI Agents
                About Me
                I am an independent builder with a tax-audit background and an evidence-first approach to software.
                I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.
                • Investigate websites, organizations, online entities and digital assets
                • Verify claims against traceable sources and observable evidence
                • Automate repetitive research, browser and testing workflows
                • Productize the result as practical tools, dashboards and reports
                What I Build
                FocusWhat it means
                Web IntelligenceInspect websites for technical, content, UX and business signals
                Open-source ResearchOrganize public information into timelines, relationships and evidence
                Browser AutomationBuild repeatable inspection, testing and data-collection workflows
                Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
                Decision SupportTurn technical findings into prioritized, human-readable recommendations
                Current Direction — SiteLens
                My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.
                The MVP will:
                • capture desktop and mobile views with Playwright
                • check technical, SEO, accessibility and conversion signals
                • separate observable findings from AI interpretation
                • rank issues by impact and urgency
                • generate a report that business owners can understand
                Selected Work
                • exchange-api-test-framework
                  
Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.
                • X-Vision-Judgment-Day
                  
A lightweight Chrome extension that adds visual signals to X timelines and following lists.
                • Ethernaut-Solutions
                  
Smart-contract security study notes covering common vulnerability patterns and mitigations.
                Research Interests
                • AI-assisted OSINT and entity resolution
                • Agentic web QA and browser-based testing
                • Small-business website and market intelligence
                • On-chain relationship and fund-flow analysis
                • Evidence grading, source tracing and reproducible reports
                Working Principles
                • Evidence over claims
                • Deterministic checks before AI interpretation
                • Small, complete systems over oversized concept projects
                • Readable outputs for technical and non-technical users
                Tools
                Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git
                Build small. Verify everything. Ship evidence.
                
Pinned
Loading
                1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic
                  
Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

                  JavaScript
                
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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                  FifoCodeDev/README.md
                  I build systems that investigate, verify and automate.
                  AI-assisted tools for web intelligence, open-source research, digital risk and decision support.
                  
Turning fragmented public data into clear, traceable and useful decisions.

                  PythonFastAPIPlaywrightOSINTAI Agents
                  About Me
                  I am an independent builder with a tax-audit background and an evidence-first approach to software.
                  I am most interested in systems that can inspect messy digital environments, connect scattered signals and explain how a conclusion was reached.
                  • Investigate websites, organizations, online entities and digital assets
                  • Verify claims against traceable sources and observable evidence
                  • Automate repetitive research, browser and testing workflows
                  • Productize the result as practical tools, dashboards and reports
                  What I Build
                  FocusWhat it means
                  Web IntelligenceInspect websites for technical, content, UX and business signals
                  Open-source ResearchOrganize public information into timelines, relationships and evidence
                  Browser AutomationBuild repeatable inspection, testing and data-collection workflows
                  Digital RiskAnalyze suspicious patterns across APIs, online infrastructure and digital assets
                  Decision SupportTurn technical findings into prioritized, human-readable recommendations
                  Current Direction — SiteLens
                  My next flagship project is SiteLens, an AI-assisted website inspection and redesign assistant.
                  The MVP will:
                  • capture desktop and mobile views with Playwright
                  • check technical, SEO, accessibility and conversion signals
                  • separate observable findings from AI interpretation
                  • rank issues by impact and urgency
                  • generate a report that business owners can understand
                  Selected Work
                  • exchange-api-test-framework
                    
Local mock-exchange E2E tests covering order flow, balance integrity and WebSocket events.
                  • X-Vision-Judgment-Day
                    
A lightweight Chrome extension that adds visual signals to X timelines and following lists.
                  • Ethernaut-Solutions
                    
Smart-contract security study notes covering common vulnerability patterns and mitigations.
                  Research Interests
                  • AI-assisted OSINT and entity resolution
                  • Agentic web QA and browser-based testing
                  • Small-business website and market intelligence
                  • On-chain relationship and fund-flow analysis
                  • Evidence grading, source tracing and reproducible reports
                  Working Principles
                  • Evidence over claims
                  • Deterministic checks before AI interpretation
                  • Small, complete systems over oversized concept projects
                  • Readable outputs for technical and non-technical users
                  Tools
                  Python · FastAPI · Playwright · Pytest · JavaScript · REST/WebSocket · SQL · Git
                  Build small. Verify everything. Ship evidence.
                  
Pinned
Loading
                  1. X-Vision-Judgment-DayX-Vision-Judgment-DayPublic
                    
Chrome extension for X.com. Highlights new users (Green) and unfollowers (Red). Terminator style.

                    JavaScript