Source profileQuality 72/100

github/awesome-copilot/skills/update-llms/SKILL.md

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/

Source repository stars
37,126
Declared platforms
0
Static risk flags
2
Last source update
2026-07-28
Source checked
2026-07-28

Decision brief

What it does—and where it fits

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…

Best for

    Not for

    • Tasks that require unconfirmed production actions or broad system permissions.
    • Environments where the pinned source and install steps cannot be inspected.

    Compatibility matrix

    Platform support, with evidence labels

    PlatformStatusEvidenceWhat to check
    CodexNot declaredNo explicit evidencePortability before use
    Claude CodeNot declaredNo explicit evidencePortability before use
    CursorNot declaredNo explicit evidencePortability before use
    Gemini CLINot declaredNo explicit evidencePortability before use
    Open the compatibility checker

    Installation

    Inspect first. Install second.

    The source command is displayed only when detected. A safe inspection prompt is always available so your agent can explain every action before execution.

    Source-detected install commandSource
    npx skills add https://github.com/github/awesome-copilot --skill "skills/update-llms"
    Safe inspection promptEditorial

    Inspect the Agent Skill "update-llms" from https://github.com/github/awesome-copilot/blob/9933dcad5be5caeb288cebcd370eeeb2fc2f1685/skills/update-llms/SKILL.md at commit 9933dcad5be5caeb288cebcd370eeeb2fc2f1685. List every install step, command, network request, credential, file read/write, external action, and rollback step. Explain whether it fits my task. Do not install or execute anything until I approve.

    Workflow

    What the source asks the agent to do

    1. 01

      Analysis and Planning Phase

      Before updating the llms.txt file, you must complete a thorough analysis:

      Read the existing llms.txt file to understand current structureReview the official specification at https://llmstxt.org/ to ensure continued complianceIdentify areas that may need updates based on repository changes
    2. 02

      Step 1: Review Current File and Specification

      Read the existing llms.txt file to understand current structure

      Read the existing llms.txt file to understand current structureReview the official specification at https://llmstxt.org/ to ensure continued complianceIdentify areas that may need updates based on repository changes
    3. 03

      Step 2: Repository Structure Analysis

      Examine the current repository structure using appropriate tools

      Examine the current repository structure using appropriate toolsCompare current structure with what's documented in existing llms.txtIdentify new directories, files, or documentation that should be included
    4. 04

      Step 3: Content Discovery and Change Detection

      Identify new README files and their locations

      Identify new README files and their locationsFind new documentation files (.md files in /docs/, /spec/, etc.)Locate new specification files and their purposes
    5. 05

      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

      Changes needed to maintain accuracyNew files to be added to the llms.txtOutdated references to be removed or updated

    Permission review

    Static risk signals and limitations

    Writes files

    medium · line 1

    The documentation asks the agent to create, modify, or delete local files.

    # Update LLMs.txt File

    Writes files

    medium · line 3

    The documentation asks the agent to create, modify, or delete local files.

    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

    Reads files

    low · line 14

    The documentation asks the agent to read local files, directories, or repositories.

    Read the existing `llms.txt` file to understand current structure

    Reads files

    low · line 92

    The documentation asks the agent to read local files, directories, or repositories.

    Read the existing `llms.txt` file thoroughly

    Evidence record

    Why each signal appears

    EvidenceSourceComputedTestedEditorial
    SignalValueEvidence typeMeaning
    Quality score72/100ComputedDocumentation, specificity, maintenance, and trust rules
    Repository stars37,126SourceRepository attention, not individual Skill quality
    Compatibility0 platformsSourceDeclared in the catalog source record
    Usage guideautomated source guideEditorialGenerated or reviewed according to the visible evidence level

    Pinned source

    Provenance and original SKILL.md

    Repository
    github/awesome-copilot
    Skill path
    skills/update-llms/SKILL.md
    Commit
    9933dcad5be5caeb288cebcd370eeeb2fc2f1685
    License
    MIT
    Collected
    2026-07-28
    Default branch
    main
    View the original SKILL.md

    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 specification:

    1. H1 Header: Single line with repository/project name (required)
    2. Blockquote Summary: Brief description in blockquote format (optional but recommended)
    3. Additional Details: Zero or more markdown sections without headings for context
    4. File List Sections: Zero or more H2 sections containing markdown lists of links

    Content Requirements

    Required Elements

    • Project Name: Clear, descriptive title as H1
    • Summary: Concise blockquote explaining the repository's purpose
    • Key Files: Essential files organized by category (H2 sections)

    File Link Format

    Each file link must follow: [descriptive-name](relative-url): optional description

    Section Organization

    Organize files into logical H2 sections such as:

    • Documentation: Core documentation files
    • Specifications: Technical specifications and requirements
    • Examples: Sample code and usage examples
    • Configuration: Setup and configuration files
    • Optional: Secondary files (special meaning - can be skipped for shorter context)

    Content Guidelines

    Language and Style

    • Use concise, clear, unambiguous language
    • Avoid jargon without explanation
    • Write for both human and LLM readers
    • Be specific and informative in descriptions

    File Selection Criteria

    Include files that:

    • Explain the repository's purpose and scope
    • Provide essential technical documentation
    • Show usage examples and patterns
    • Define interfaces and specifications
    • Contain configuration and setup instructions

    Exclude files that:

    • Are purely implementation details
    • Contain redundant information
    • Are build artifacts or generated content
    • Are not relevant to understanding the project

    Execution Steps

    Step 1: Current State Analysis

    1. Read the existing llms.txt file thoroughly
    2. Examine the current repository structure completely
    3. Compare existing file references with actual repository content
    4. Identify outdated, missing, or incorrect references
    5. Note any structural issues with the current file

    Step 2: Content Planning

    1. Determine if the primary purpose statement needs updates
    2. Review and update the summary blockquote if needed
    3. Plan additions for new files and directories
    4. Plan removals for outdated or moved content
    5. Reorganize sections if needed for better clarity

    Step 3: File Updates

    1. Update the existing llms.txt file in the repository root
    2. Maintain compliance with the exact format specification
    3. Add new file references with appropriate descriptions
    4. Remove or update outdated references
    5. Ensure all links are valid relative paths

    Step 4: Validation

    1. Verify continued compliance with https://llmstxt.org/ specification
    2. Check that all links are valid and accessible
    3. Ensure the file still serves as an effective LLM navigation tool
    4. Confirm the file remains both human and machine readable

    Quality Assurance

    Format Validation

    • ✅ H1 header with project name
    • ✅ Blockquote summary (if included)
    • ✅ H2 sections for file lists
    • ✅ Proper markdown link format
    • ✅ No broken or invalid links
    • ✅ Consistent formatting throughout

    Content Validation

    • ✅ Clear, unambiguous language
    • ✅ Comprehensive coverage of essential files
    • ✅ Logical organization of content
    • ✅ Appropriate file descriptions
    • ✅ Serves as effective LLM navigation tool

    Specification Compliance

    • ✅ Follows https://llmstxt.org/ format exactly
    • ✅ Uses required markdown structure
    • ✅ Implements optional sections appropriately
    • ✅ File located at repository root (/llms.txt)

    Update Strategy

    Addition Process

    When adding new content:

    1. Identify the appropriate section for new files
    2. Create clear, descriptive names for links
    3. Write concise but informative descriptions
    4. Maintain alphabetical or logical ordering within sections
    5. Consider if new sections are needed for new content types

    Removal Process

    When removing outdated content:

    1. Verify files are actually removed or relocated
    2. Check if relocated files should be updated rather than removed
    3. Remove entire sections if they become empty
    4. Update cross-references if needed

    Reorganization Process

    When restructuring content:

    1. Maintain logical flow from general to specific
    2. Keep essential documentation in primary sections
    3. Move secondary content to "Optional" section if appropriate
    4. Ensure new organization improves LLM navigation

    Example structure for llms.txt:

    # [Repository Name]
    
    > [Concise description of the repository's purpose and scope]
    
    [Optional additional context paragraphs without headings]
    
    ## Documentation
    
    - [Main README](README.md): Primary project documentation and getting started guide
    - [Contributing Guide](CONTRIBUTING.md): Guidelines for contributing to the project
    - [Code of Conduct](CODE_OF_CONDUCT.md): Community guidelines and expectations
    
    ## Specifications
    
    - [Technical Specification](spec/technical-spec.md): Detailed technical requirements and constraints
    - [API Specification](spec/api-spec.md): Interface definitions and data contracts
    
    ## Examples
    
    - [Basic Example](examples/basic-usage.md): Simple usage demonstration
    - [Advanced Example](examples/advanced-usage.md): Complex implementation patterns
    
    ## Configuration
    
    - [Setup Guide](docs/setup.md): Installation and configuration instructions
    - [Deployment Guide](docs/deployment.md): Production deployment guidelines
    
    ## Optional
    
    - [Architecture Documentation](docs/architecture.md): Detailed system architecture
    - [Design Decisions](docs/decisions.md): Historical design decision records
    

    Success Criteria

    The updated llms.txt file should:

    1. Accurately reflect the current repository structure and content
    2. Maintain compliance with the llms.txt specification
    3. Provide clear navigation to essential documentation
    4. Remove outdated or incorrect references
    5. Include new important files and documentation
    6. Maintain logical organization for easy LLM consumption
    7. Use clear, unambiguous language throughout
    8. Continue to serve both human and machine readers effectively

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