diff --git a/litellm/proxy/_lazy_openapi_snapshot.json b/litellm/proxy/_lazy_openapi_snapshot.json
index c76b9be7c33..130a2d01037 100644
--- a/litellm/proxy/_lazy_openapi_snapshot.json
+++ b/litellm/proxy/_lazy_openapi_snapshot.json
@@ -36650,6 +36650,57 @@
           "title": "MCPEnvVarScope",
           "type": "string"
         },
+        "MCPToolCallRequest": {
+          "additionalProperties": true,
+          "description": "Request body for `POST /mcp-rest/tools/call`.\n\nFields stay optional here on purpose: the endpoint answers a missing\n`server_id` or `name` with its 400 `missing_parameter` response rather\nthan a framework 422, and unknown fields pass through to the pre-call\npipeline, matching the previous untyped `request.json()` handling.",
+          "properties": {
+            "arguments": {
+              "additionalProperties": true,
+              "description": "Arguments to pass to the tool.",
+              "title": "Arguments",
+              "type": "object"
+            },
+            "metadata": {
+              "anyOf": [
+                {
+                  "additionalProperties": true,
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Optional request metadata, forwarded to logging and guardrails.",
+              "title": "Metadata"
+            },
+            "name": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Required. The name of the tool to call.",
+              "title": "Name"
+            },
+            "server_id": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Required. The id of the MCP server that owns the tool to call.",
+              "title": "Server Id"
+            }
+          },
+          "title": "MCPToolCallRequest",
+          "type": "object"
+        },
         "NewMCPServerRequest": {
           "properties": {
             "alias": {
@@ -37415,6 +37466,23 @@
         "post": {
           "description": "REST API to call a specific MCP tool with the provided arguments",
           "operationId": "call_tool_rest_api_mcp_rest_tools_call_post_2",
+          "requestBody": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/MCPToolCallRequest"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "title": "Body"
+                }
+              }
+            }
+          },
           "responses": {
             "200": {
               "content": {
@@ -37423,6 +37491,16 @@
                 }
               },
               "description": "Successful Response"
+            },
+            "422": {
+              "content": {
+                "application/json": {
+                  "schema": {
+                    "$ref": "#/components/schemas/HTTPValidationError"
+                  }
+                }
+              },
+              "description": "Validation Error"
             }
           },
           "security": [
@@ -46985,6 +47063,57 @@
           "title": "MCPEnvVarScope",
           "type": "string"
         },
+        "MCPToolCallRequest": {
+          "additionalProperties": true,
+          "description": "Request body for `POST /mcp-rest/tools/call`.\n\nFields stay optional here on purpose: the endpoint answers a missing\n`server_id` or `name` with its 400 `missing_parameter` response rather\nthan a framework 422, and unknown fields pass through to the pre-call\npipeline, matching the previous untyped `request.json()` handling.",
+          "properties": {
+            "arguments": {
+              "additionalProperties": true,
+              "description": "Arguments to pass to the tool.",
+              "title": "Arguments",
+              "type": "object"
+            },
+            "metadata": {
+              "anyOf": [
+                {
+                  "additionalProperties": true,
+                  "type": "object"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Optional request metadata, forwarded to logging and guardrails.",
+              "title": "Metadata"
+            },
+            "name": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Required. The name of the tool to call.",
+              "title": "Name"
+            },
+            "server_id": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "description": "Required. The id of the MCP server that owns the tool to call.",
+              "title": "Server Id"
+            }
+          },
+          "title": "MCPToolCallRequest",
+          "type": "object"
+        },
         "NewMCPServerRequest": {
           "properties": {
             "alias": {
@@ -47622,6 +47751,23 @@
         "post": {
           "description": "REST API to call a specific MCP tool with the provided arguments",
           "operationId": "call_tool_rest_api_mcp_rest_tools_call_post",
+          "requestBody": {
+            "content": {
+              "application/json": {
+                "schema": {
+                  "anyOf": [
+                    {
+                      "$ref": "#/components/schemas/MCPToolCallRequest"
+                    },
+                    {
+                      "type": "null"
+                    }
+                  ],
+                  "title": "Body"
+                }
+              }
+            }
+          },
           "responses": {
             "200": {
               "content": {
@@ -47630,6 +47776,16 @@
                 }
               },
               "description": "Successful Response"
+            },
+            "422": {
+              "content": {
+                "application/json": {
+                  "schema": {
+                    "$ref": "#/components/schemas/HTTPValidationError"
+                  }
+                }
+              },
+              "description": "Validation Error"
             }
           },
           "security": [
diff --git a/ui/litellm-dashboard/src/lib/http/schema.d.ts b/ui/litellm-dashboard/src/lib/http/schema.d.ts
index 960616e2631..c1f9e0ea17f 100644
--- a/ui/litellm-dashboard/src/lib/http/schema.d.ts
+++ b/ui/litellm-dashboard/src/lib/http/schema.d.ts
@@ -38130,6 +38130,43 @@ export interface components {
             /** Total */
             total: number;
         };
+        /**
+         * MCPToolCallRequest
+         * @description Request body for `POST /mcp-rest/tools/call`.
+         *
+         *     Fields stay optional here on purpose: the endpoint answers a missing
+         *     `server_id` or `name` with its 400 `missing_parameter` response rather
+         *     than a framework 422, and unknown fields pass through to the pre-call
+         *     pipeline, matching the previous untyped `request.json()` handling.
+         */
+        MCPToolCallRequest: {
+            /**
+             * Arguments
+             * @description Arguments to pass to the tool.
+             */
+            arguments?: {
+                [key: string]: unknown;
+            };
+            /**
+             * Metadata
+             * @description Optional request metadata, forwarded to logging and guardrails.
+             */
+            metadata?: {
+                [key: string]: unknown;
+            } | null;
+            /**
+             * Name
+             * @description Required. The name of the tool to call.
+             */
+            name?: string | null;
+            /**
+             * Server Id
+             * @description Required. The id of the MCP server that owns the tool to call.
+             */
+            server_id?: string | null;
+        } & {
+            [key: string]: unknown;
+        };
         /**
          * MCPToolSearchSettings
          * @description `litellm_settings.mcp_tool_search`: how the native `mcp_tool_search` virtual tool ranks the caller's tools.
@@ -65191,7 +65228,11 @@ export interface operations {
             path?: never;
             cookie?: never;
         };
-        requestBody?: never;
+        requestBody?: {
+            content: {
+                "application/json": components["schemas"]["MCPToolCallRequest"] | null;
+            };
+        };
         responses: {
             /** @description Successful Response */
             200: {
@@ -65202,6 +65243,15 @@ export interface operations {
                     "application/json": unknown;
                 };
             };
+            /** @description Validation Error */
+            422: {
+                headers: {
+                    [name: string]: unknown;
+                };
+                content: {
+                    "application/json": components["schemas"]["HTTPValidationError"];
+                };
+            };
         };
     };
     list_tool_rest_api_mcp_rest_tools_list_get: {