diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2267fc96..bc0e1687 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,5 +55,22 @@ jobs:
         run: nix develop --command bash -c 'cd vscode-extension && yarn && SERVER_VERSION=$(cat ../.version) xvfb-run --auto-servernum yarn test'
 
       - name: Show extension test logs
-        if: job.status == 'failure'
+        if: always() && job.status == 'failure'
         run: cat vscode-extension/fixture/smithyql-log.txt | tail --lines 1000
+
+  build-parser:
+    name: "Build parser"
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, macos-13]
+    runs-on: ${{matrix.os}}
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4.1.1
+      - uses: coursier/setup-action@v1
+        with:
+          apps: sbt
+          jvm: adoptium:1.21
+      - name: Parser tests
+        # intentionally not setting up nix
+        run: sbt parser/run
diff --git a/build.sbt b/build.sbt
index 76a0d945..27b19e32 100644
--- a/build.sbt
+++ b/build.sbt
@@ -75,6 +75,7 @@ val commonSettings = Seq(
   Test / scalacOptions += "-Wconf:cat=deprecation:silent,msg=Specify both message and version:silent",
   scalacOptions += "-release:11",
   mimaFailOnNoPrevious := false,
+  resolvers += "Sonatype S01 snapshots" at "https://s01.oss.sonatype.org/content/repositories/snapshots",
 )
 
 def module(
@@ -116,6 +117,7 @@ lazy val parser = module("parser")
       "io.circe" %% "circe-generic" % "0.14.10" % Test,
       "io.circe" %% "circe-parser" % "0.14.10" % Test,
       "co.fs2" %% "fs2-io" % "3.11.0" % Test,
+      "org.polyvariant.treesitter4s" %% "core" % "0.3-460753c-SNAPSHOT",
     )
   )
   .dependsOn(
diff --git a/smithy-build.json b/smithy-build.json
index 2de3872b..f39d0dee 100644
--- a/smithy-build.json
+++ b/smithy-build.json
@@ -1,5 +1,5 @@
 {
-  "sources": ["modules/core/src/test/smithy"],
+  "sources": ["modules/examples/src/main/smithy"],
   "mavenDependencies": [
     "com.disneystreaming.alloy:alloy-core:0.3.14",
     "com.disneystreaming.smithy4s:smithy4s-protocol:0.18.25",