web-applets VS specification

Compare web-applets vs specification and see what are their differences.

web-applets

The home of the Web Applets spec, demo and SDK (by unternet-co)

specification

Specification and documentation for the Model Context Protocol [Moved to: https://github.com/modelcontextprotocol/modelcontextprotocol] (by modelcontextprotocol)
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web-applets specification
3 14
216 1,884
2.3% -
9.0 9.6
about 2 months ago 5 months ago
TypeScript TypeScript
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

web-applets

Posts with mentions or reviews of web-applets. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2025-01-23.
  • Introduction to Operator and Agents
    8 projects | news.ycombinator.com | 23 Jan 2025
    That's specifically what I'm working on at [Unternet](https://unternet.co/), based on observing the same issue while working at Adept. It seems absurd that in the future we'll have developers building full GUI apps that users never see, because they're being used by GPU-crunching vision models, which then in turn create their own interfaces for end-users.

    Instead we need apps that have a human interface for users, and a machine interface for models. I've been building [web applets](https://github.com/unternet-co/web-applets/) as an lightweight protocol on top of the web to achieve this. It's in early stages, but I'm inviting the first projects to start building with it & accepting contributions.

  • Web Applets: open spec and SDK for creating apps that agents can use
    1 project | news.ycombinator.com | 25 Nov 2024
  • The Model Context Protocol
    20 projects | news.ycombinator.com | 25 Nov 2024
    For those interested, I've been working on something related to this, Web Applets – which is a spec for creating AI-enabled components that can receive actions & respond with state:

    https://github.com/unternet-co/web-applets/

specification

Posts with mentions or reviews of specification. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2025-04-06.
  • The "S" in MCP Stands for Security
    3 projects | news.ycombinator.com | 6 Apr 2025
  • Show HN: Active MCP: A Rails engine that provides MCP capabilities to Rails app
    2 projects | news.ycombinator.com | 4 Apr 2025
    No. Any file that runs MCP Server is fine anywhere. I am intending a workspace separate from the rails app. The MCP server should be run in a separate process from the rails app. At least until the streamable http transport is ready.

    https://github.com/modelcontextprotocol/specification/pull/2...

  • I explain the Model Context Protocol or MCP used to interact with LLMs
    2 projects | dev.to | 4 Apr 2025
    Another aspect worth noting is that, to date, the protocol requires a persistent connection between client and server, so this can be a drawback for auto-scalable architectures that adapt to demand, as well as moving in the opposite direction in a world that is striving to become stateless.
  • Supabase MCP Server
    3 projects | dev.to | 4 Apr 2025
    The MCP protocol is evolving with proposals like the new Streamable HTTP transport that supports fully stateless servers without requiring long-lived connections. We're following these developments closely and evaluating how they might benefit the Supabase MCP experience.
  • OpenAI adds MCP support to Agents SDK
    9 projects | news.ycombinator.com | 26 Mar 2025
    I assume they're (for now at least) targeting the old HTTP+SSE version of MCP, and not the new Streaming HTTP version? https://github.com/modelcontextprotocol/specification/pull/2...
  • OpenAI Audio Models
    6 projects | news.ycombinator.com | 20 Mar 2025
    Really looking forward to integrating with these models.

    The next version of Model Context Protocol will have native audio support (https://github.com/modelcontextprotocol/specification/pull/9...), which will open up plenty of opportunities for interop.

  • Replace HTTP+SSE with new "Streamable HTTP" transport
    1 project | news.ycombinator.com | 18 Mar 2025
  • MCP vs. API Explained
    8 projects | news.ycombinator.com | 8 Mar 2025
    Yup. Though it's a JSON API and not an XML API like SOAP. As for how it differs form the old OpenAPI/Swaggar... shrug... not much... its got a lot less flexibility to it and it has specific tooling for agentic tool use.

    https://github.com/modelcontextprotocol/specification/blob/m...

  • Emcee – Turn Any OpenAPI into a MCP
    2 projects | news.ycombinator.com | 4 Mar 2025
    Hey Taylor! One of the creators of emcee here.

    So... short answer... there isn't a great way right now. Currently emcee is communicating over stdio – and although MCP technically supports SSE, it isn't super friendly to remote workflows.

    You can see it's definitely on the roadmap for MCP here, however: https://github.com/modelcontextprotocol/specification/discus...

    Curious to hear how you were thinking of using emcee remotely? Feel free to email me at [email protected] too.

  • Show HN: Agents.json – OpenAPI Specification for LLMs
    4 projects | news.ycombinator.com | 3 Mar 2025
    We've been keeping a close on this topic: https://github.com/modelcontextprotocol/specification/discus...

    The options being considered to do this are:

What are some alternatives?

When comparing web-applets and specification you can also consider the following projects:

typescript-sdk - The official TypeScript SDK for Model Context Protocol servers and clients

python-sdk - The official Python SDK for Model Context Protocol servers and clients

servers - Model Context Protocol Servers

wcgw - Shell and coding agent on claude desktop app

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InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com
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Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!
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