WebMCP: Kieran Klaassen Demonstrates Web Integration in Open-Source App Thinkroom

X postKieran KlaassenDemo

Kieran Klaassen urges web app developers to adopt WebMCP, showcasing its functionality in his open-source application Thinkroom. He notes that ChatGPT currently offers the smoothest experience for running it.

Key points

  1. Klaassen recommends that all web application builders integrate WebMCP.
  2. He demonstrates the concept using his open-source app, Thinkroom.
  3. According to Klaassen, ChatGPT currently provides the smoothest WebMCP support.

Why it matters

WebMCP allows AI agents to interact directly with web interfaces. Exposing agent-ready tools directly through the browser paves the way for seamless workflow automation between LLM clients and SaaS products.

Analysis

The post highlights the emerging shift towards embedding standardized agent interfaces directly into client-side web applications. Klaassen's Thinkroom provides a concrete open-source example. Community feedback also points out that while platforms like ChatGPT and experimental browser flags can invoke these tools, client support and security frameworks around WebMCP are still evolving.

Original post

Kieran Klaassen

@kieranklaassen · 29 August 2026

WebMCP is SUPER cool!! All app builders should implement this in their web apps Showing you what it is in my open source app t.co/49jas17LTv t.co/WKeKYljzJF

408 likes16 replies579 bookmarks27.7k views

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More posts in the thread (3)
  1. @LuchoMzmz It is supported in some other places, but ChatGPT is the most smooth
  2. @kylejeong @Stagehanddev sick
  3. @yashjain yeah its amazing!
Selected replies (5)
  • @LuchoMzmz @kieranklaassen Too bad only codex desktop supports it
  • @kylejeong @kieranklaassen @Stagehanddev supports webMCP!
  • @yashjain @kieranklaassen Going to take the weekend to add it to my personal site. Super interesting
  • @sankeydadev @kieranklaassen Thats so cool! Made a web mcp native product as well! t.co/wrxNWGqf4o
  • @shezmalik @kieranklaassen ur app got a drive thru. we still gotta walk in

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Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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