diff --git a/backend/package.json b/backend/package.json
index 36ba56027..a12dac473 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -46,6 +46,7 @@
 		"@rocketadmin/shared-code": "workspace:*",
 		"@sentry/minimal": "^6.19.7",
 		"@sentry/node": "10.39.0",
+		"@toon-format/toon": "^2.1.0",
 		"@types/crypto-js": "^4.2.2",
 		"@types/jsonwebtoken": "^9.0.10",
 		"@types/multer": "^2.0.0",
diff --git a/backend/src/ai-core/tools/prompts.ts b/backend/src/ai-core/tools/prompts.ts
index 9e8a9b13b..62ce9778b 100644
--- a/backend/src/ai-core/tools/prompts.ts
+++ b/backend/src/ai-core/tools/prompts.ts
@@ -14,6 +14,8 @@ Table name: "${tableName}".
 ${schema ? `Schema: "${schema}".` : ''}
 Current date and time: ${currentDatetime}
 
+Tool responses are encoded in TOON (Token-Oriented Object Notation) format - a compact, human-readable format similar to YAML with CSV-style tabular arrays. Parse it naturally.
+
 Please follow these steps EXACTLY:
 1. First, always use the getTableStructure tool to analyze the table schema and understand available columns
 2. If the question requires data from related tables, note their relationships
diff --git a/backend/src/ai-core/utils/index.ts b/backend/src/ai-core/utils/index.ts
index e4be3d96f..1768a7c89 100644
--- a/backend/src/ai-core/utils/index.ts
+++ b/backend/src/ai-core/utils/index.ts
@@ -1 +1,2 @@
 export * from './message-builder.js';
+export * from './toon-encoder.js';
diff --git a/backend/src/ai-core/utils/toon-encoder.ts b/backend/src/ai-core/utils/toon-encoder.ts
new file mode 100644
index 000000000..84b6c8f16
--- /dev/null
+++ b/backend/src/ai-core/utils/toon-encoder.ts
@@ -0,0 +1,9 @@
+import { encode as toonEncode } from '@toon-format/toon';
+
+export function encodeToToon(data: unknown): string {
+	return toonEncode(data);
+}
+
+export function encodeError(error: { error: string }): string {
+	return JSON.stringify(error);
+}
diff --git a/backend/src/entities/ai/use-cases/request-info-from-table-with-ai-v7.use.case.ts b/backend/src/entities/ai/use-cases/request-info-from-table-with-ai-v7.use.case.ts
index 4d4d21e88..92c79f03e 100644
--- a/backend/src/entities/ai/use-cases/request-info-from-table-with-ai-v7.use.case.ts
+++ b/backend/src/entities/ai/use-cases/request-info-from-table-with-ai-v7.use.case.ts
@@ -14,6 +14,8 @@ import {
 	AIToolDefinition,
 	createDatabaseQuerySystemPrompt,
 	createDatabaseTools,
+	encodeError,
+	encodeToToon,
 	isValidMongoDbCommand,
 	isValidSQLQuery,
 	MessageBuilder,
@@ -243,7 +245,7 @@ export class RequestInfoFromTableWithAIUseCaseV7
 							userEmail,
 							foundConnection,
 						);
-						result = JSON.stringify(structureInfo);
+						result = encodeToToon(structureInfo);
 						break;
 					}
 
@@ -259,7 +261,7 @@ export class RequestInfoFromTableWithAIUseCaseV7
 						}
 						const wrappedQuery = wrapQueryWithLimit(query, foundConnection.type as ConnectionTypesEnum);
 						const queryResult = await dataAccessObject.executeRawQuery(wrappedQuery, inputTableName, userEmail);
-						result = JSON.stringify(queryResult);
+						result = encodeToToon(queryResult);
 						break;
 					}
 
@@ -274,15 +276,15 @@ export class RequestInfoFromTableWithAIUseCaseV7
 							);
 						}
 						const pipelineResult = await dataAccessObject.executeRawQuery(pipeline, inputTableName, userEmail);
-						result = JSON.stringify(pipelineResult);
+						result = encodeToToon(pipelineResult);
 						break;
 					}
 
 					default:
-						result = JSON.stringify({ error: `Unknown tool: ${toolCall.name}` });
+						result = encodeError({ error: `Unknown tool: ${toolCall.name}` });
 				}
 			} catch (error) {
-				result = JSON.stringify({ error: error.message });
+				result = encodeError({ error: error.message });
 			}
 
 			results.push({ toolCallId: toolCall.id, result });
diff --git a/yarn.lock b/yarn.lock
index 9843578ee..5cdcaedb8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5231,6 +5231,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@toon-format/toon@npm:^2.1.0":
+  version: 2.1.0
+  resolution: "@toon-format/toon@npm:2.1.0"
+  checksum: 79d3595d4806cf16ce7a4961fdcbb8a9afe4583ecd6297e0d4cbcd07c5ef2a7ee60665a5d82ce07cbe3dd36c22ee54fa515968b12afa04c74df449baee28fb6a
+  languageName: node
+  linkType: hard
+
 "@tsconfig/node10@npm:^1.0.7":
   version: 1.0.12
   resolution: "@tsconfig/node10@npm:1.0.12"
@@ -6382,6 +6389,7 @@ __metadata:
     "@rocketadmin/shared-code": "workspace:*"
     "@sentry/minimal": ^6.19.7
     "@sentry/node": 10.39.0
+    "@toon-format/toon": ^2.1.0
     "@types/bcrypt": ^6.0.0
     "@types/body-parser": ^1.19.6
     "@types/cookie-parser": ^1.4.10