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B4X 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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B4X
Dim success As Boolean = False

Dim mcp As ChilkatMcp
mcp.Initialize("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
    Log(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 ChilkatJsonObject
json.Initialize
success = mcp.ReadResource("file:///example/resource.txt", json)
If success = False Then
    Log(mcp.LastErrorText)
    Return
End If


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