Agents built with TanStack AI can now call OAuth-protected MCP servers through Vercel Connect, with no credentials for you to store or rotate.
The new
If the user has not granted access,
Read the TanStack AI integration docs to get started, or see the full list of supported frameworks and adapters for Vercel Connect.
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The new
@vercel/connect/tanstack-ai subpath exports connectMCPTransport, which takes a TanStack transport config and attaches a Connect-backed auth provider. The provider is called before every MCP request, so the token is always fresh.If the user has not granted access,
createMCPClient fails with a consent challenge before the model runs. Catch it with getConsentChallenge and redirect to Connect's consent URL. Otherwise, a consent error raised within a tool call would reach the model as an error string rather than the user as a redirect.Read the TanStack AI integration docs to get started, or see the full list of supported frameworks and adapters for Vercel Connect.
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Continue reading...