rysweet/amplihack-rs/github-copilot-cli

Claude Code and agent skill by rysweet/amplihack-rs

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Expert knowledge of GitHub Copilot CLI - installation, configuration, usage, MCP servers, skills, custom agents, and troubleshooting. Use when asking about copilot cli, installing copilot, gh copilot, copilot commands, MCP setup, or copilot extensibility.

Install

npx vskill@latest install rysweet/amplihack-rs/github-copilot-cli

SKILL.md

GitHub Copilot CLI Expert

Comprehensive knowledge of GitHub Copilot CLI installation, configuration, usage, and extensibility.

Purpose

This skill provides expert guidance on:

  1. Installing and updating GitHub Copilot CLI
  2. Authentication and configuration
  3. Core usage patterns and slash commands
  4. Extensibility (MCP servers, skills, custom agents)
  5. Troubleshooting common issues

When I Activate

Automatically when you mention:

  • "copilot cli", "github copilot cli", "gh copilot"
  • "install copilot", "update copilot"
  • "copilot commands", "copilot slash commands"
  • "copilot mcp", "add mcp server"
  • "copilot skills", "create copilot skill"
  • "copilot custom agent"

Quick Reference

Installation (All Platforms)

Always fetch latest version - use these commands:

PlatformCommand
Windows (WinGet)winget install GitHub.Copilot
macOS/Linux (Homebrew)brew install copilot-cli
All (npm, Node.js 22+)npm install -g @github/copilot
macOS/Linux (Script)`curl -fsSL https://gh.io/copilot-install \bash`

Prerelease versions: Add @prerelease or use GitHub.Copilot.Prerelease

Authentication
bash
copilot                    # Launch and follow /login prompt
# OR use PAT with "Copilot Requests" permission:
export GH_TOKEN=your_token
Essential Slash Commands
CommandPurpose
/helpShow all commands and shortcuts
/modelSelect from models available in the current runtime
/agentBrowse and select available agents
/skillsManage skills
/mcpManage MCP server configuration
/delegate [prompt]Hand off to Copilot coding agent (creates PR)
/compactReduce context window usage
/contextShow token usage visualization
Keyboard Shortcuts
ShortcutAction
@Mention files to include in context
!Execute shell command directly
EscCancel current operation
Ctrl+CCancel / clear / exit
Ctrl+LClear screen
Ctrl+OExpand/collapse timeline
Extensibility Overview
  1. MCP Servers - Extend Copilot with external tools
  2. Skills - Task-specific instructions and scripts
  3. Custom Agents - Specialized agent profiles
  4. Custom Instructions - Repository-wide guidance

Navigation Guide

When to Read Supporting Files

reference.md - Read when you need:

  • Complete slash command reference with all options
  • Detailed MCP server configuration and JSON schema
  • Full permissions system documentation
  • Advanced configuration options
  • Environment variables reference

examples.md - Read when you need:

  • Step-by-step installation walkthroughs
  • Working MCP server configurations
  • Skill creation examples
  • Custom agent examples
  • Real-world usage scenarios

Core Concepts

MCP Servers (Model Context Protocol)

Copilot CLI includes GitHub MCP server by default. Add custom MCP servers:

bash
/mcp add             # Interactive configuration
/mcp show            # List configured servers
/mcp edit <name>     # Modify existing server

Config stored in: ~/.copilot/mcp-config.json

Skills

Skills enhance Copilot's task performance with instructions and scripts.

Locations:

  • Project: .github/skills/ or .claude/skills/
  • Personal: ~/.copilot/skills/ or ~/.claude/skills/

Structure:

.github/skills/my-skill/
└── SKILL.md    # Instructions with YAML frontmatter
Custom Agents

Specialized agent profiles stored as Markdown files.

Locations:

  • User: ~/.copilot/agents/
  • Repository: .github/agents/
  • Organization: .github-private/agents/
Custom Instructions

Repository-specific guidance for Copilot:

  • .github/copilot-instructions.md - Repository-wide
  • .github/instructions/**/*.instructions.md - Path-specific
  • AGENTS.md - Agent behavior instructions

Troubleshooting Quick Tips

IssueSolution
Not installedbrew install copilot-cli or npm i -g @github/copilot
Not authenticatedRun /login in Copilot CLI
Policy disabledCheck org/enterprise Copilot settings
MCP server not loadingVerify ~/.copilot/mcp-config.json syntax
Skill not activatingRestart Copilot CLI, check SKILL.md YAML

Version: 1.0.0 | Status: Public Preview Note: GitHub Copilot CLI is in public preview and subject to change.

Security

  • Security scanPassed, 90 of 100Pattern checks on the skill's files.
  • Model reviewPassed

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