The "Web app" standard for the Agentic Web/OS has arrived.
It is essentially the open standardization of the third-party app/plugin ecosystem found in ChatGPT. It consists of Skills and MCP, with MCP covering standards such as MCP Apps and MCP-UI, which allow third-party apps to embed GenUI-based interactive interfaces directly into the main Agentic Web/OS interface.
WebMCP is about "embedding Tools within UI," while Agent Plugins / MCP Apps are about "optionally embedding UI within Tools." The core of this kind of "app" ecosystem are Tools, rather than any specific UI representation, such as cards, icon + Activity, or windows.
AppFunctions / AppIntents / AppActions on Android, iOS, and Windows, like WebMCP, also belong to the "embedding Tools within UI" model.
The current CLI ecosystems around Coding Agents such as Codex and Claude Code are effectively local "native app" ecosystems: apps have to be pre-packaged, downloaded, and installed, and users cannot realistically install too many of them.
By contrast, Agent Plugins / MCP Apps can be regarded as a kind of "Web app" ecosystem, because their core functionality is retrieved from the Web on demand. Skills, like manifest-style files such as mcp.json, are lightweight distributions of code with declared metadata, somewhat like HTML: they can be discovered, loaded, activated, and used on demand, in a process analogous to HTML rendering but much more intelligent.
This creates an opportunity to extend existing Web standards, which are centered around the distribution of UI resources. Instead of RESTful HTTP exposing only a limited set of actions over resources, the Web could expose a vast long tail of Tools that AI can discover and understand, and that can optionally embed UI.
A general-purpose Agent capable of discovering, loading, and running Agent Plugins / MCP Apps on demand would be equivalent to "the browser + Google" of the desktop Internet era.
If such an Agent becomes a super app, it could easily abstract away the operating system and become the single dominant super app for most user scenarios, much like the desktop Internet era, rather than the mobile Internet era with many parallel super apps. So such an Agent will naturally tend to integrate into the entire OS and even the hardware itself, much like IE vs. Netscape. That is also why Google, OpenAI, and even ByteDance are determined to build consumer electronics hardware products.
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Simon Mo and Matt Bornstein on why open-weight models matter: cost and control.
"Open weight absolutely matters in the ecosystem. The world cannot just be controlled by proprietary APIs, where open weight, open development and research of these models are blocked or banned."
"There's almost two pieces to this. There's the cost thing, where the closed models are too expensive, and then there's the control thing, where I want to be in control of my infrastructure and in control of the model. If I need to extend it or put on my own guardrails or anything."
"Control matters a lot over the last few years, and then cost just started to matter over the last few months... It's about controlling the system performance against what they're paying for."
"For a voice agent company, they want to control their own model so that it can make sure the model actually responds by the required time... This sometimes is only you can do with your controlled intelligence... versus signing up for relying on your critical infrastructure with a proprietary API where they might go down any time."
@simon_mo_ @BornsteinMatt
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Michael Jackson was loved by the people. The world adored him.
A man who is genuinely admired and inspires millions is seen as a threat to those who want to rule the world with fear.
If you have a badge and a gun - but are not loved - you are very fearful of those who are loved.
Hope and inspiration is the antithesis to fear.
Love is the antithesis to fear.
In an attempt to dampen his power and stop the people from loving him, they accused him of sexual crimes and slandered his name all over the television and media.
Do you understand?
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