B4X Requires Chilkat v11.6.0+

List the Tools Offered by an MCP Server

Demonstrates Mcp.ListTools, which calls the MCP tools/list method and places the server's result (a tools array describing each tool and its input schema) into a JsonObject.

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

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.

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Dim success As Boolean = False

Dim mcp As ChilkatMcp
mcp.Initialize("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 = False Then
    Log(mcp.LastErrorText)
    Return
End If


'  Call the MCP tools/list method.  On success, the server's result object -- containing a "tools"
'  array describing each available tool and its input schema -- is placed in the JsonObject.
Dim json As ChilkatJsonObject
json.Initialize
success = mcp.ListTools(json)
If success = False Then
    Log(mcp.LastErrorText)
    Return
End If


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