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Xojo Plugin Requires Chilkat v11.6.0+

Read a Resource from an MCP Server

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Demonstrates Mcp.ReadResource, which calls the MCP resources/read method for a resource identified by URI and places the contents into a JsonObject.

Tip: Code to parse the returned JSON can be generated with Chilkat's online tool at https://tools.chilkat.io/jsonParse.

Background. A resource URI is obtained from the resources array returned by ListResources. Not all MCP servers expose resources.

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Xojo Plugin
Dim success As Boolean
success = False

Dim mcp As New Chilkat.Mcp

//  Connect to a public MCP (Model Context Protocol) server over its Streamable HTTP endpoint.  The
//  Microsoft Learn MCP server is public and requires no authentication.
success = mcp.Connect("https://learn.microsoft.com/api/mcp")
If (success = False) Then
    System.DebugLog(mcp.LastErrorText)
    Return
End If

//  Read a specific resource by its URI.  A resource URI is obtained from the "resources" array
//  returned by ListResources.  The resource contents are placed in the JsonObject.
Dim json As New Chilkat.JsonObject
success = mcp.ReadResource("file:///example/resource.txt",json)
If (success = False) Then
    System.DebugLog(mcp.LastErrorText)
    Return
End If

json.EmitCompact = False
System.DebugLog(json.Emit())
//  JSON parsing code for this result can be generated at Chilkat's online tool:
//  https://tools.chilkat.io/jsonParse