AI Coding Live News — Real-Time 𝕏/Twitter Updates & Breakthroughs

Average AI Bro@AverageAiBro·Collected 45d ago

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Vercel mcp-handler 2.2.0 adds experimental WebMCP for in-browser agents

@AverageAiBro notes Vercel mcp-handler 2.2.0 (github.com/vercel-labs/mcp-handler) ships experimental WebMCP: opt tools in under experimental_webMcp, load ?webmcp-script from your MCP endpoint, and in-browser agents reuse the same server tools proxied as the signed-in user—no second browser OAuth stack. Pin 2.2.0; the WebMCP path is still experimental.

Key Takeaways

One MCP endpoint plus ?webmcp-script lets in-browser agents call your existing tools.
Calls proxy as the signed-in user, so auth tools skip a second browser OAuth flow.
WebMCP is still experimental—pin mcp-handler 2.2.0 for now.

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Linked Models & Agents:

🌐 vercel

#Vercel#MCP handler#WebMCP#MCP#browser agents#open source

Marwan Atef@Marwan_3atef·Collected 58d ago

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CopilotKit: useFrontendTool can opt into WebMCP so browser agents call frontend tools

Marwan Atef (@Marwan_3atef) reported a CopilotKit product change: every useFrontendTool can opt into WebMCP so browser agents such as ChatGPT Atlas discover and call frontend tools instead of only screenshotting the page. Same React API, plus readOnlyHint annotations. The official blog post Introducing WebMCP for CopilotKit is live.

Key Takeaways

useFrontendTool can opt into WebMCP so browser agents call frontend tools.
Same React API with readOnlyHint annotations.
Official blog: Introducing WebMCP for CopilotKit.

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Linked Models & Agents:

#CopilotKit#WebMCP#frontend tools#ChatGPT Atlas#React