Unity MCP Server

name: Claude MCP Preflight (no Unity) on: [workflow_dispatch] permissions: contents: read jobs: mcp-preflight: runs-on: ubuntu-latest timeout-minutes: 15 steps: - uses: actions/checkout@v4 with: fetch-depth: 0 - uses: astral-sh/setup-uv@v4 with: python-version: "3.11" - name: Install MCP server deps run: | set -eux uv venv echo "VIRTUAL_ENV=$GITHUB_WORKSPACE/.venv" >> "$GITHUB_ENV" echo "$GITHUB_WORKSPACE/.venv/bin" >> "$GITHUB_PATH" if [ -f Server/pyproject.toml ]; then uv pip install -e Server elif [ -f Server/requirements.txt ]; then uv pip install -r Server/requirements.txt else echo "No MCP Python deps found" >&2 exit 1 fi - name: Preflight MCP server (stdio) env: PYTHONUNBUFFERED: "1" MCP_LOG_LEVEL: debug UNITY_PROJECT_ROOT: ${{ github.workspace }}/TestProjects/UnityMCPTests UNITY_MCP_STATUS_DIR: ${{ github.workspace }}/.unity-mcp-dummy UNITY_MCP_HOST: 127.0.0.1 run: | set -euxo pipefail mkdir -p "$UNITY_MCP_STATUS_DIR" # Create a dummy status file with an unreachable port; help should not require it cat > "$UNITY_MCP_STATUS_DIR/unity-mcp-status-dummy.json" <<JSON { "unity_port": 0, "reason": "dummy", "reloading": false, "project_path": "$UNITY_PROJECT_ROOT/Assets" } JSON uv run --active --directory Server mcp-for-unity --transport stdio --help \ > /tmp/mcp-preflight.log 2>&1 || { cat /tmp/mcp-preflight.log; exit 1; } cat /tmp/mcp-preflight.log