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.

load ./chilkat.dll

set success 0

set mcp [new_CkMcp]

#  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.
set success [CkMcp_Connect $mcp "https://learn.microsoft.com/api/mcp"]
if {$success == 0} then {
    puts [CkMcp_lastErrorText $mcp]
    delete_CkMcp $mcp
    exit
}

#  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.
set json [new_CkJsonObject]

set success [CkMcp_ReadResource $mcp "file:///example/resource.txt" $json]
if {$success == 0} then {
    puts [CkMcp_lastErrorText $mcp]
    delete_CkMcp $mcp
    delete_CkJsonObject $json
    exit
}

CkJsonObject_put_EmitCompact $json 0
puts [CkJsonObject_emit $json]
#  JSON parsing code for this result can be generated at Chilkat's online tool:
#  https://tools.chilkat.io/jsonParse

delete_CkMcp $mcp
delete_CkJsonObject $json