Swap build system

Author: joedursun

.github/workflows/ci.yml

@@ -58,44 +58,33 @@ jobs:
       - name: Run tests
         run: uv run just test
 
-      # Reproduce the Claude Desktop extension install flow.
-      # Claude Desktop clones extensions into a fresh directory and runs
-      # `uv pip install -e .` without an existing lockfile or venv.
-      # The previous `uv sync` test passes because it copies the lockfile
-      # and venv metadata. This step mimics the real user experience.
+      - name: Build package
+        run: uv build
+
+      # Simulate the Claude Desktop extension install flow.
+      # manifest.json defines: "command": "uv", "args": ["run", "--directory", "${__dirname}", "mcp_massive"]
+      # Claude Desktop clones extensions into a path with spaces
+      # (AppData/Roaming/Claude/Claude Extensions/<id>) and runs that command.
+      # This test clones into a fresh directory (no .venv or uv.lock) with
+      # spaces in the path and runs the exact same command.
       - name: Simulate Claude Desktop extension install
         shell: pwsh
         run: |
           $extPath = "$env:RUNNER_TEMP\Claude Extensions\mcp-massive"
-          New-Item -ItemType Directory -Path $extPath -Force
-          # Copy only source files — no .venv, uv.lock, or cached state
           git clone . $extPath
-          cd $extPath
-          # Fresh editable install like Claude Desktop does — no lockfile
-          uv venv
-          uv pip install -e .
-
-      # Test `uv run --directory` invocation — how MCP clients typically
-      # launch servers configured in claude_desktop_config.json
-      - name: Test MCP client-style invocation
-        shell: pwsh
-        run: |
-          $extPath = "$env:RUNNER_TEMP\Claude Extensions\mcp-massive"
-          $proc = Start-Process -NoNewWindow -PassThru -FilePath uv `
-            -ArgumentList "run", "--directory", $extPath, "mcp_massive", "--transport", "stdio"
-          Start-Sleep -Seconds 5
-          if ($proc.HasExited -and $proc.ExitCode -ne 0) {
-            Write-Error "Server exited with code $($proc.ExitCode)"
+          # Run the exact command from manifest.json's mcp_config
+          # uv run --directory <path> mcp_massive
+          # This triggers a fresh build + install via the build backend,
+          # then starts the server on stdio. We let it run briefly to
+          # confirm it boots without errors.
+          $proc = Start-Process -NoNewWindow -PassThru -RedirectStandardError "$env:RUNNER_TEMP\stderr.txt" `
+            -FilePath uv -ArgumentList @("run", "--directory", "$extPath", "mcp_massive", "--transport", "stdio")
+          Start-Sleep -Seconds 10
+          $stderr = Get-Content "$env:RUNNER_TEMP\stderr.txt" -Raw -ErrorAction SilentlyContinue
+          if ($stderr) { Write-Host "Server stderr:`n$stderr" }
+          if ($proc.HasExited) {
+            Write-Error "Server exited early with code $($proc.ExitCode)"
             exit 1
           }
-          if (!$proc.HasExited) { Stop-Process -Id $proc.Id -Force }
-          Write-Host "Server started successfully"
-
-      - name: Build package
-        run: uv build
-
-      - name: Test install from built wheel
-        shell: pwsh
-        run: |
-          $wheel = Get-ChildItem dist\*.whl | Select-Object -First 1
-          uv run --no-project --with $wheel.FullName python -c "import mcp_massive; print('import ok')"
+          Stop-Process -Id $proc.Id -Force
+          Write-Host "Server started successfully via uv run --directory"

pyproject.toml

@@ -20,8 +20,8 @@ name = "Massive"
 email = "support@massive.com"
 
 [build-system]
-requires = [ "hatchling",]
-build-backend = "hatchling.build"
+requires = ["uv_build>=0.11.0,<0.12.0"]
+build-backend = "uv_build"
 
 [dependency-groups]
 dev = [