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.

LOCAL nSuccess
LOCAL oMcp
LOCAL oJson

nSuccess := 0

oMcp := CreateObject("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.
nSuccess := oMcp:Connect("https://learn.microsoft.com/api/mcp")
IF (nSuccess == 0)
    ? oMcp:LastErrorText
    oMcp:destroy()
    RETURN
ENDIF

//  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.
oJson := CreateObject("Chilkat.JsonObject")
nSuccess := oMcp:ReadResource("file:///example/resource.txt", oJson)
IF (nSuccess == 0)
    ? oMcp:LastErrorText
    oMcp:destroy()
    oJson:destroy()
    RETURN
ENDIF

oJson:EmitCompact := 0
? oJson:Emit()
//  JSON parsing code for this result can be generated at Chilkat's online tool:
//  https://tools.chilkat.io/jsonParse

oMcp:destroy()
oJson:destroy()