GitHub Copilot

Also known as: Copilot, GitHub Copilot X, Copilot Chat

An AI-powered coding assistant deeply integrated with GitHub. Evolved from a code completion tool into a full coding agent with Agent Mode (GA 2025), Copilot Workspace, MCP support, custom instruction files, and multi-model support including Claude Opus 4.6 and Sonnet 4.6.

Agent Information

Provider
GitHub
Supported IDEs
VSCode, JetBrains IDEs, Neovim, Emacs, Visual Studio

Feature Support Matrix

FeatureSupport LevelDetails
Execution
MCP Server Support
Full Support
GitHub Copilot supports MCP (Model Context Protocol) servers in VS Code, JetBrains, and Xcode, available in Agent Mode. ...
Filesystem Access
Full Support
In Agent Mode (GA in VS Code since February 2025), GitHub Copilot can autonomously create, modify, and delete files acro...
Automatic Context Awareness
⚠️ Partial
GitHub Copilot automatically analyzes the current file, imports, and nearby files to provide context-aware suggestions. ...
Model Support
Context Window Management
⚠️ Partial
Limited context window focused on current file and immediate surrounding files. Doesn't maintain conversation history li...
Claude 3 Support
Full Support
GitHub Copilot now supports multiple models including Claude Sonnet 4.5/4.6, Claude Haiku 4.5, and Claude Opus 4.6, alon...
Claude 4 Support
Full Support
GitHub Copilot supports Claude Opus 4.6 (generally available as of February 2026) and Claude Sonnet 4.6 via the model pi...
Planning
Planner Strategy
Full Support
Agent Mode (GA in VS Code since February 2025) and Copilot Workspace (GA for all Pro/Business/Enterprise subscribers) pr...
Editor Integration
Broad IDE Integration
Full Support
GitHub Copilot has excellent IDE integration across multiple platforms including VS Code, Visual Studio, JetBrains IDEs ...
Debugging
Console Error Integration
No Support
GitHub Copilot does not have integrated web preview functionality or console error capture. It works within the code edi...
Interactive Element Selection
No Support
GitHub Copilot does not have UI preview or element selection capabilities. It operates purely within the code editor and...
Live Web Preview
No Support
GitHub Copilot does not include an integrated web preview feature. It focuses on code suggestions within the IDE and doe...
Configuration
Dedicated Instruction File
Full Support
GitHub Copilot supports .github/copilot-instructions.md for repository-wide instructions in natural language Markdown. G...
Fine-Grained Instruction Control
⚠️ Partial
Since November 2025, Copilot supports multiple .instructions.md files with YAML frontmatter to target specific paths or ...
Supports Scoped Instructions
Full Support
Copilot supports scoped instructions at repository level (.github/copilot-instructions.md), agent-specific level, and pa...

Frequently Asked Questions