{
  "schema_version": "0.1.0",
  "name": "Markdown Studio",
  "description": "Sovereign workspace for prompt engineering with zero-knowledge architecture. Token counting for 20+ models, smart variables, GitHub sync, PromptOps deterministic execution, and multi-format export.",
  "url": "https://mdstudio.app/",
  "version": "1.3.0",
  "capabilities": [
    {
      "id": "count-tokens",
      "name": "Token Counter",
      "description": "Real-time token counting for 20+ AI models including GPT-5, Claude 4.5, Gemini 3, and Llama 4. Shows context window usage percentage and estimated API cost.",
      "url": "https://mdstudio.app/ai-markdown-token-counter",
      "input_formats": ["text/plain", "text/markdown"],
      "output_formats": ["application/json"]
    },
    {
      "id": "edit-markdown",
      "name": "Markdown Editor",
      "description": "Professional markdown editor with live preview, code highlighting (180+ languages), Mermaid diagrams, LaTeX math, smart variables, and floating formatting toolbar.",
      "url": "https://mdstudio.app/editor",
      "input_formats": ["text/markdown", "text/plain"],
      "output_formats": ["text/markdown", "text/html", "application/pdf"]
    },
    {
      "id": "test-prompts",
      "name": "Prompt Tester",
      "description": "Multi-provider prompt execution with battle mode for side-by-side model comparison. Supports OpenAI, Anthropic, Google, Meta, Mistral, xAI, Cohere, and DeepSeek.",
      "url": "https://mdstudio.app/editor",
      "input_formats": ["text/plain", "text/markdown"],
      "output_formats": ["text/plain", "application/json"]
    },
    {
      "id": "promptops-governance",
      "name": "PromptOps Governance",
      "description": "Deterministic execution with locked mode, seed-based reproducibility, PII sanitization, snapshot certification with SHA-256 hashing, and enterprise audit logging.",
      "url": "https://mdstudio.app/editor",
      "input_formats": ["text/markdown"],
      "output_formats": ["application/json"]
    },
    {
      "id": "export-document",
      "name": "Document Exporter",
      "description": "Export markdown to PDF, HTML, JSON, TXT, or Markdown. Supports Mermaid diagrams, LaTeX math, and frontmatter metadata in exports.",
      "url": "https://mdstudio.app/editor",
      "input_formats": ["text/markdown"],
      "output_formats": ["application/pdf", "text/html", "application/json", "text/plain", "text/markdown"]
    },
    {
      "id": "github-sync",
      "name": "GitHub Sync",
      "description": "Sync documents with GitHub gists and repositories. Branch support, conflict resolution with side-by-side diff view, and version history.",
      "url": "https://mdstudio.app/editor",
      "input_formats": ["text/markdown"],
      "output_formats": ["text/markdown"]
    }
  ],
  "privacy": {
    "data_collection": "none",
    "content_storage": "browser-only",
    "architecture": "zero-knowledge",
    "analytics": "privacy-friendly (Umami, no cookies, no PII)"
  },
  "pricing": {
    "model": "free",
    "cost": 0,
    "currency": "USD"
  },
  "authentication": {
    "required": false,
    "type": "none",
    "note": "Bring your own API keys for LLM features; keys stored locally with AES-256-GCM encryption"
  },
  "languages": ["en", "zh-CN", "ja", "ko", "es", "pt-BR", "de", "ru"],
  "contact": {
    "email": "contact@mdstudio.app",
    "url": "https://mdstudio.app/"
  }
}