Get a Prompt from an MCP Server

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Demonstrates Mcp.GetPrompt, which calls the MCP prompts/get method for a named prompt, passing a JSON arguments object and receiving the prompt result.

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

func chilkatTest() {
    var success: Bool = false

    let mcp = CkoMcp()!

    //  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(url: "https://learn.microsoft.com/api/mcp")
    if success == false {
        print("\(mcp.lastErrorText!)")
        return
    }

    //  Build the prompt's arguments (pass an empty object for a prompt that takes no arguments).  The
    //  prompt name and its arguments come from the "prompts" array returned by ListPrompts.
    let args = CkoJsonObject()!
    args.updateString(jsonPath: "topic", value: "azure-storage")

    //  Call the MCP prompts/get method for the named prompt.  The prompt result is placed in the
    //  JsonObject.
    let json = CkoJsonObject()!
    success = mcp.getPrompt(name: "example-prompt", arguments: args, json: json)
    if success == false {
        print("\(mcp.lastErrorText!)")
        return
    }

    json.emitCompact = false
    print("\(json.emit()!)")
    //  JSON parsing code for this result can be generated at Chilkat's online tool:
    //  https://tools.chilkat.io/jsonParse

}