diff --git a/.github/workflows/csharp-qltest.yml b/.github/workflows/csharp-qltest.yml
index fc8bc218fe76..38ea2790dbf0 100644
--- a/.github/workflows/csharp-qltest.yml
+++ b/.github/workflows/csharp-qltest.yml
@@ -5,6 +5,10 @@ on:
     paths:
       - "csharp/**"
       - "shared/**"
+      - "!shared/tree-sitter-extractor/**"
+      - "!shared/yeast/**"
+      - "!shared/yeast-macros/**"
+      - "!shared/yeast-schema/**"
       - "misc/bazel/**"
       - .github/actions/fetch-codeql/action.yml
       - codeql-workspace.yml
@@ -16,6 +20,10 @@ on:
     paths:
       - "csharp/**"
       - "shared/**"
+      - "!shared/tree-sitter-extractor/**"
+      - "!shared/yeast/**"
+      - "!shared/yeast-macros/**"
+      - "!shared/yeast-schema/**"
       - "misc/bazel/**"
       - .github/workflows/csharp-qltest.yml
       - .github/actions/fetch-codeql/action.yml
diff --git a/.github/workflows/go-tests.yml b/.github/workflows/go-tests.yml
index 6578f09b8dfc..5a3bc9342855 100644
--- a/.github/workflows/go-tests.yml
+++ b/.github/workflows/go-tests.yml
@@ -5,6 +5,10 @@ on:
       - "go/**"
       - "!go/documentation/**"
       - "shared/**"
+      - "!shared/tree-sitter-extractor/**"
+      - "!shared/yeast/**"
+      - "!shared/yeast-macros/**"
+      - "!shared/yeast-schema/**"
       - .github/workflows/go-tests.yml
       - .github/actions/**
       - codeql-workspace.yml
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 34f5efb74ba6..6782733f7d2d 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -7,6 +7,9 @@ on:
       - "misc/bazel/**"
       - "misc/codegen/**"
       - "shared/**"
+      - "!shared/yeast/**"
+      - "!shared/yeast-macros/**"
+      - "!shared/yeast-schema/**"
       - "MODULE.bazel"
       - .github/workflows/rust.yml
       - .github/actions/**
diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 4a5613f988e5..3c9b0deb4a1f 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -7,6 +7,10 @@ on:
       - "misc/bazel/**"
       - "misc/codegen/**"
       - "shared/**"
+      - "!shared/tree-sitter-extractor/**"
+      - "!shared/yeast/**"
+      - "!shared/yeast-macros/**"
+      - "!shared/yeast-schema/**"
       - "*.bazel*"
       - .github/workflows/swift.yml
       - .github/actions/**
diff --git a/.github/workflows/yeast-test.yml b/.github/workflows/yeast-test.yml
new file mode 100644
index 000000000000..48e0ca01498f
--- /dev/null
+++ b/.github/workflows/yeast-test.yml
@@ -0,0 +1,32 @@
+name: Test Yeast
+
+on:
+  push:
+    paths:
+      - "shared/yeast/**"
+      - "shared/yeast-macros/**"
+      - "shared/yeast-schema/**"
+      - .github/workflows/yeast-test.yml
+    branches:
+      - main
+      - "rc/*"
+  pull_request:
+    paths:
+      - "shared/yeast/**"
+      - "shared/yeast-macros/**"
+      - "shared/yeast-schema/**"
+      - .github/workflows/yeast-test.yml
+
+env:
+  CARGO_TERM_COLOR: always
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v5
+      - name: Run tests
+        run: cargo test --verbose --package codeql-extractor --package yeast --package yeast-macros --package yeast-schema