diff --git a/e2e/console/trust_center_alias_test.go b/e2e/console/trust_center_alias_test.go
new file mode 100644
index 000000000..ae81a7ec6
--- /dev/null
+++ b/e2e/console/trust_center_alias_test.go
@@ -0,0 +1,116 @@
+// Copyright (c) 2026 Probo Inc <hello@probo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package console_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"go.probo.inc/probo/e2e/internal/factory"
+	"go.probo.inc/probo/e2e/internal/testutil"
+)
+
+func TestTrustCenterAlias_SetAndRead(t *testing.T) {
+	t.Parallel()
+
+	owner := testutil.NewClient(t, testutil.RoleOwner)
+	documentID := factory.NewDocument(owner).WithTitle("Alias Test Document").Create()
+
+	const setAliasMutation = `
+		mutation($input: SetTrustCenterAliasInput!) {
+			setTrustCenterAlias(input: $input) {
+				alias {
+					resourceId
+					alias
+				}
+			}
+		}
+	`
+
+	var setResult struct {
+		SetTrustCenterAlias struct {
+			Alias struct {
+				ResourceID string `json:"resourceId"`
+				Alias      string `json:"alias"`
+			} `json:"alias"`
+		} `json:"setTrustCenterAlias"`
+	}
+
+	err := owner.Execute(setAliasMutation, map[string]any{
+		"input": map[string]any{
+			"resourceId": documentID,
+			"alias":      "privacy-policy",
+		},
+	}, &setResult)
+	require.NoError(t, err)
+	assert.Equal(t, documentID, setResult.SetTrustCenterAlias.Alias.ResourceID)
+	assert.Equal(t, "privacy-policy", setResult.SetTrustCenterAlias.Alias.Alias)
+
+	const getDocumentQuery = `
+		query($id: ID!) {
+			node(id: $id) {
+				... on Document {
+					id
+					alias
+				}
+			}
+		}
+	`
+
+	var getResult struct {
+		Node struct {
+			ID               string  `json:"id"`
+			Alias *string `json:"alias"`
+		} `json:"node"`
+	}
+
+	err = owner.Execute(getDocumentQuery, map[string]any{"id": documentID}, &getResult)
+	require.NoError(t, err)
+	require.NotNil(t, getResult.Node.Alias)
+	assert.Equal(t, "privacy-policy", *getResult.Node.Alias)
+}
+
+func TestTrustCenterAlias_Conflict(t *testing.T) {
+	t.Parallel()
+
+	owner := testutil.NewClient(t, testutil.RoleOwner)
+	docA := factory.NewDocument(owner).WithTitle("Alias Conflict A").Create()
+	docB := factory.NewDocument(owner).WithTitle("Alias Conflict B").Create()
+
+	const setAliasMutation = `
+		mutation($input: SetTrustCenterAliasInput!) {
+			setTrustCenterAlias(input: $input) {
+				alias { alias }
+			}
+		}
+	`
+
+	err := owner.Execute(setAliasMutation, map[string]any{
+		"input": map[string]any{
+			"resourceId": docA,
+			"alias":      "shared-alias",
+		},
+	}, nil)
+	require.NoError(t, err)
+
+	_, err = owner.Do(setAliasMutation, map[string]any{
+		"input": map[string]any{
+			"resourceId": docB,
+			"alias":      "shared-alias",
+		},
+	})
+	require.Error(t, err)
+}
diff --git a/e2e/mcp/trust_center_alias_test.go b/e2e/mcp/trust_center_alias_test.go
new file mode 100644
index 000000000..116039e5d
--- /dev/null
+++ b/e2e/mcp/trust_center_alias_test.go
@@ -0,0 +1,54 @@
+// Copyright (c) 2026 Probo Inc <hello@probo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package mcp_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"go.probo.inc/probo/e2e/internal/factory"
+	"go.probo.inc/probo/e2e/internal/testutil"
+)
+
+func TestMCP_SetTrustCenterAlias(t *testing.T) {
+	t.Parallel()
+
+	owner := testutil.NewClient(t, testutil.RoleOwner)
+	mc := testutil.NewMCPClient(t, owner)
+	documentID := factory.NewDocument(owner).WithTitle("MCP Alias Document").Create()
+
+	var result struct {
+		TrustCenterAlias struct {
+			ResourceID string `json:"resource_id"`
+			Alias      string `json:"alias"`
+		} `json:"trust_center_alias"`
+	}
+
+	mc.CallToolInto("setTrustCenterAlias", map[string]any{
+		"resource_id": documentID,
+		"alias":       "mcp-privacy-policy",
+	}, &result)
+	assert.Equal(t, documentID, result.TrustCenterAlias.ResourceID)
+	assert.Equal(t, "mcp-privacy-policy", result.TrustCenterAlias.Alias)
+
+	var removeResult struct {
+		DeletedResourceID string `json:"deleted_resource_id"`
+	}
+
+	mc.CallToolInto("removeTrustCenterAlias", map[string]any{
+		"resource_id": documentID,
+	}, &removeResult)
+	assert.Equal(t, documentID, removeResult.DeletedResourceID)
+}