Get a Prompt from an MCP Server

See more MCP Client Examples

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.

LOCAL nSuccess
LOCAL oMcp
LOCAL oArgs
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

//  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.
oArgs := CreateObject("Chilkat.JsonObject")
oArgs:UpdateString("topic", "azure-storage")

//  Call the MCP prompts/get method for the named prompt.  The prompt result is placed in the
//  JsonObject.
oJson := CreateObject("Chilkat.JsonObject")
nSuccess := oMcp:GetPrompt("example-prompt", oArgs, oJson)
IF (nSuccess == 0)
    ? oMcp:LastErrorText
    oMcp:destroy()
    oArgs: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()
oArgs:destroy()
oJson:destroy()