_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.