add mcp descriptions (#2080)

plugins/wasm-go/mcp-servers/mcp-github/README.md

@@ -0,0 +1,39 @@
+# GitHub MCP Server
+
+An MCP server implementation of the GitHub API, supporting file operations, repository management, search, and more.
+
+Source code: [https://github.com/modelcontextprotocol/servers/tree/main/src/github](https://github.com/modelcontextprotocol/servers/tree/main/src/github)
+
+## Features
+
+- **Automatic branch creation**: Automatically creates branches if they don't exist when creating/updating files or pushing changes
+- **Comprehensive error handling**: Provides clear error messages for common issues
+- **Git history preservation**: Operations preserve complete Git history, no force pushing
+- **Batch operations**: Supports both single file and batch file operations
+- **Advanced search**: Supports code, issues/PRs, and user search
+
+## Usage Guide
+
+### Get AccessToken
+[Create GitHub personal access token](https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/managing-your-personal-access-tokens):
+   1. Visit [Personal access tokens](https://github.com/settings/tokens) (in GitHub Settings > Developer settings)
+   2. Select repositories the token can access (public, all, or selected)
+   3. Create token with `repo` permissions ("Full control of private repositories")
+      - Or, if only using public repositories, select only `public_repo` permissions
+   4. Copy the generated token
+   
+### Generate SSE URL
+
+On the MCP Server interface, log in and enter the AccessToken to generate the URL.
+
+### Configure MCP Client
+
+On the user's MCP Client interface, add the generated SSE URL to the MCP Server list.
+
+```json
+"mcpServers": {
+    "github": {
+      "url": "http://mcp.higress.ai/mcp-github/{generate_key}",
+    }
+}
+```