diff --git a/specification/ai/Azure.AI.Projects/evaluation-results/routes.tsp b/specification/ai/Azure.AI.Projects/evaluation-results/routes.tsp
index 5f0ce1d479d5..65a1e6615e34 100644
--- a/specification/ai/Azure.AI.Projects/evaluation-results/routes.tsp
+++ b/specification/ai/Azure.AI.Projects/evaluation-results/routes.tsp
@@ -4,6 +4,7 @@ import "@azure-tools/typespec-autorest";
 import "@typespec/versioning";
 import "@azure-tools/typespec-azure-core";
 import "../common/models.tsp";
+import "../evaluations/models.tsp";
 import "./models.tsp";
 import "../servicepatterns.tsp";
 import "../main.tsp";
@@ -57,4 +58,17 @@ interface EvaluationResults
     AssetCredentialRequest,
     AssetCredentialResponse
   >;
+
+  #suppress "@azure-tools/typespec-azure-core/use-standard-operations"
+  @doc("Get agent evaluation results.")
+  @route("/runs/agents/{runId}")
+  @get
+  getAgentEvaluationResults is Azure.Core.Foundations.Operation<
+    {
+      @doc("Agent run id, for agent API v1, it's `[thread_id]:[run_id]`; for agent API v2, it's only the run_id.")
+      @path
+      runId: string;
+    },
+    ResourceCreatedResponse<AgentEvaluation>
+  >;
 }
diff --git a/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-15-preview/azure-ai-projects-1dp.json b/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-15-preview/azure-ai-projects-1dp.json
index 1b4726f4a55d..5bbb8045d3f3 100644
--- a/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-15-preview/azure-ai-projects-1dp.json
+++ b/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-15-preview/azure-ai-projects-1dp.json
@@ -2608,6 +2608,44 @@
           }
         }
       }
+    },
+    "/runs/agents/{runId}": {
+      "get": {
+        "operationId": "EvaluationResults_GetAgentEvaluationResults",
+        "description": "Get agent evaluation results.",
+        "parameters": [
+          {
+            "$ref": "#/parameters/Azure.Core.Foundations.ApiVersionParameter"
+          },
+          {
+            "name": "runId",
+            "in": "path",
+            "description": "Agent run id, for agent API v1, it's `[thread_id]:[run_id]`; for agent API v2, it's only the run_id.",
+            "required": true,
+            "type": "string"
+          }
+        ],
+        "responses": {
+          "201": {
+            "description": "The request has succeeded and a new resource has been created as a result.",
+            "schema": {
+              "$ref": "#/definitions/AgentEvaluation"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/Azure.Core.Foundations.ErrorResponse"
+            },
+            "headers": {
+              "x-ms-error-code": {
+                "type": "string",
+                "description": "String error code indicating what went wrong."
+              }
+            }
+          }
+        }
+      }
     }
   },
   "definitions": {