TsgcWSAPIServer_MCP › Events

TsgcWSAPIServer_MCP Events

Events you can handle, grouped by purpose, followed by the full alphabetical list.

Session

Name	Description
OnMCPInitialize	Fired during the MCP handshake so server capabilities and ServerInfo can be customised per session.
OnMCPSessionNew	Raised every time a new MCP session is created.
OnMCPSessionEnd	Triggered when a session is closed or expires through SessionTimeout.
OnMCPException	Invoked when an unhandled exception reaches the server; allows overriding the HTTP response code.

Incoming requests

Name	Description
OnMCPRequestTool	Raised when a client issues tools/call; populate the response with the tool’s result.
OnMCPRequestPrompt	Raised when a client issues prompts/get; fill the messages returned for that prompt template.
OnMCPRequestResource	Raised when a client issues resources/read; stream the resource content back to the caller.

Responses

Name	Description
OnMCPResponseRootsList	Receives the client’s reply to RequestRootsList, exposing the shared roots.
OnMCPResponseSamplingCreateMessage	Receives the client’s reply to RequestSamplingCreateMessage with the generated message.
OnMCPResponseElicitationCreate	Receives the client’s reply to RequestElicitationCreate with the elicited values.

HTTP

Name	Description
OnMCPHTTPRequest	Fires when an HTTP request reaches the MCP endpoint; set Handled := True to supply a custom response.
OnMCPHTTPResponse	Fires after the HTTP response has been serialized; use it to add headers or log the exchange.

All Events (alphabetical)

Name	Description
OnMCPException	Invoked when an unhandled exception reaches the server; allows overriding the HTTP response code.
OnMCPHTTPRequest	Fires when an HTTP request reaches the MCP endpoint; set Handled := True to supply a custom response.
OnMCPHTTPResponse	Fires after the HTTP response has been serialized; use it to add headers or log the exchange.
OnMCPInitialize	Fired during the MCP handshake so server capabilities and ServerInfo can be customised per session.
OnMCPRequestPrompt	Raised when a client issues prompts/get; fill the messages returned for that prompt template.
OnMCPRequestResource	Raised when a client issues resources/read; stream the resource content back to the caller.
OnMCPRequestTool	Raised when a client issues tools/call; populate the response with the tool’s result.
OnMCPResponseElicitationCreate	Receives the client’s reply to RequestElicitationCreate with the elicited values.
OnMCPResponseRootsList	Receives the client’s reply to RequestRootsList, exposing the shared roots.
OnMCPResponseSamplingCreateMessage	Receives the client’s reply to RequestSamplingCreateMessage with the generated message.
OnMCPSessionEnd	Triggered when a session is closed or expires through SessionTimeout.
OnMCPSessionNew	Raised every time a new MCP session is created.