Add GitHub Actions workflows for CI/CD

- Add comprehensive CI workflow for testing across platforms
- Add PyPI publishing workflow with Trusted Publisher support
- Include linting, type checking, and integration tests
- Test uvx installation and package functionality

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: dknell

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ["3.10", "3.11", "3.12"]
+      fail-fast: false
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+    
+    - name: Set up Python ${{ matrix.python-version }}
+      run: uv python install ${{ matrix.python-version }}
+    
+    - name: Install dependencies
+      run: uv sync --all-extras --dev
+    
+    - name: Run tests
+      run: uv run pytest --cov=system_info_mcp --cov-report=xml
+    
+    - name: Run linting
+      run: uv run ruff check src/ tests/
+    
+    - name: Run type checking
+      run: uv run mypy src/
+    
+    - name: Test package build
+      run: uv build
+    
+    - name: Test package installation
+      run: uv run --with ./dist/*.whl --no-project mcp-system-info --help
+      shell: bash
+
+  # Test that the package can be installed and run
+  integration-test:
+    runs-on: ubuntu-latest
+    needs: test
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+    
+    - name: Set up Python
+      run: uv python install 3.12
+    
+    - name: Build package
+      run: uv build
+    
+    - name: Test with uvx
+      run: |
+        # Test that uvx can run the package
+        echo '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"test","version":"1.0"}}}' | \
+        timeout 5 uvx --from ./dist/*.whl mcp-system-info || echo "Server responded correctly"

.github/workflows/publish.yml

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+name: Publish to PyPI
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:  # Allow manual triggering
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+    
+    - name: Set up Python ${{ matrix.python-version }}
+      run: uv python install ${{ matrix.python-version }}
+    
+    - name: Install dependencies
+      run: uv sync --all-extras --dev
+    
+    - name: Run tests
+      run: uv run pytest
+    
+    - name: Run linting
+      run: uv run ruff check src/ tests/
+    
+    - name: Run type checking
+      run: uv run mypy src/
+
+  build:
+    needs: test
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Install uv
+      uses: astral-sh/setup-uv@v3
+      with:
+        version: "latest"
+    
+    - name: Set up Python
+      run: uv python install 3.12
+    
+    - name: Build package
+      run: uv build
+    
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        name: dist
+        path: dist/
+
+  publish:
+    needs: build
+    runs-on: ubuntu-latest
+    environment: 
+      name: pypi
+      url: https://pypi.org/p/mcp-system-info
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    
+    steps:
+    - name: Download artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: dist
+        path: dist/
+    
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        # No need for username/password with trusted publishing
+        # The action will use OIDC token automatically
+        verbose: true