Update OAuth support details for Copilot applications...

...in the installation guide README.md for clarity.

Author: D1M1TR10S

docs/installation-guides/README.md

@@ -14,7 +14,7 @@ This directory contains detailed installation instructions for the GitHub MCP Se
 |-----------------|---------------|----------------|---------------|------------|
 | Copilot in VS Code | ✅ | ✅ Full (OAuth + PAT) | Local: Docker or Go build, GitHub PAT<br>Remote: VS Code 1.101+ | Easy |
 | Copilot Coding Agent | ✅ | ✅ Full (OAuth + PAT) | Any _paid_ copilot license | Easy |
-| Copilot in Visual Studio | ✅ | ✅ Full (OAuth + PAT) | Local: Docker or Go build, GitHub PAT<br>Remote: Visual Studio 17.14+ | Easy |
+| Copilot in Visual Studio | ✅ | ✅ PAT + ❌ No OAuth | Local: Docker or Go build, GitHub PAT<br>Remote: Visual Studio 17.14+ | Easy |
 | Copilot in JetBrains | ✅ | ✅ PAT + ❌ No OAuth | Local: Docker or Go build, GitHub PAT<br>Remote: JetBrains Copilot Extension v1.5.35+ | Easy |
 | Claude Code | ✅ | ✅ PAT + ❌ No OAuth| GitHub MCP Server binary or remote URL, GitHub PAT | Easy |
 | Claude Desktop | ✅ | ✅ PAT + ❌ No OAuth | Docker or Go build, GitHub PAT | Moderate |
@@ -27,7 +27,7 @@ This directory contains detailed installation instructions for the GitHub MCP Se
 - ✅ = Fully supported
 - ❌ = Not yet supported
 
-**Note:** Remote MCP support requires host applications to register a GitHub App or OAuth app for OAuth flow support. Currently, only VS Code has full remote support.
+**Note:** Remote MCP support requires host applications to register a GitHub App or OAuth app for OAuth flow support – even if the new OAuth spec is supported by that host app. Currently, only VS Code has full remote GitHub server support. 
 
 ## Installation Methods