Agent skill · writing content · github
update-llms
Update the llms.txt file in the root folder to reflect changes in documentation or specifications following the llms.txt specification at https://llmstxt.org/
Why this skill is useful
Codifies the process for updating the llms.txt file, which the AI could infer but now has a clear standard to follow.
What it needs
About 5k tokens when loaded. Last updated 2026-08-07. 37,534 stars on the source repository.
What this skill does
Update LLMs.txt File Update the existing llms.txt file in the root of the repository to reflect changes in documentation, specifications, or repository structure. This file provides high-level guidance to large language models (LLMs) on where to find relevant content for understanding the repository's purpose and specifications. Primary Directive Update the existing llms.txt file to maintain accuracy and compliance with the llms.txt specification while reflecting current repository structure and content. The file must remain optimized for LLM consumption while staying human-readable. Analysis and Planning Phase Before updating the llms.txt file, you must complete a thorough analysis: Step 1: Review Current File and Specification Read the existing llms.txt file to understand current structure Review the official specification at https://llmstxt.org/ to ensure continued compliance Identify areas that may need updates based on repository changes Step 2: Repository Structure Analysis Examine the current repository structure using appropriate tools Compare current structure with what's documented in existing llms.txt Identify new directories, files, or documentation that should be included Note any removed or relocated files that need to be updated Step 3: Content Discovery and Change Detection Identify new README files and their locations Find new documentation files (.md files in /docs/, /spec/, etc.) Locate new specification files and their purposes Discover new configuration files and their relevance Find new example files and code samples Identify any changes to existing documentation structure Step 4: Create Update Plan Based on your analysis, create a structured plan that includes: Changes needed to maintain accuracy New files to be added to the llms.txt Outdated references to be removed or updated Organizational improvements to maintain clarity Implementation Requirements Format Compliance The updated llms.txt file must maintain this exact structure per the speci …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills github/update-llms