Add support for Linux with glibc (#61)

* Conditionally import Glibc on Linux for fcntl calls

* Extract transport implementations into separate files

* Fix warning in test

* Add ubuntu-latest to CI test matrix

* Switch to vapor/swiftly-action for setup step

* Configure Prettier extension to format GitHub Actions workflows

* Setup with different actions depending on platform

* Rename step

* Rename job

* Update README

Author: mattt

.github/workflows/ci.yml

@@ -2,31 +2,42 @@ name: CI
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
 
 permissions:
   contents: read
   pull-requests: write
 
 jobs:
   test:
-    runs-on: macos-latest
-
     strategy:
       matrix:
+        os: [macos-latest, ubuntu-latest]
         swift-version:
-          - ^6
+          - 6.0.3
+          - 6.1.0
 
-    name: Build and Test (Swift ${{ matrix.swift-version }})
+    runs-on: ${{ matrix.os }}
+    name: Test (${{ matrix.os }}, Swift ${{ matrix.swift-version }})
 
     steps:
-    - uses: actions/checkout@v4
-    - uses: swift-actions/setup-swift@v2
-      with:
-        swift-version: ${{ matrix.swift-version }}
-    - name: Build
-      run: swift build -v
-    - name: Run tests
-      run: swift test -v
+      - uses: actions/checkout@v4
+
+      - name: Setup Swift on Linux
+        if: matrix.os == 'ubuntu-latest'
+        uses: vapor/[email protected]
+        with:
+          toolchain: ${{ matrix.swift-version }}
+      - name: Setup Swift on macOS
+        if: matrix.os == 'macos-latest'
+        uses: swift-actions/setup-swift@v2
+        with:
+          swift-version: ${{ matrix.swift-version }}
+
+      - name: Build
+        run: swift build -v
+
+      - name: Run tests
+        run: swift test -v

.vscode/extensions.json

@@ -1,3 +1,3 @@
 {
-	"recommendations": ["swiftlang.swift-vscode"]
+	"recommendations": ["swiftlang.swift-vscode", "esbenp.prettier-vscode"]
 }

.vscode/settings.json

@@ -4,5 +4,8 @@
 	"editor.codeActionsOnSave": {
 		"source.fixAll": "explicit",
 		"source.organizeImports": "explicit"
+	},
+	"[github-actions-workflow]": {
+		"editor.defaultFormatter": "esbenp.prettier-vscode"
 	}
 }

README.md

@@ -4,12 +4,20 @@ Swift implementation of the [Model Context Protocol][mcp] (MCP).
 
 ## Requirements
 
-- Swift 6.0+ / Xcode 16+
-- macOS 13.0+
-- iOS / Mac Catalyst 16.0+
-- watchOS 9.0+
-- tvOS 16.0+
-- visionOS 1.0+
+- Swift 6.0+ (Xcode 16+)
+
+### Supported Platforms
+
+| Platform | Minimum Version |
+|----------|----------------|
+| macOS | 13.0+ |
+| iOS / Mac Catalyst | 16.0+ |
+| watchOS | 9.0+ |
+| tvOS | 16.0+ |
+| visionOS | 1.0+ |
+| Linux | ✓ [^1] |
+
+[^1]: Linux support requires glibc-based distributions such as Ubuntu, Debian, Fedora, CentOS, or RHEL. Alpine Linux and other musl-based distributions are not supported.
 
 ## Installation