diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6f78e8b..ed1e269 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- **GitHub Copilot CLI Detection**
+  - Updated `internal/registry/agents.json` to use the current `copilot` command and `@github/copilot` package name
+  - Fixed issue where `agentpipe doctor` failed to find GitHub Copilot installations
+  - Updated documentation in `docs/troubleshooting.md` and `docs/development.md` to match current installation methods
+
+
 ## [0.7.0] - 2025-01-27
 
 ### Added
diff --git a/docs/development.md b/docs/development.md
index 12f330a..f7c9f44 100644
--- a/docs/development.md
+++ b/docs/development.md
@@ -79,7 +79,7 @@ brew install anthropics/claude/claude
 # Installation method varies
 
 # GitHub Copilot CLI
-gh extension install github/gh-copilot
+npm install -g @github/copilot
 
 # Cursor CLI
 # Installation from Cursor IDE
diff --git a/docs/troubleshooting.md b/docs/troubleshooting.md
index 807a938..3f95b2f 100644
--- a/docs/troubleshooting.md
+++ b/docs/troubleshooting.md
@@ -195,7 +195,7 @@ which claude
 which gemini
 
 # For GitHub Copilot
-gh copilot --help
+copilot --help
 
 # For Cursor
 which cursor-agent
@@ -207,7 +207,7 @@ which cursor-agent
 brew install anthropics/claude/claude
 
 # GitHub Copilot
-gh extension install github/gh-copilot
+npm install -g @github/copilot
 
 # Others: See agent-specific documentation
 ```
diff --git a/internal/registry/agents.json b/internal/registry/agents.json
index fca93a9..d86784c 100644
--- a/internal/registry/agents.json
+++ b/internal/registry/agents.json
@@ -74,25 +74,25 @@
     },
     {
       "name": "Copilot",
-      "command": "github-copilot-cli",
+      "command": "copilot",
       "description": "GitHub Copilot CLI",
       "docs": "https://github.com/github/copilot-cli",
       "package_manager": "npm",
-      "package_name": "@githubnext/github-copilot-cli",
+      "package_name": "@github/copilot",
       "install": {
-        "darwin": "npm install -g @githubnext/github-copilot-cli",
-        "linux": "npm install -g @githubnext/github-copilot-cli",
-        "windows": "npm install -g @githubnext/github-copilot-cli"
+        "darwin": "npm install -g @github/copilot",
+        "linux": "npm install -g @github/copilot",
+        "windows": "npm install -g @github/copilot"
       },
       "uninstall": {
-        "darwin": "npm uninstall -g @githubnext/github-copilot-cli",
-        "linux": "npm uninstall -g @githubnext/github-copilot-cli",
-        "windows": "npm uninstall -g @githubnext/github-copilot-cli"
+        "darwin": "npm uninstall -g @github/copilot",
+        "linux": "npm uninstall -g @github/copilot",
+        "windows": "npm uninstall -g @github/copilot"
       },
       "upgrade": {
-        "darwin": "npm update -g @githubnext/github-copilot-cli",
-        "linux": "npm update -g @githubnext/github-copilot-cli",
-        "windows": "npm update -g @githubnext/github-copilot-cli"
+        "darwin": "npm update -g @github/copilot",
+        "linux": "npm update -g @github/copilot",
+        "windows": "npm update -g @github/copilot"
       },
       "requires_auth": true
     },