diff --git a/go.mod b/go.mod
index 0a9307b3..9dc64f4b 100644
--- a/go.mod
+++ b/go.mod
@@ -7,13 +7,13 @@ require (
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.14.1
 	github.com/a2aproject/a2a-go/v2 v2.5.0
 	github.com/ag-ui-protocol/ag-ui/sdks/community/go v0.0.0-20260312103001-8e7ab1df34c8
-	github.com/anthropics/anthropic-sdk-go v1.73.0
+	github.com/anthropics/anthropic-sdk-go v1.74.0
 	github.com/github/copilot-sdk/go v1.0.14
 	github.com/gofrs/flock v0.13.1
 	github.com/google/jsonschema-go v0.4.3
 	github.com/google/uuid v1.6.0
 	github.com/modelcontextprotocol/go-sdk v1.8.0
-	github.com/openai/openai-go/v3 v3.61.0
+	github.com/openai/openai-go/v3 v3.63.1
 	go.opentelemetry.io/otel v1.46.0
 	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.46.0
 	go.opentelemetry.io/otel/metric v1.46.0
diff --git a/go.sum b/go.sum
index 2cc359b8..1fc3c260 100644
--- a/go.sum
+++ b/go.sum
@@ -20,8 +20,8 @@ github.com/a2aproject/a2a-go/v2 v2.5.0 h1:ZdcFoxv+nZTUV0i2ue5hES76YCANFPG9vjqd7v
 github.com/a2aproject/a2a-go/v2 v2.5.0/go.mod h1:NcRp/ZHxgMzDj12/BteIC2gOjljuEBKaGRfEdJ2lNSI=
 github.com/ag-ui-protocol/ag-ui/sdks/community/go v0.0.0-20260312103001-8e7ab1df34c8 h1:gcgM2iVSJ+5v1Li2O2xBm8jdY9bIo0coZdOlXOd0uLU=
 github.com/ag-ui-protocol/ag-ui/sdks/community/go v0.0.0-20260312103001-8e7ab1df34c8/go.mod h1:ERAMOexUee4AIuoxksuuGoEcHl3aqLwaazjGwlR9ZCI=
-github.com/anthropics/anthropic-sdk-go v1.73.0 h1:brLt0oVV6LH0YcG6O6G3pBnIVDJQ/QPoXul+OJHXEFc=
-github.com/anthropics/anthropic-sdk-go v1.73.0/go.mod h1:x+lPk/cCl48uRegeP0hlYYBN1b7bEBTveInIMgLicnY=
+github.com/anthropics/anthropic-sdk-go v1.74.0 h1:u6pcrBJHLJZb1Q6uziqQ5VLvAjh82sJrreWmABdOOas=
+github.com/anthropics/anthropic-sdk-go v1.74.0/go.mod h1:x+lPk/cCl48uRegeP0hlYYBN1b7bEBTveInIMgLicnY=
 github.com/bahlo/generic-list-go v0.2.0 h1:5sz/EEAK+ls5wF+NeqDpk5+iNdMDXrh3z3nPnH1Wvgk=
 github.com/bahlo/generic-list-go v0.2.0/go.mod h1:2KvAjgMlE5NNynlg/5iLrrCCZ2+5xWbdbCW3pNTGyYg=
 github.com/buger/jsonparser v1.1.2 h1:frqHqw7otoVbk5M8LlE/L7HTnIq2v9RX6EJ48i9AxJk=
@@ -73,8 +73,8 @@ github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/modelcontextprotocol/go-sdk v1.8.0 h1:KIvahhYqwtbeniWVPs3TcXEA7b8jEtwfBpOTAI+Urx4=
 github.com/modelcontextprotocol/go-sdk v1.8.0/go.mod h1:dL7u98E/zjJTGzEq+j30jQ8K2k1mb6LeAH4inEcSGts=
-github.com/openai/openai-go/v3 v3.61.0 h1:nMLuGFdKBF0sB3qFVNwE8kpBpenVN1ucYRoKcx7E1u0=
-github.com/openai/openai-go/v3 v3.61.0/go.mod h1:ufI1+K+t0ijRB3gk8eztiw1crcDpsBuxRQL4sbLIrts=
+github.com/openai/openai-go/v3 v3.63.1 h1:/OiQNzBQAdbu7foAnYcS9iBauG4n53nyiVDHt5CU3KQ=
+github.com/openai/openai-go/v3 v3.63.1/go.mod h1:dE39tezpSvL+SHpkZQm7XhSc8BOLDzu8CEh1mHc9MzU=
 github.com/pb33f/ordered-map/v2 v2.3.1 h1:5319HDO0aw4DA4gzi+zv4FXU9UlSs3xGZ40wcP1nBjY=
 github.com/pb33f/ordered-map/v2 v2.3.1/go.mod h1:qxFQgd0PkVUtOMCkTapqotNgzRhMPL7VvaHKbd1HnmQ=
 github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
diff --git a/provider/openaiprovider/responses.go b/provider/openaiprovider/responses.go
index 0f380ffc..622b2781 100644
--- a/provider/openaiprovider/responses.go
+++ b/provider/openaiprovider/responses.go
@@ -432,17 +432,10 @@ func responsesBuildCompletionParams(config AgentConfig, messages []*message.Mess
 		case *hostedtool.MCPServer:
 			var variant responses.ToolMcpParam
 			variant.ServerLabel = tl.ServerName
-			// The Responses API accepts either a server_url (a full HTTP(S)
-			// endpoint) or a connector_id (a bare service-connector identifier
-			// such as "connector_googledrive"); the two are mutually exclusive.
-			// url.Parse only errors on control-char/malformed input, so it
-			// cannot distinguish the two. Discriminate on an actual URL scheme
-			// instead, routing scheme-bearing addresses to server_url and bare
-			// connector IDs to connector_id.
+			// url.Parse only errors on control-char/malformed input, so only
+			// treat scheme-bearing HTTP(S) addresses as server_url values.
 			if u, err := url.Parse(tl.ServerAddress); err == nil && (u.Scheme == "http" || u.Scheme == "https") {
 				variant.ServerURL = openai.String(tl.ServerAddress)
-			} else {
-				variant.ConnectorID = tl.ServerAddress
 			}
 			if tl.ServerDescription != "" {
 				variant.ServerDescription = openai.String(tl.ServerDescription)
diff --git a/provider/openaiprovider/responses_test.go b/provider/openaiprovider/responses_test.go
index b364dbcd..4f92097f 100644
--- a/provider/openaiprovider/responses_test.go
+++ b/provider/openaiprovider/responses_test.go
@@ -3382,9 +3382,9 @@ func TestResponsesMCPServerToolAddressRouting(t *testing.T) {
 		wantTool      string
 	}{
 		{
-			name:          "bare connector id routes to connector_id",
+			name:          "bare connector id is not serialized",
 			serverAddress: "connector_googledrive",
-			wantTool:      `{"type":"mcp","server_label":"drive","connector_id":"connector_googledrive"}`,
+			wantTool:      `{"type":"mcp","server_label":"drive"}`,
 		},
 		{
 			name:          "https url routes to server_url",