diff --git a/packages/types/src/tool-params.ts b/packages/types/src/tool-params.ts
index bb408c18e3..20f2273ba1 100644
--- a/packages/types/src/tool-params.ts
+++ b/packages/types/src/tool-params.ts
@@ -27,6 +27,8 @@ export interface FileEntry {
 	path: string
 	/** 1-indexed line number to start reading from (default: 1) */
 	offset?: number
+	/** Maximum lines to return (default: value of maxReadFileLine setting) */
+	limit?: number
 	/** Reading mode: "slice" for simple reading, "indentation" for smart block extraction */
 	mode?: ReadMode
 	/** Configuration for indentation mode */
diff --git a/src/core/tools/ReadFileTool.ts b/src/core/tools/ReadFileTool.ts
index a7f5e4fb50..a070efc061 100644
--- a/src/core/tools/ReadFileTool.ts
+++ b/src/core/tools/ReadFileTool.ts
@@ -37,6 +37,7 @@ interface FileResult {
 	notice?: string
 	// Slice/indentation mode parameters
 	offset?: number
+	limit?: number
 	mode?: ReadMode
 	indentation?: IndentationConfig
 	xmlContent?: string
@@ -106,6 +107,7 @@ export class ReadFileTool extends BaseTool<"read_file"> {
 			status: "pending",
 			// Map slice/indentation mode parameters
 			offset: entry.offset,
+			limit: entry.limit,
 			mode: entry.mode,
 			indentation: entry.indentation,
 		}))
@@ -395,7 +397,7 @@ export class ReadFileTool extends BaseTool<"read_file"> {
 							const result = await readFileContent({
 								filePath: fullPath,
 								offset: fileResult.offset,
-								// limit is controlled by maxReadFileLine setting, not model input
+								limit: fileResult.limit,
 								mode: fileResult.mode,
 								indentation: fileResult.indentation,
 								defaultLimit: maxReadFileLine > 0 ? maxReadFileLine : undefined,
diff --git a/src/integrations/misc/read-file-content.ts b/src/integrations/misc/read-file-content.ts
index 91fc8e22b4..52362042f2 100644
--- a/src/integrations/misc/read-file-content.ts
+++ b/src/integrations/misc/read-file-content.ts
@@ -452,7 +452,7 @@ export async function readIndentationBlock(
 				hasMoreAfter: r.number < records.length,
 				linesBeforeStart: r.number - 1,
 				linesAfterEnd: records.length - r.number,
-				truncatedByLimit: true,
+				truncatedByLimit: records.length > finalLimit,
 				lineLengthTruncations,
 			},
 		}