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

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This commit is contained in:
Mario Zechner
2026-01-24 21:08:15 +01:00
parent 79ded84d46
commit 89636cfe6e
1 changed files with 4 additions and 4 deletions
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8
packages/coding-agent/src/core/tools/read.ts
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@@ -51,7 +51,7 @@ export function createReadTool(cwd: string, options?: ReadToolOptions): AgentToo
return { return {
name: "read", name: "read",
label: "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, parameters: readSchema,
execute: async ( execute: async (
_toolCallId: string, _toolCallId: string,
@@ -168,9 +168,9 @@ export function createReadTool(cwd: string, options?: ReadToolOptions): AgentToo
outputText = truncation.content; outputText = truncation.content;
if (truncation.truncatedBy === "lines") { 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 { } 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=${nextOffset} to continue.]`;
} }
details = { truncation }; details = { truncation };
} else if (userLimitedLines !== undefined && startLine + userLimitedLines < allLines.length) { } else if (userLimitedLines !== undefined && startLine + userLimitedLines < allLines.length) {
@@ -179,7 +179,7 @@ export function createReadTool(cwd: string, options?: ReadToolOptions): AgentToo
const nextOffset = startLine + userLimitedLines + 1; const nextOffset = startLine + userLimitedLines + 1;
outputText = truncation.content; outputText = truncation.content;
outputText += `\n\n[${remaining} more lines in file. Use offset=${nextOffset} to continue]`; outputText += `\n\n[${remaining} more lines in file. Use offset=${nextOffset} to continue.]`;
} else { } else {
// No truncation, no user limit exceeded // No truncation, no user limit exceeded
outputText = truncation.content; outputText = truncation.content;