{
  "apps": [
    {
      "id": "capp_diff_001",
      "topic": "differentiation",
      "fact": "The Claude Agent SDK is \"a collection of tools that helps developers build powerful agents on top of Claude Code... programmable in Python and TypeScript,\" giving \"the same tools, agent loop, and context management that power Claude Code\" -- a code-first, developer-embedded engine, distinct from Claude Apps' no-code, conversational, Claude.ai-hosted surface.",
      "source_url": "https://code.claude.com/docs/en/agent-sdk/overview",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_diff_001"
    },
    {
      "id": "capp_diff_002",
      "topic": "differentiation",
      "fact": "Real documented Claude App examples cited directly on Anthropic's own pages: a mood canvas that visualizes user input, an email-writing assistant, a language tutor, a project-dashboard generator with Gantt charts, and musician Rick Rubin's \"The Way of Code\" (81 meditations paired with reshapeable interactive artifacts).",
      "source_url": "https://claude.com/resources/tutorials/use-artifacts-to-visualize-and-create-ai-apps-without-ever-writing-a-line-of-code",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_diff_002"
    },
    {
      "id": "capp_howto_001",
      "topic": "how-to-build",
      "fact": "There is no separate, distinct \"Apps SDK\" documented on Anthropic's own site as of this fetch -- Claude Apps are built entirely by natural-language conversation in the Claude.ai Artifacts space. Anthropic's own tutorial gives a 4-step workflow: (1) start from the \"artifacts\" sidebar, (2) describe the problem in plain language, (3) let Claude interview you with clarifying questions, (4) ask Claude to build it once the idea is clarified.",
      "source_url": "https://claude.com/resources/tutorials/use-artifacts-to-visualize-and-create-ai-apps-without-ever-writing-a-line-of-code",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_howto_001"
    },
    {
      "id": "capp_howto_002",
      "topic": "how-to-build",
      "fact": "Iteration is conversational: \"Simply ask Claude to modify your artifact ('make the buttons bigger,' 'add a timer,' 'change the color scheme'). Each request builds on previous versions while Claude maintains context about what you've built and why.\" Debugging works the same way -- click \"Fix with Claude\" or describe the problem in plain language, with no need to parse technical error messages.",
      "source_url": "https://claude.com/resources/tutorials/use-artifacts-to-visualize-and-create-ai-apps-without-ever-writing-a-line-of-code",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_howto_002"
    },
    {
      "id": "capp_sharing_001",
      "topic": "sharing",
      "fact": "\"The app runs on Anthropic's infrastructure, and users authenticate with their Claude account and interact with their own instance of the artifact... no API keys required, and no costs to you. Usage counts against each user's own Claude subscription limits, not yours.\"",
      "source_url": "https://claude.com/blog/build-artifacts",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_sharing_001"
    },
    {
      "id": "capp_sharing_002",
      "topic": "sharing",
      "fact": "Published artifacts offer two viewer modes: \"View-only\" (logged-out users can use and interact without signing in, except AI-powered artifacts which require sign-in), and \"Remix & customize\" (signed-in Claude users can copy the artifact into their own account to modify, without altering the original).",
      "source_url": "https://claude.com/resources/tutorials/use-artifacts-to-visualize-and-create-ai-apps-without-ever-writing-a-line-of-code",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_sharing_002"
    },
    {
      "id": "capp_whatitis_001",
      "topic": "what-it-is",
      "fact": "Claude Apps are Claude.ai's Artifacts-based surface: \"Turn ideas into interactive AI-powered apps through conversation -- no coding required.\" Announced June 25, 2025 as a dedicated Artifacts space in the Claude app plus the ability to embed AI capabilities directly into creations.",
      "source_url": "https://claude.com/blog/build-artifacts",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_whatitis_001"
    },
    {
      "id": "capp_whatitis_002",
      "topic": "what-it-is",
      "fact": "By the June 25, 2025 announcement, \"millions of users have created over half a billion artifacts -- from productivity tools to educational games\" since the original Artifacts feature launch.",
      "source_url": "https://claude.com/blog/build-artifacts",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_whatitis_002"
    },
    {
      "id": "capp_whatitis_003",
      "topic": "what-it-is",
      "fact": "The AI-powered upgrade lets \"users of your artifacts access Claude's intelligence through a text-based API -- answering questions, generating creative content, providing personalized coaching, playing games, solving problems, and adapting responses based on input\" -- turning a single-use artifact into a reusable, shareable app (e.g. a flashcard generator instead of one fixed set of flashcards).",
      "source_url": "https://claude.com/blog/build-artifacts",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_whatitis_003"
    },
    {
      "id": "capp_whatitis_004",
      "topic": "what-it-is",
      "fact": "As of the October 21, 2025 update noted on the same announcement page, \"Artifacts now support MCP and persistent storage\" -- letting AI-powered apps read/write external services via Model Context Protocol and store data across sessions (up to 20MB per artifact, per the companion support tutorial).",
      "source_url": "https://claude.com/blog/build-artifacts",
      "fetched_at": "2026-07-02 06:01:02",
      "created_at": "2026-07-02 06:01:02",
      "cite_as": "https://subagentapps.com/api/apps/capp_whatitis_004"
    }
  ]
}