VBScript Requires Chilkat v11.6.0+
VBScript
Close an MCP Session
See more MCP Client Examples
Demonstrates Mcp.Close, which explicitly terminates the MCP session by sending an HTTP DELETE with the Mcp-Session-Id header and releasing the connection.
Background. The Model Context Protocol (MCP) lets a client interact with a server's tools, resources, and prompts over a standard JSON-RPC interface. This example connects to the public, no-authentication Microsoft Learn MCP server at
https://learn.microsoft.com/api/mcp over Streamable HTTP.Chilkat VBScript Downloads
Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)
success = 0
set mcp = 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.
success = mcp.Connect("https://learn.microsoft.com/api/mcp")
If (success = 0) Then
outFile.WriteLine(mcp.LastErrorText)
WScript.Quit
End If
' Explicitly terminate the MCP session. This sends an HTTP DELETE with the Mcp-Session-Id header
' and releases the connection.
success = mcp.Close()
If (success = 0) Then
outFile.WriteLine(mcp.LastErrorText)
WScript.Quit
End If
outFile.WriteLine("Session closed.")
outFile.Close