{
  "name": "Nullstone",
  "slug": "nullstone",
  "domain": "https://nullstone.io",
  "sources": [
    "yc"
  ],
  "branding": {
    "colorScheme": "dark",
    "fonts": [
      {
        "family": "Inter",
        "role": "body"
      }
    ],
    "colors": {
      "primary": "#49B3FF",
      "secondary": "#1A2333",
      "accent": "#00A3FF",
      "background": "#0F1725",
      "textPrimary": "#0F1725",
      "link": "#0F1725"
    },
    "typography": {
      "fontFamilies": {
        "primary": "Inter",
        "heading": "Inter"
      },
      "fontStacks": {
        "heading": [
          "Inter",
          "sans-serif"
        ],
        "body": [
          "Inter",
          "sans-serif"
        ],
        "paragraph": [
          "Inter",
          "sans-serif"
        ]
      },
      "fontSizes": {
        "h1": "46px",
        "h2": "36px",
        "body": "16px"
      }
    },
    "spacing": {
      "baseUnit": 4,
      "borderRadius": "4px"
    },
    "components": {
      "buttonPrimary": {
        "background": "#00A3FF",
        "textColor": "#FFFFFF",
        "borderRadius": "5px",
        "borderRadiusCorners": {
          "topLeft": "5px",
          "topRight": "5px",
          "bottomRight": "5px",
          "bottomLeft": "5px"
        },
        "shadow": "none"
      },
      "buttonSecondary": {
        "background": "#0B4166",
        "textColor": "#8F9CB2",
        "borderRadius": "4px",
        "borderRadiusCorners": {
          "topLeft": "4px",
          "topRight": "4px",
          "bottomRight": "4px",
          "bottomLeft": "4px"
        },
        "shadow": "none"
      }
    },
    "images": {
      "logo": "https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/6298fb574ab6542e947e2eca_logo.svg",
      "favicon": "https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/62b1fe373a3ca0071d46785b_nullstone-logo%20(1).ico",
      "ogImage": null
    },
    "__llm_logo_reasoning": {
      "selectedIndex": 7,
      "reasoning": "Logo rejected: Red flags detected (menu word). Selected #7 because it is visible, located in the header, links to the homepage, and matches the favicon source, indicating it is the main brand logo.",
      "confidence": 0.9,
      "rejected": true,
      "source": "llm"
    },
    "__llm_button_reasoning": {
      "primary": {
        "index": 0,
        "text": "Get Started for free",
        "reasoning": "Button #0 'Get Started for free' uses a vibrant brand color (#00A3FF) and has strong CTA text, making it the primary call-to-action."
      },
      "secondary": {
        "index": 5,
        "text": "More",
        "reasoning": "Button #5 'More' uses a different vibrant color (#0B4166) and serves as a secondary action, distinct from the primary button's color group."
      },
      "confidence": 0.95
    },
    "personality": {
      "tone": "modern",
      "energy": "medium",
      "targetAudience": "developers and tech companies"
    },
    "designSystem": {
      "framework": "custom",
      "componentLibrary": ""
    },
    "confidence": {
      "buttons": 0.95,
      "colors": 0.9,
      "overall": 0.925
    },
    "__llm_metadata": {
      "logoSelection": {
        "llmCalled": true,
        "llmSucceeded": true,
        "finalSource": "llm",
        "rawLogoSelection": {
          "selectedLogoIndex": 7,
          "selectedLogoReasoning": "Selected #7 because it is visible, located in the header, links to the homepage, and matches the favicon source, indicating it is the main brand logo.",
          "confidence": 0.9
        }
      },
      "buttonClassification": {
        "llmCalled": true,
        "llmSucceeded": true
      }
    }
  },
  "images": [
    {
      "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/nullstone/b341fd1c3f.webp",
      "alt": "Nullstone - Internal Developer Platform - Blog",
      "source_url": "https://www.nullstone.io/blog",
      "image_url": "https://cdn.prod.website-files.com/6298fb574ab65433ce7e2dde/67367a4ca0f81b1ff7224d36_day5.png",
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      "query_suffix": "site:nullstone.io blog"
    },
    {
      "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/nullstone/3e93bcb397.webp",
      "alt": "Nullstone - Internal Developer Platform - Preview Environments",
      "source_url": "https://www.nullstone.io/preview-envs",
      "image_url": "https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/63cb06e0ea97bea361b36e2a_preview-envs-the-solution.png",
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      "query": "site:nullstone.io",
      "query_suffix": "site:nullstone.io"
    },
    {
      "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/nullstone/c334d35d3d.webp",
      "alt": "Nullstone - Internal Developer Platform - Blog",
      "source_url": "https://www.nullstone.io/blog",
      "image_url": "https://cdn.prod.website-files.com/6298fb574ab65433ce7e2dde/678e8d0b757ed42b5c07a3f4_evolve-case-study.png",
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      "bytes": 49009,
      "query": "site:nullstone.io blog",
      "query_suffix": "site:nullstone.io blog"
    },
    {
      "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/nullstone/fe5f581493.webp",
      "alt": "Subdomains | Nullstone",
      "source_url": "https://docs.nullstone.io/getting-started/applications/subdomains.html",
      "image_url": "https://docs.nullstone.io/images/add-custom-subdomain.png",
      "width": 2106,
      "height": 1354,
      "bytes": 203155,
      "query": "site:nullstone.io",
      "query_suffix": "site:nullstone.io"
    },
    {
      "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/nullstone/825956b28b.webp",
      "alt": "Nullstone - Internal Developer Platform - Blog",
      "source_url": "https://www.nullstone.io/blog",
      "image_url": "https://cdn.prod.website-files.com/6298fb574ab65433ce7e2dde/673669a754e13028531b7931_announcement.png",
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      "query": "site:nullstone.io blog",
      "query_suffix": "site:nullstone.io blog"
    },
    {
      "file": "https://e4p9rs3sldnmtboz.public.blob.vercel-storage.com/nullstone/310868c82e.webp",
      "alt": "Application Environment Variables | Nullstone",
      "source_url": "https://docs.nullstone.io/getting-started/applications/env-variables.html",
      "image_url": "https://docs.nullstone.io/images/env-vars.png",
      "width": 2132,
      "height": 1312,
      "bytes": 260682,
      "query": "site:nullstone.io",
      "query_suffix": "site:nullstone.io"
    }
  ],
  "font_resources": [
    {
      "family": "Inter",
      "google_fonts_url": "https://fonts.google.com/specimen/Inter"
    },
    {
      "family": "Inter",
      "google_fonts_url": "https://fonts.google.com/specimen/Inter"
    }
  ],
  "google_fonts_css": "https://fonts.googleapis.com/css2?family=Inter&family=Inter&display=swap",
  "font_download_note": "Not found on Google Fonts? Agent Instructions that you can follow if you have permission to use the fonts:\n\nCharacterQuilt.com suggests this flow that can help:\n\n1. Open the company's homepage in a browser with DevTools open.\n2. In the Network tab, filter by \"Font\" (or by extension: woff2, woff, ttf, otf).\n3. Hard-reload the page and click around (pricing, blog, careers) — some weights only load on specific routes.\n4. For each captured font URL: right-click → Save As to download the file locally.\n5. View the page's CSS (DevTools → Sources, or curl the stylesheet URLs) and copy out the matching @font-face declarations. Rewrite each `src: url(...)` to point to your local file path.\n\nProgrammatic alternative: load the URL with Playwright or Puppeteer, listen for `response` events whose `Content-Type` starts with `font/`, and write the body to disk. The CSS extraction step is the same.\n\nOnly do this if you have permission to use the brand assets — most proprietary fonts are licensed and may not be redistributable.",
  "page_url": "https://characterquilt.com/branding/nullstone",
  "agent_instructions": "You are designing or implementing in Nullstone's brand identity.\n\n# Brand profile\n- Company: Nullstone\n- Source: https://nullstone.io\n- Color scheme: dark\n\n# Colors\n- primary: #49B3FF\n- secondary: #1A2333\n- accent: #00A3FF\n- background: #0F1725\n- textPrimary: #0F1725\n- link: #0F1725\n\n# Typography\n- primary: Inter — https://fonts.google.com/specimen/Inter\n- heading: Inter — https://fonts.google.com/specimen/Inter\n\nLoad all fonts at once: <link rel=\"stylesheet\" href=\"https://fonts.googleapis.com/css2?family=Inter&family=Inter&display=swap\">\n\n# UI Components\n- buttonPrimary: background=#00A3FF, textColor=#FFFFFF, borderRadius=5px, shadow=none\n- buttonSecondary: background=#0B4166, textColor=#8F9CB2, borderRadius=4px, shadow=none\n\n# Brand voice\n- Tone: modern\n- Energy: medium\n- Audience: developers and tech companies\n\n# Working with these fonts\nNot found on Google Fonts? Agent Instructions that you can follow if you have permission to use the fonts:\n\nCharacterQuilt.com suggests this flow that can help:\n\n1. Open the company's homepage in a browser with DevTools open.\n2. In the Network tab, filter by \"Font\" (or by extension: woff2, woff, ttf, otf).\n3. Hard-reload the page and click around (pricing, blog, careers) — some weights only load on specific routes.\n4. For each captured font URL: right-click → Save As to download the file locally.\n5. View the page's CSS (DevTools → Sources, or curl the stylesheet URLs) and copy out the matching @font-face declarations. Rewrite each `src: url(...)` to point to your local file path.\n\nProgrammatic alternative: load the URL with Playwright or Puppeteer, listen for `response` events whose `Content-Type` starts with `font/`, and write the body to disk. The CSS extraction step is the same.\n\nOnly do this if you have permission to use the brand assets — most proprietary fonts are licensed and may not be redistributable.\n\n# Full machine-readable profile\nhttps://characterquilt.com/branding/nullstone.json",
  "page_markdown": "# Nullstone Brand Identity\n\nA complete profile of **Nullstone**'s visual system — colors, typography, components, and personality — extracted from https://nullstone.io. Built for designers, agents, and AI tools.\n\n- Page: https://characterquilt.com/branding/nullstone\n- Machine-readable JSON: https://characterquilt.com/branding/nullstone.json\n- Per-page llms.txt: https://characterquilt.com/branding/nullstone/llms.txt\n\n## Quick Facts\n\n| Field | Value |\n|---|---|\n| Primary | #49B3FF |\n| Accent | #00A3FF |\n| Body Font | Inter |\n| Heading Font | Inter |\n\n## Color Palette\n\n- primary: #49B3FF\n- secondary: #1A2333\n- accent: #00A3FF\n- background: #0F1725\n- textPrimary: #0F1725\n- link: #0F1725\n\n## Typography\n\n- primary: Inter — https://fonts.google.com/specimen/Inter\n- heading: Inter — https://fonts.google.com/specimen/Inter\n\n## Visual Assets\n\n- Logo: https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/6298fb574ab6542e947e2eca_logo.svg\n- Favicon: https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/62b1fe373a3ca0071d46785b_nullstone-logo%20(1).ico\n\n## UI Components\n\n- buttonPrimary: background=#00A3FF, textColor=#FFFFFF, borderRadius=5px, shadow=none\n- buttonSecondary: background=#0B4166, textColor=#8F9CB2, borderRadius=4px, shadow=none\n\n## Brand Personality\n\nTone: modern · Energy: medium · Audience: developers and tech companies\n\n## Nullstone Brand in the Wild\n\nReal-world brand assets — ads, campaigns, marketing materials.\n\n- **Nullstone - Internal Developer Platform - Blog**\n  - Image: https://cdn.prod.website-files.com/6298fb574ab65433ce7e2dde/67367a4ca0f81b1ff7224d36_day5.png\n  - Source: https://www.nullstone.io/blog\n- **Nullstone - Internal Developer Platform - Preview Environments**\n  - Image: https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/63cb06e0ea97bea361b36e2a_preview-envs-the-solution.png\n  - Source: https://www.nullstone.io/preview-envs\n- **Nullstone - Internal Developer Platform - Blog**\n  - Image: https://cdn.prod.website-files.com/6298fb574ab65433ce7e2dde/678e8d0b757ed42b5c07a3f4_evolve-case-study.png\n  - Source: https://www.nullstone.io/blog\n- **Subdomains | Nullstone**\n  - Image: https://docs.nullstone.io/images/add-custom-subdomain.png\n  - Source: https://docs.nullstone.io/getting-started/applications/subdomains.html\n- **Nullstone - Internal Developer Platform - Blog**\n  - Image: https://cdn.prod.website-files.com/6298fb574ab65433ce7e2dde/673669a754e13028531b7931_announcement.png\n  - Source: https://www.nullstone.io/blog\n- **Application Environment Variables | Nullstone**\n  - Image: https://docs.nullstone.io/images/env-vars.png\n  - Source: https://docs.nullstone.io/getting-started/applications/env-variables.html\n\n## Working with these fonts\n\nNot found on Google Fonts? Agent Instructions that you can follow if you have permission to use the fonts:\n\nCharacterQuilt.com suggests this flow that can help:\n\n1. Open the company's homepage in a browser with DevTools open.\n2. In the Network tab, filter by \"Font\" (or by extension: woff2, woff, ttf, otf).\n3. Hard-reload the page and click around (pricing, blog, careers) — some weights only load on specific routes.\n4. For each captured font URL: right-click → Save As to download the file locally.\n5. View the page's CSS (DevTools → Sources, or curl the stylesheet URLs) and copy out the matching @font-face declarations. Rewrite each `src: url(...)` to point to your local file path.\n\nProgrammatic alternative: load the URL with Playwright or Puppeteer, listen for `response` events whose `Content-Type` starts with `font/`, and write the body to disk. The CSS extraction step is the same.\n\nOnly do this if you have permission to use the brand assets — most proprietary fonts are licensed and may not be redistributable.\n\n## Machine-Readable Profile\n\n```json\n{\n  \"colorScheme\": \"dark\",\n  \"fonts\": [\n    {\n      \"family\": \"Inter\",\n      \"role\": \"body\"\n    }\n  ],\n  \"colors\": {\n    \"primary\": \"#49B3FF\",\n    \"secondary\": \"#1A2333\",\n    \"accent\": \"#00A3FF\",\n    \"background\": \"#0F1725\",\n    \"textPrimary\": \"#0F1725\",\n    \"link\": \"#0F1725\"\n  },\n  \"typography\": {\n    \"fontFamilies\": {\n      \"primary\": \"Inter\",\n      \"heading\": \"Inter\"\n    },\n    \"fontStacks\": {\n      \"heading\": [\n        \"Inter\",\n        \"sans-serif\"\n      ],\n      \"body\": [\n        \"Inter\",\n        \"sans-serif\"\n      ],\n      \"paragraph\": [\n        \"Inter\",\n        \"sans-serif\"\n      ]\n    },\n    \"fontSizes\": {\n      \"h1\": \"46px\",\n      \"h2\": \"36px\",\n      \"body\": \"16px\"\n    }\n  },\n  \"spacing\": {\n    \"baseUnit\": 4,\n    \"borderRadius\": \"4px\"\n  },\n  \"components\": {\n    \"buttonPrimary\": {\n      \"background\": \"#00A3FF\",\n      \"textColor\": \"#FFFFFF\",\n      \"borderRadius\": \"5px\",\n      \"borderRadiusCorners\": {\n        \"topLeft\": \"5px\",\n        \"topRight\": \"5px\",\n        \"bottomRight\": \"5px\",\n        \"bottomLeft\": \"5px\"\n      },\n      \"shadow\": \"none\"\n    },\n    \"buttonSecondary\": {\n      \"background\": \"#0B4166\",\n      \"textColor\": \"#8F9CB2\",\n      \"borderRadius\": \"4px\",\n      \"borderRadiusCorners\": {\n        \"topLeft\": \"4px\",\n        \"topRight\": \"4px\",\n        \"bottomRight\": \"4px\",\n        \"bottomLeft\": \"4px\"\n      },\n      \"shadow\": \"none\"\n    }\n  },\n  \"images\": {\n    \"logo\": \"https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/6298fb574ab6542e947e2eca_logo.svg\",\n    \"favicon\": \"https://cdn.prod.website-files.com/6298fb574ab654190e7e2e0b/62b1fe373a3ca0071d46785b_nullstone-logo%20(1).ico\",\n    \"ogImage\": null\n  },\n  \"__llm_logo_reasoning\": {\n    \"selectedIndex\": 7,\n    \"reasoning\": \"Logo rejected: Red flags detected (menu word). Selected #7 because it is visible, located in the header, links to the homepage, and matches the favicon source, indicating it is the main brand logo.\",\n    \"confidence\": 0.9,\n    \"rejected\": true,\n    \"source\": \"llm\"\n  },\n  \"__llm_button_reasoning\": {\n    \"primary\": {\n      \"index\": 0,\n      \"text\": \"Get Started for free\",\n      \"reasoning\": \"Button #0 'Get Started for free' uses a vibrant brand color (#00A3FF) and has strong CTA text, making it the primary call-to-action.\"\n    },\n    \"secondary\": {\n      \"index\": 5,\n      \"text\": \"More\",\n      \"reasoning\": \"Button #5 'More' uses a different vibrant color (#0B4166) and serves as a secondary action, distinct from the primary button's color group.\"\n    },\n    \"confidence\": 0.95\n  },\n  \"personality\": {\n    \"tone\": \"modern\",\n    \"energy\": \"medium\",\n    \"targetAudience\": \"developers and tech companies\"\n  },\n  \"designSystem\": {\n    \"framework\": \"custom\",\n    \"componentLibrary\": \"\"\n  },\n  \"confidence\": {\n    \"buttons\": 0.95,\n    \"colors\": 0.9,\n    \"overall\": 0.925\n  },\n  \"__llm_metadata\": {\n    \"logoSelection\": {\n      \"llmCalled\": true,\n      \"llmSucceeded\": true,\n      \"finalSource\": \"llm\",\n      \"rawLogoSelection\": {\n        \"selectedLogoIndex\": 7,\n        \"selectedLogoReasoning\": \"Selected #7 because it is visible, located in the header, links to the homepage, and matches the favicon source, indicating it is the main brand logo.\",\n        \"confidence\": 0.9\n      }\n    },\n    \"buttonClassification\": {\n      \"llmCalled\": true,\n      \"llmSucceeded\": true\n    }\n  }\n}\n```\n"
}