{
  "items": [
    {
      "date": "2024-11-05",
      "family": "MCP",
      "event": "Legacy HTTP and SSE transport family is referenced by later compatibility documentation",
      "type": "historical",
      "href": "https://modelcontextprotocol.io/specification/2025-11-25/basic/transports"
    },
    {
      "date": "2025-06-23",
      "family": "A2A",
      "event": "Google donated A2A to the Linux Foundation",
      "type": "governance",
      "href": "https://developers.googleblog.com/en/google-cloud-donates-a2a-to-linux-foundation/"
    },
    {
      "date": "2025-08-27",
      "family": "ACP",
      "event": "Zed described bring-your-own-agent integration and ACP",
      "type": "announcement",
      "href": "https://zed.dev/blog/bring-your-own-agent-to-zed"
    },
    {
      "date": "2025-10-02",
      "family": "ACP",
      "event": "Zed published an ACP ecosystem progress report",
      "type": "ecosystem",
      "href": "https://zed.dev/blog/acp-progress-report"
    },
    {
      "date": "2025-10-16",
      "family": "ACP",
      "event": "Codex integration in Zed shipped through ACP",
      "type": "product",
      "href": "https://zed.dev/blog/codex-is-live-in-zed"
    },
    {
      "date": "2025-11-06",
      "family": "ACP",
      "event": "Zed Agent Extensions simplified ACP agent distribution",
      "type": "product",
      "href": "https://zed.dev/blog/agent-extensions"
    },
    {
      "date": "2025-11-21",
      "family": "MCP Apps",
      "event": "MCP Apps proposal was announced",
      "type": "proposal",
      "href": "https://blog.modelcontextprotocol.io/posts/2025-11-21-mcp-apps/"
    },
    {
      "date": "2025-11-25",
      "family": "MCP",
      "event": "MCP revision added tasks and expanded elicitation and sampling",
      "type": "standard",
      "href": "https://modelcontextprotocol.io/specification/2025-11-25/changelog"
    },
    {
      "date": "2026-01-26",
      "family": "MCP Apps",
      "event": "Stable MCP Apps extension revision was published",
      "type": "standard",
      "href": "https://modelcontextprotocol.io/extensions/apps/specification"
    },
    {
      "date": "2026-01-28",
      "family": "ACP",
      "event": "The ACP Registry went live",
      "type": "registry",
      "href": "https://zed.dev/blog/acp-registry"
    },
    {
      "date": "2026-02-05",
      "family": "VS Code",
      "event": "MCP Apps and Agent Skills reached documented VS Code milestones",
      "type": "product",
      "href": "https://code.visualstudio.com/docs/copilot/chat/mcp-servers"
    },
    {
      "date": "2026-06-08",
      "family": "A2UI",
      "event": "A2UI 1.0 candidate was updated",
      "type": "standard",
      "href": "https://github.com/a2ui-project/a2ui/blob/main/specification/v1_0/docs/a2ui_protocol.md"
    },
    {
      "date": "2026-08-04",
      "family": "Kiro",
      "event": "Kiro documented Agent Skills and Agent Plugins-based Powers across surfaces",
      "type": "product",
      "href": "https://kiro.dev/docs/skills/"
    },
    {
      "date": "2026-08-26",
      "family": "WebMCP",
      "event": "WebMCP Draft Community Group Report was dated August 26, 2026",
      "type": "standard",
      "href": "https://webmachinelearning.github.io/webmcp/"
    },
    {
      "date": "2026-08-26",
      "family": "AHP",
      "event": "VS Code announced Agent Host and the open Agent Host Protocol",
      "type": "standard-product",
      "href": "https://code.visualstudio.com/blogs/2026/08/26/agent-host-architecture"
    },
    {
      "date": "2026-08-28",
      "family": "Can My Agent Use",
      "event": "Evidence Atlas research snapshot and product-model review",
      "type": "research",
      "href": "/methodology"
    }
  ]
}