fix(coding-agent): improve read tool description for full file reads

This commit is contained in:
Mario Zechner 2026-01-24 21:08:15 +01:00
parent 79ded84d46
commit 89636cfe6e

View file

@ -51,7 +51,7 @@ export function createReadTool(cwd: string, options?: ReadToolOptions): AgentToo
return {
name: "read",
label: "read",
description: `Read the contents of a file. Supports text files and images (jpg, png, gif, webp). Images are sent as attachments. For text files, output is truncated to ${DEFAULT_MAX_LINES} lines or ${DEFAULT_MAX_BYTES / 1024}KB (whichever is hit first). Use offset/limit for large files.`,
description: `Read the contents of a file. Supports text files and images (jpg, png, gif, webp). Images are sent as attachments. For text files, output is truncated to ${DEFAULT_MAX_LINES} lines or ${DEFAULT_MAX_BYTES / 1024}KB (whichever is hit first). Use offset/limit for large files. When you need the full file, continue with offset until complete.`,
parameters: readSchema,
execute: async (
_toolCallId: string,
@ -168,9 +168,9 @@ export function createReadTool(cwd: string, options?: ReadToolOptions): AgentToo
outputText = truncation.content;
if (truncation.truncatedBy === "lines") {
outputText += `\n\n[Showing lines ${startLineDisplay}-${endLineDisplay} of ${totalFileLines}. Use offset=${nextOffset} to continue]`;
outputText += `\n\n[Showing lines ${startLineDisplay}-${endLineDisplay} of ${totalFileLines}. Use offset=${nextOffset} to continue.]`;
} else {
outputText += `\n\n[Showing lines ${startLineDisplay}-${endLineDisplay} of ${totalFileLines} (${formatSize(DEFAULT_MAX_BYTES)} limit). Use offset=${nextOffset} to continue]`;
outputText += `\n\n[Showing lines ${startLineDisplay}-${endLineDisplay} of ${totalFileLines} (${formatSize(DEFAULT_MAX_BYTES)} limit). Use offset=${nextOffset} to continue.]`;
}
details = { truncation };
} else if (userLimitedLines !== undefined && startLine + userLimitedLines < allLines.length) {
@ -179,7 +179,7 @@ export function createReadTool(cwd: string, options?: ReadToolOptions): AgentToo
const nextOffset = startLine + userLimitedLines + 1;
outputText = truncation.content;
outputText += `\n\n[${remaining} more lines in file. Use offset=${nextOffset} to continue]`;
outputText += `\n\n[${remaining} more lines in file. Use offset=${nextOffset} to continue.]`;
} else {
// No truncation, no user limit exceeded
outputText = truncation.content;