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Lianja Requires Chilkat v11.6.0+

Get the Last JSON-RPC Response from an MCP Server

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Demonstrates Mcp.GetLastJsonData, which returns the complete JSON-RPC response envelope (the jsonrpc, id, and result members) from the most recent request 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. This exposes the full protocol-level response for inspection or debugging after any MCP request.

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Lianja
llSuccess = .F.

loMcp = createobject("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.
llSuccess = loMcp.Connect("https://learn.microsoft.com/api/mcp")
if (llSuccess = .F.) then
    ? loMcp.LastErrorText
    release loMcp
    return
endif

//  Perform an MCP request.
loToolsResult = createobject("CkJsonObject")
llSuccess = loMcp.ListTools(loToolsResult)
if (llSuccess = .F.) then
    ? loMcp.LastErrorText
    release loMcp
    release loToolsResult
    return
endif

//  Get the complete JSON-RPC response envelope (the jsonrpc, id, and result members) from the most
//  recent request.
loJson = createobject("CkJsonObject")
loMcp.GetLastJsonData(loJson)

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


release loMcp
release loToolsResult
release loJson