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sunpeak API

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Overview

Returns information about the host application, including its name, version, and supported capabilities.

Wraps getHostVersion · getHostCapabilities

MCP Apps SDK reference

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Import

import { useHostInfo } from 'sunpeak';

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Signature

function useHostInfo(): {
  hostVersion: HostVersion | undefined;
  hostCapabilities: HostCapabilities | undefined;
}

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Returns

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hostVersion
HostVersion | undefined
Host application name and version.
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hostCapabilities
HostCapabilities | undefined
Host-supported capabilities.

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HostVersion

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name
string
Host application name.
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version
string
Host application version.

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HostCapabilities

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serverTools
boolean
Whether the host supports calling server tools.
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openLinks
boolean
Whether the host supports opening external links.
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logging
boolean
Whether the host supports structured logging.
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messages
boolean
Whether the host supports sending messages.
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displayModes
boolean
Whether the host supports display mode changes.

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Usage

import { useHostInfo } from 'sunpeak';

function MyResource() {
  const { hostVersion, hostCapabilities } = useHostInfo();

  return (
    <div>
      <p>Host: {hostVersion?.name} {hostVersion?.version}</p>
      <p>Can call tools: {hostCapabilities?.serverTools ? 'Yes' : 'No'}</p>
    </div>
  );
}
See McpUiHostCapabilities for the full protocol-level capabilities type.