diff --git a/go.mod b/go.mod
index 258da54c7..2d989d13e 100644
--- a/go.mod
+++ b/go.mod
@@ -10,9 +10,9 @@ require (
 	github.com/creack/pty v1.1.24
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/goccy/go-yaml v1.18.0
-	github.com/google/jsonschema-go v0.2.1-0.20250825175020-748c325cec76
+	github.com/google/jsonschema-go v0.3.0
 	github.com/mattn/go-isatty v0.0.20
-	github.com/modelcontextprotocol/go-sdk v0.4.0
+	github.com/modelcontextprotocol/go-sdk v1.1.0
 	github.com/santhosh-tekuri/jsonschema/v6 v6.0.2
 	github.com/sourcegraph/conc v0.3.0
 	github.com/spf13/cobra v1.10.1
@@ -57,6 +57,7 @@ require (
 	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	go.uber.org/atomic v1.7.0 // indirect
 	go.uber.org/multierr v1.9.0 // indirect
+	golang.org/x/oauth2 v0.30.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect
 	golang.org/x/term v0.37.0 // indirect
 	golang.org/x/text v0.31.0 // indirect
diff --git a/go.sum b/go.sum
index 80f330b32..d19c459cc 100644
--- a/go.sum
+++ b/go.sum
@@ -71,8 +71,8 @@ github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
 github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-github.com/google/jsonschema-go v0.2.1-0.20250825175020-748c325cec76 h1:mBlBwtDebdDYr+zdop8N62a44g+Nbv7o2KjWyS1deR4=
-github.com/google/jsonschema-go v0.2.1-0.20250825175020-748c325cec76/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
+github.com/google/jsonschema-go v0.3.0 h1:6AH2TxVNtk3IlvkkhjrtbUc4S8AvO0Xii0DxIygDg+Q=
+github.com/google/jsonschema-go v0.3.0/go.mod h1:r5quNTdLOYEz95Ru18zA0ydNbBuYoo9tgaYcxEYhJVE=
 github.com/henvic/httpretty v0.1.4 h1:Jo7uwIRWVFxkqOnErcoYfH90o3ddQyVrSANeS4cxYmU=
 github.com/henvic/httpretty v0.1.4/go.mod h1:Dn60sQTZfbt2dYsdUSNsCljyF4AfdqnuJFDLJA1I4AM=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
@@ -94,8 +94,8 @@ github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byF
 github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
 github.com/mitchellh/hashstructure/v2 v2.0.2 h1:vGKWl0YJqUNxE8d+h8f6NJLcCJrgbhC4NcD46KavDd4=
 github.com/mitchellh/hashstructure/v2 v2.0.2/go.mod h1:MG3aRVU/N29oo/V/IhBX8GR/zz4kQkprJgF2EVszyDE=
-github.com/modelcontextprotocol/go-sdk v0.4.0 h1:RJ6kFlneHqzTKPzlQqiunrz9nbudSZcYLmLHLsokfoU=
-github.com/modelcontextprotocol/go-sdk v0.4.0/go.mod h1:whv0wHnsTphwq7CTiKYHkLtwLC06WMoY2KpO+RB9yXQ=
+github.com/modelcontextprotocol/go-sdk v1.1.0 h1:Qjayg53dnKC4UZ+792W21e4BpwEZBzwgRW6LrjLWSwA=
+github.com/modelcontextprotocol/go-sdk v1.1.0/go.mod h1:6fM3LCm3yV7pAs8isnKLn07oKtB0MP9LHd3DfAcKw10=
 github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
 github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
 github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
@@ -140,6 +140,8 @@ go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
 go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
+golang.org/x/oauth2 v0.30.0 h1:dnDm7JmhM45NNpd8FDDeLhK6FwqbOf4MLCM9zb1BOHI=
+golang.org/x/oauth2 v0.30.0/go.mod h1:B++QgG3ZKulg6sRPGD/mqlHQs5rB3Ml9erfeDY7xKlU=
 golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210831042530-f4d43177bf5e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
diff --git a/pkg/cli/mcp_server_add_test.go b/pkg/cli/mcp_server_add_test.go
index 746cdef13..9cf921c31 100644
--- a/pkg/cli/mcp_server_add_test.go
+++ b/pkg/cli/mcp_server_add_test.go
@@ -182,31 +182,21 @@ func TestMCPServer_AddToolInvocation(t *testing.T) {
 
 	// Test 2: Call with missing workflows parameter (should fail)
 	t.Run("MissingWorkflows", func(t *testing.T) {
-		callResult, err := session.CallTool(ctx, &mcp.CallToolParams{
+		_, err := session.CallTool(ctx, &mcp.CallToolParams{
 			Name:      "add",
 			Arguments: map[string]any{},
 		})
 
-		if err != nil {
-			t.Fatalf("Failed to call add tool: %v", err)
-		}
-
-		// Verify we got error output
-		if len(callResult.Content) == 0 {
-			t.Fatal("add tool returned no content")
-		}
-
-		// Extract text content
-		var outputText string
-		for _, content := range callResult.Content {
-			if textContent, ok := content.(*mcp.TextContent); ok {
-				outputText += textContent.Text
-			}
+		// MCP SDK v1.1.0 validates parameters before calling the tool,
+		// so we expect an error from CallTool itself
+		if err == nil {
+			t.Fatal("Expected error when calling add tool with missing workflows parameter")
 		}
 
-		// Should contain error message
-		if !strings.Contains(outputText, "Error") && !strings.Contains(outputText, "error") && !strings.Contains(outputText, "required") {
-			t.Errorf("Expected error message for missing workflows, got: %s", outputText)
+		// Verify the error message mentions the missing required parameter
+		errMsg := err.Error()
+		if !strings.Contains(errMsg, "workflows") && !strings.Contains(errMsg, "required") {
+			t.Errorf("Expected error message to mention missing 'workflows' parameter, got: %s", errMsg)
 		}
 	})
 }