diff --git a/src/taskProvider.ts b/src/taskProvider.ts
index aa2e4b3..cbd189f 100644
--- a/src/taskProvider.ts
+++ b/src/taskProvider.ts
@@ -1,4 +1,5 @@
 import * as vscode from "vscode";
+import { getProjectDir } from "./project";
 
 export class TaskProvider implements vscode.TaskProvider {
   // Referenced in package.json::taskDefinitions
@@ -6,7 +7,7 @@ export class TaskProvider implements vscode.TaskProvider {
 
   public provideTasks(): vscode.Task[] {
     const wsFolders = vscode.workspace.workspaceFolders;
-    if (!wsFolders || !wsFolders[0]) {
+    if (!wsFolders || wsFolders.length === 0) {
       vscode.window.showErrorMessage("no workspace open...");
       return [];
     }
@@ -16,234 +17,125 @@ export class TaskProvider implements vscode.TaskProvider {
 
     const tasks = [];
 
-    const test = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Run tests" },
-      wsFolders[0],
-      "Run tests",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix test"),
-      ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
-    );
-
-    test.group = vscode.TaskGroup.Test;
-
-    tasks.push(test);
-
-    const testCoverage = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Run tests with coverage" },
-      wsFolders[0],
-      "Run tests with coverage",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix test.coverage"),
-      ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
-    );
-
-    testCoverage.group = vscode.TaskGroup.Test;
-
-    tasks.push(testCoverage);
-
-    const testUnderCursorTask = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Run test at cursor" },
-      wsFolders[0],
-      "Run test at cursor",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix test ${relativeFile}:${lineNumber}"),
-      ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
-    );
-
-    testUnderCursorTask.group = vscode.TaskGroup.Test;
-
-    tasks.push(testUnderCursorTask);
-
-    const testsInFileTask = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Run tests in current file" },
-      wsFolders[0],
-      "Run tests in current file",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix test ${relativeFile}"),
-      ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
-    );
-
-    testsInFileTask.group = vscode.TaskGroup.Test;
-
-    tasks.push(testsInFileTask);
-
-    const compile = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Build" },
-      wsFolders[0],
-      "Build",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix compile"),
-      ["$mixCompileError", "$mixCompileWarning"],
-    );
-
-    compile.group = vscode.TaskGroup.Build;
-
-    tasks.push(compile);
-
-    const depsCompile = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Build dependencies" },
-      wsFolders[0],
-      "Build dependencies",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix deps.compile"),
-      ["$mixCompileError", "$mixCompileWarning"],
-    );
-
-    depsCompile.group = vscode.TaskGroup.Build;
-
-    tasks.push(depsCompile);
-
-    const clean = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Clean project" },
-      wsFolders[0],
-      "Clean project",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix clean"),
-    );
-
-    clean.group = vscode.TaskGroup.Clean;
-
-    tasks.push(clean);
-
-    const cleanWithDeps = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Clean project and deps" },
-      wsFolders[0],
-      "Clean project and deps",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix clean --deps"),
-    );
-
-    cleanWithDeps.group = vscode.TaskGroup.Clean;
-
-    tasks.push(cleanWithDeps);
-
-    const appTree = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Print app tree" },
-      wsFolders[0],
-      "Print app tree",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix app.tree"),
-    );
-
-    tasks.push(appTree);
-
-    const deps = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "List deps" },
-      wsFolders[0],
-      "List deps",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix deps"),
-    );
-
-    tasks.push(deps);
-
-    const depsCleanAll = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Clean all deps" },
-      wsFolders[0],
-      "Clean all deps",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix deps.clean --all"),
-    );
-
-    depsCleanAll.group = vscode.TaskGroup.Clean;
-
-    tasks.push(depsCleanAll);
-
-    const depsCleanUnused = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Clean all unused deps" },
-      wsFolders[0],
-      "Clean all unused deps",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix deps.clean --unlock --unused"),
-    );
-
-    depsCleanUnused.group = vscode.TaskGroup.Clean;
-
-    tasks.push(depsCleanUnused);
-
-    const depsGet = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Get deps" },
-      wsFolders[0],
-      "Get deps",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix deps.get"),
-    );
-
-    tasks.push(depsGet);
-
-    const depsUpdateAll = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Update all deps" },
-      wsFolders[0],
-      "Update all deps",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix deps.update --all"),
-    );
-
-    tasks.push(depsUpdateAll);
-
-    const format = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Format" },
-      wsFolders[0],
-      "Format",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix format"),
-    );
-
-    tasks.push(format);
-
-    const run = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Run" },
-      wsFolders[0],
-      "Run",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix run"),
-    );
-
-    tasks.push(run);
-
-    const runNoHalt = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Run no halt" },
-      wsFolders[0],
-      "Run no halt",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix run --no-halt"),
-    );
-
-    tasks.push(runNoHalt);
-
-    const releaseInit = new vscode.Task(
+    const taskSpecs = [
       {
-        type: TaskProvider.TaskType,
-        task: "Generates sample files for releases",
+        name: "Run tests",
+        command: "mix test",
+        group: vscode.TaskGroup.Test,
+        matchers: ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
       },
-      wsFolders[0],
-      "Generates sample files for releases",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix release.init"),
-    );
-
-    tasks.push(releaseInit);
-
-    const xrefTraceFile = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Trace file dependencies" },
-      wsFolders[0],
-      "Trace file dependencies",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix xref trace ${relativeFile}"),
-    );
-
-    tasks.push(xrefTraceFile);
-
-    const xrefGraph = new vscode.Task(
-      { type: TaskProvider.TaskType, task: "Print file dependency graph" },
-      wsFolders[0],
-      "Print file dependency graph",
-      TaskProvider.TaskType,
-      new vscode.ShellExecution("mix xref graph"),
-    );
-
-    tasks.push(xrefGraph);
+      {
+        name: "Run tests with coverage",
+        command: "mix test.coverage",
+        group: vscode.TaskGroup.Test,
+        matchers: ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
+      },
+      {
+        name: "Run test at cursor",
+        command: "mix test ${relativeFile}:${lineNumber}",
+        group: vscode.TaskGroup.Test,
+        matchers: ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
+      },
+      {
+        name: "Run tests in current file",
+        command: "mix test ${relativeFile}",
+        group: vscode.TaskGroup.Test,
+        matchers: ["$mixCompileError", "$mixCompileWarning", "$mixTestFailure"],
+      },
+      {
+        name: "Build",
+        command: "mix compile",
+        group: vscode.TaskGroup.Build,
+        matchers: ["$mixCompileError", "$mixCompileWarning"],
+      },
+      {
+        name: "Build dependencies",
+        command: "mix deps.compile",
+        group: vscode.TaskGroup.Build,
+        matchers: ["$mixCompileError", "$mixCompileWarning"],
+      },
+      {
+        name: "Clean project",
+        command: "mix clean",
+        group: vscode.TaskGroup.Clean,
+      },
+      {
+        name: "Clean project and deps",
+        command: "mix clean --deps",
+        group: vscode.TaskGroup.Clean,
+      },
+      {
+        name: "Print app tree",
+        command: "mix app.tree",
+      },
+      {
+        name: "List deps",
+        command: "mix deps",
+      },
+      {
+        name: "Clean all deps",
+        command: "mix deps.clean --all",
+        group: vscode.TaskGroup.Clean,
+      },
+      {
+        name: "Clean all unused deps",
+        command: "mix deps.clean --unlock --unused",
+        group: vscode.TaskGroup.Clean,
+      },
+      {
+        name: "Get deps",
+        command: "mix deps.get",
+      },
+      {
+        name: "Update all deps",
+        command: "mix deps.update --all",
+      },
+      {
+        name: "Format",
+        command: "mix format",
+      },
+      {
+        name: "Run",
+        command: "mix run",
+      },
+      {
+        name: "Run no halt",
+        command: "mix run --no-halt",
+      },
+      {
+        name: "Generates sample files for releases",
+        command: "mix release.init",
+      },
+      {
+        name: "Trace file dependencies",
+        command: "mix xref trace ${relativeFile}",
+      },
+      {
+        name: "Print file dependency graph",
+        command: "mix xref graph",
+      },
+    ];
+
+    for (const folder of wsFolders) {
+      const projectDir = getProjectDir(folder);
+
+      for (const spec of taskSpecs) {
+        const task = new vscode.Task(
+          { type: TaskProvider.TaskType, task: spec.name },
+          folder,
+          spec.name,
+          TaskProvider.TaskType,
+          new vscode.ShellExecution(spec.command, { cwd: projectDir }),
+          spec.matchers,
+        );
+
+        if (spec.group) {
+          task.group = spec.group;
+        }
+
+        tasks.push(task);
+      }
+    }
 
     return tasks;
   }