feat: add GitHub remote MCP server and merge enterprise into local

- com.github-mcp: Merge local + enterprise into one definition with
  optional GITHUB_HOST input (leave empty for GitHub.com, set for GHES/ghe.com)
- com.github-mcp-http: Add remote HTTP server at api.githubcopilot.com/mcp/
  with OAuth (note: DCR not supported, requires pre-registered OAuth app)

https://claude.ai/code/session_013AxurW8hPAfnUNvik354Xx

Author: claude

servers/com.github-mcp-http.json

@@ -0,0 +1,47 @@
+{
+  "$schema": "../schemas/server-definition.schema.json",
+  "id": "com.github-mcp-http",
+  "name": "GitHub (Remote)",
+  "alias": "gh-remote",
+  "description": "Interact with GitHub repositories, issues, pull requests, actions, and code security through GitHub's hosted remote MCP server. No local installation required. Requires an MCP host with a pre-registered GitHub OAuth App (VS Code 1.101+, Claude Desktop, Cursor, Windsurf, etc.).",
+  "icon": "https://avatars.githubusercontent.com/u/9919?v=4",
+  "schema_version": "2.1",
+  "categories": ["developer-tools", "version-control"],
+  "tags": ["git", "github", "code", "issues", "pull-requests", "repos", "actions", "code-review", "remote"],
+
+  "transport": {
+    "type": "http",
+    "url": "https://api.githubcopilot.com/mcp/",
+    "metadata": {
+      "inputs": []
+    }
+  },
+
+  "auth": {
+    "type": "oauth",
+    "instructions": "Your MCP host must have a pre-registered GitHub OAuth App. GitHub does not support Dynamic Client Registration (DCR). Compatible hosts include VS Code 1.101+, Claude Desktop, Cursor, and Windsurf. For hosts without pre-registered OAuth, use the local Docker version instead."
+  },
+
+  "contributor": {
+    "name": "GitHub",
+    "github": "github",
+    "url": "https://github.com"
+  },
+
+  "links": {
+    "repository": "https://github.com/github/github-mcp-server",
+    "homepage": "https://github.com",
+    "documentation": "https://github.com/github/github-mcp-server#readme"
+  },
+
+  "platforms": ["all"],
+
+  "capabilities": {
+    "tools": true,
+    "resources": true,
+    "prompts": true,
+    "read_only_mode": false
+  },
+
+  "changelog_url": "https://github.com/github/github-mcp-server/releases"
+}

servers/com.github-mcp.json

@@ -1,24 +1,26 @@
 {
   "$schema": "../schemas/server-definition.schema.json",
   "id": "com.github-mcp",
-  "name": "GitHub",
+  "name": "GitHub (Local)",
   "alias": "gh",
-  "description": "Interact with GitHub repositories, issues, pull requests, actions, and code security through the official GitHub MCP server.",
+  "description": "Interact with GitHub repositories, issues, pull requests, actions, and code security through the official GitHub MCP server running locally via Docker. Supports GitHub.com, GitHub Enterprise Server, and GitHub Enterprise Cloud (ghe.com).",
   "icon": "https://avatars.githubusercontent.com/u/9919?v=4",
   "schema_version": "2.1",
   "categories": ["developer-tools", "version-control"],
-  "tags": ["git", "github", "code", "issues", "pull-requests", "repos", "actions", "code-review"],
+  "tags": ["git", "github", "code", "issues", "pull-requests", "repos", "actions", "code-review", "enterprise"],
 
   "transport": {
     "type": "stdio",
     "command": "docker",
     "args": [
-      "run", "-i", "--rm", "-e",
-      "GITHUB_PERSONAL_ACCESS_TOKEN",
+      "run", "-i", "--rm",
+      "-e", "GITHUB_PERSONAL_ACCESS_TOKEN",
+      "-e", "GITHUB_HOST",
       "ghcr.io/github/github-mcp-server"
     ],
     "env": {
-      "GITHUB_PERSONAL_ACCESS_TOKEN": "${input:GITHUB_TOKEN}"
+      "GITHUB_PERSONAL_ACCESS_TOKEN": "${input:GITHUB_TOKEN}",
+      "GITHUB_HOST": "${input:GITHUB_HOST}"
     },
     "metadata": {
       "inputs": [
@@ -35,6 +37,15 @@
             "instructions": "1. Click 'Generate new token (classic)'\n2. Give it a name like 'McpMux'\n3. Select scopes: repo, read:org\n4. Click 'Generate token'\n5. Copy the token (starts with ghp_)",
             "button_label": "Create Token"
           }
+        },
+        {
+          "id": "GITHUB_HOST",
+          "label": "GitHub Host (Optional)",
+          "description": "Leave empty for GitHub.com. For GitHub Enterprise Server, use https://YOUR-HOSTNAME. For GitHub Enterprise Cloud with data residency, use https://SUBDOMAIN.ghe.com.",
+          "type": "text",
+          "required": false,
+          "secret": false,
+          "placeholder": "https://github.example.com  or  https://octocorp.ghe.com"
         }
       ]
     }