diff --git a/server/handlers/admin.go b/server/handlers/admin.go
index e496eb2..936cdcf 100644
--- a/server/handlers/admin.go
+++ b/server/handlers/admin.go
@@ -78,8 +78,17 @@ func (a *Admin) AddMocks(c echo.Context) error {
 		}
 	}
 
+	// Return the target session (id + name) so callers — shell scripts especially — can chain a
+	// GET /mocks?session=<id> without a separate GET /sessions lookup. Session names are not a
+	// reliable key (they need not be unique); the opaque id is.
+	session, err := a.mocksServices.GetSessionByID(sessionID)
+	if err != nil {
+		return echo.NewHTTPError(http.StatusInternalServerError, err.Error())
+	}
+
 	return c.JSON(http.StatusOK, echo.Map{
 		"message": "Mocks registered successfully",
+		"session": session.Summarize(),
 	})
 }
 
diff --git a/tests/features/set_mocks.yml b/tests/features/set_mocks.yml
index 86e21e2..e37d434 100644
--- a/tests/features/set_mocks.yml
+++ b/tests/features/set_mocks.yml
@@ -12,6 +12,9 @@ testcases:
         assertions:
           - result.statuscode ShouldEqual 200
           - result.bodyjson.message ShouldEqual "Mocks registered successfully"
+          # POST /mocks returns the target session so callers can chain GET /mocks?session=<id>.
+          - result.bodyjson.session.id ShouldNotBeEmpty
+          - result.bodyjson.session.name ShouldNotBeEmpty
 
       - type: http
         method: GET