_file-output-guard

Create files via create_file and append segments for large outputs.

2|Updated Nov 2, 2025
One-click install
npx skills add https://github.com/wxy/SilentFeed --skill file-output-guard
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: _file-output-guard
Source: https://github.com/wxy/SilentFeed/tree/main/.copilot/skills/_file-output-guard
Command: npx skills add https://github.com/wxy/SilentFeed --skill file-output-guard

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill enforces safe file creation and controlled large-output handling to prevent accidental data loss and session overflows.

Core Features & Use Cases

  • Creates files only via create_file commands to avoid HERE-documents.
  • Splits large outputs into segments and appends to a single file to prevent session limits.
  • Applies guardrails across any operation that writes new content to disk, ensuring predictable, auditable file generation. Use cases include generating large config files, log dumps, or long-form documents in a single file while maintaining safety.

Quick Start

Create a new guarded file using create_file and, if the content is large, append subsequent segments to the same file.

Frequently Asked Questions about _file-output-guard

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prevent accidental data loss when writing large outputs to a file?

To prevent accidental data loss when writing large outputs, use guarded file creation via the create_file command instead of HERE-documents, splitting large content into segments and appending them to a single file to prevent session overflows.

Why does writing large files using HERE-documents cause session overflows and how do I avoid it?

Writing large files with HERE-documents risks session overflows because they load entire content at once. You can avoid this by using create_file for initial writes and appending segmented chunks to maintain predictable, auditable file generation.

What is the best way to generate large configuration files without exceeding session limits?

The best way to generate large configuration files without exceeding session limits is to enforce segmented writes: create the initial file using create_file, then append subsequent segments to the same file to maintain safety and prevent overflows.

Can I use guarded writes to split long-form documents into segments within a single file?

Yes, you can use guarded writes to split long-form documents into segments. This Skill applies safety validations across disk-writing operations, allowing you to append large output segments to a single file predictably.

Does create_file work with segmented writes for generating log dumps safely?

Yes, create_file works with segmented writes for generating log dumps safely. It enforces guardrails across new disk-writing operations, handling both small and very large outputs by appending segments when needed to prevent data loss.

When should I use guardrails for file-writing operations?

You should use guardrails for file-writing operations whenever generating large config files, log dumps, or long-form documents. This enforces safety validations and constraint enforcement, ensuring predictable, auditable file generation without session overflows.