diff --git a/.github/workflows/release-check.yml b/.github/workflows/release-check.yml
new file mode 100644
index 00000000..63d7dfa0
--- /dev/null
+++ b/.github/workflows/release-check.yml
@@ -0,0 +1,159 @@
+name: Release Check
+
+on:
+  # Allow manual trigger for testing
+  workflow_dispatch:
+
+jobs:
+  prepare:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+      last_release: ${{ steps.last-release.outputs.hash }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Find package directories
+        id: set-matrix
+        run: |
+          # Find all package.json and pyproject.toml files, excluding root
+          DIRS=$(git ls-tree -r HEAD --name-only | grep -E "package.json|pyproject.toml" | xargs dirname | grep -v "^.$" | jq -R -s -c 'split("\n")[:-1]')
+          echo "matrix=${DIRS}" >> $GITHUB_OUTPUT
+          echo "Found directories: ${DIRS}"
+
+      - name: Get last release hash
+        id: last-release
+        run: |
+          HASH=$(git rev-list --tags --max-count=1 || echo "HEAD~1")
+          echo "hash=${HASH}" >> $GITHUB_OUTPUT
+          echo "Using last release hash: ${HASH}"
+
+  check-release:
+    needs: prepare
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        directory: ${{ fromJson(needs.prepare.outputs.matrix) }}
+      fail-fast: false
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: astral-sh/setup-uv@v5
+
+      - name: Setup Node.js
+        if: endsWith(matrix.directory, '/package.json')
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18'
+
+      - name: Setup Python
+        if: endsWith(matrix.directory, '/pyproject.toml')
+        run: uv python install
+
+      - name: Check release
+        id: check
+        run: |
+          # Create unique hash for this directory
+          dir_hash=$(echo "${{ matrix.directory }}" | sha256sum | awk '{print $1}')
+
+          # Run release check script with verbose output
+          echo "Running release check against last release: ${{ needs.prepare.outputs.last_release }}"
+
+          # Run git diff first to show changes
+          echo "Changes since last release:"
+          git diff --name-only "${{ needs.prepare.outputs.last_release }}" -- "${{ matrix.directory }}" || true
+
+          # Run the release check
+          output=$(uv run --script scripts/release.py --dry-run "${{ matrix.directory }}" "${{ needs.prepare.outputs.last_release }}" 2>&1)
+          exit_code=$?
+
+          echo "Release check output (exit code: $exit_code):"
+          echo "$output"
+
+          # Extract package info if successful
+          if [ $exit_code -eq 0 ]; then
+            pkg_info=$(echo "$output" | grep -o -E "[a-zA-Z0-9\-]+@[0-9]+\.[0-9]+\.[0-9]+" || true)
+          else
+            echo "Release check failed"
+            exit 1
+          fi
+
+          if [ ! -z "$pkg_info" ]; then
+            echo "Found package that needs release: $pkg_info"
+
+            # Create outputs directory
+            mkdir -p ./outputs
+
+            # Save both package info and full changes
+            echo "$pkg_info" > "./outputs/${dir_hash}_info"
+            echo "dir_hash=${dir_hash}" >> $GITHUB_OUTPUT
+
+            # Log what we're saving
+            echo "Saved package info to ./outputs/${dir_hash}_info:"
+            cat "./outputs/${dir_hash}_info"
+          else
+            echo "No release needed for this package"
+          fi
+
+      - name: Set artifact name
+        if: steps.check.outputs.dir_hash
+        id: artifact
+        run: |
+          # Replace forward slashes with dashes
+          SAFE_DIR=$(echo "${{ matrix.directory }}" | tr '/' '-')
+          echo "name=release-outputs-${SAFE_DIR}" >> $GITHUB_OUTPUT
+
+      - uses: actions/upload-artifact@v4
+        if: steps.check.outputs.dir_hash
+        with:
+          name: ${{ steps.artifact.outputs.name }}
+          path: ./outputs/${{ steps.check.outputs.dir_hash }}*
+
+  check-tag:
+    needs: [prepare, check-release]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/download-artifact@v4
+        with:
+          pattern: release-outputs-src-*
+          merge-multiple: true
+          path: outputs
+
+      - name: Simulate tag creation
+        run: |
+          if [ -d outputs ]; then
+            # Collect package info
+            find outputs -name "*_info" -exec cat {} \; > packages.txt
+
+            if [ -s packages.txt ]; then
+              DATE=$(date +%Y.%m.%d)
+              echo "🔍 Dry run: Would create tag v${DATE} if this was a real release"
+
+              # Generate comprehensive release notes
+              {
+                echo "# Release ${DATE}"
+                echo ""
+                echo "## Updated Packages"
+                while IFS= read -r line; do
+                  echo "- $line"
+                done < packages.txt
+              } > notes.md
+
+              echo "🔍 Would create release with following notes:"
+              cat notes.md
+
+              echo "🔍 Would create tag v${DATE} with the above release notes"
+              echo "🔍 Would create GitHub release from tag v${DATE}"
+            else
+              echo "No packages need release"
+            fi
+          else
+            echo "No release artifacts found"
+          fi
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 00000000..4d135ad6
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,131 @@
+name: Automatic Release Creation
+
+on:
+  workflow_dispatch:
+
+jobs:
+  detect-last-release:
+    runs-on: ubuntu-latest
+    outputs:
+      last_release: ${{ steps.last-release.outputs.hash }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get last release hash
+        id: last-release
+        run: |
+          HASH=$(git rev-list --tags --max-count=1 || echo "HEAD~1")
+          echo "hash=${HASH}" >> $GITHUB_OUTPUT
+          echo "Using last release hash: ${HASH}"
+
+  create-tag-name:
+    runs-on: ubuntu-latest
+    outputs:
+      tag_name: ${{ steps.last-release.outputs.tag}}
+    steps:
+      - name: Get last release hash
+        id: last-release
+        run: |
+          DATE=$(date +%Y.%m.%d)
+          echo "tag=v${DATE}" >> $GITHUB_OUTPUT
+          echo "Using tag: v${DATE}"
+
+  detect-packages:
+    needs: [detect-last-release]
+    runs-on: ubuntu-latest
+    outputs:
+      packages: ${{ steps.find-packages.outputs.packages }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Find packages
+        id: find-packages
+        working-directory: src
+        run: |
+          cat << 'EOF' > find_packages.py
+          import json
+          import os
+          import subprocess
+          from itertools import chain
+          from pathlib import Path
+
+          packages = []
+
+          print("Starting package detection...")
+          print(f"Using LAST_RELEASE: {os.environ['LAST_RELEASE']}")
+
+          # Find all directories containing package.json or pyproject.toml
+          paths = chain(Path('.').glob('*/package.json'), Path('.').glob('*/pyproject.toml'))
+          for path in paths:
+                print(f"\nChecking path: {path}")
+                # Check for changes in .py or .ts files
+                # Run git diff from the specific directory
+                cmd = ['git', 'diff', '--name-only', f'{os.environ["LAST_RELEASE"]}..HEAD', '--', '.']
+                result = subprocess.run(cmd, capture_output=True, text=True, cwd=path.parent)
+
+                # Check if any .py or .ts files were changed
+                changed_files = result.stdout.strip().split('\n')
+                print(f"Changed files found: {changed_files}")
+
+                has_changes = any(f.endswith(('.py', '.ts')) for f in changed_files if f)
+                if has_changes:
+                    print(f"Adding package: {path.parent}")
+                    packages.append(str(path.parent))
+
+          print(f"\nFinal packages list: {packages}")
+
+          # Write output
+          with open(os.environ['GITHUB_OUTPUT'], 'a') as f:
+              f.write(f"packages={json.dumps(packages)}\n")
+          EOF
+
+          LAST_RELEASE=${{ needs.detect-last-release.outputs.last_release }} uv run --script --python 3.12 find_packages.py
+
+  create-tag:
+    needs: [detect-packages, create-tag-name]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Create release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          # Configure git
+          git config --global user.name "GitHub Actions"
+          git config --global user.email "actions@github.com"
+
+          # Get packages array
+          PACKAGES='${{ needs.detect-packages.outputs.packages }}'
+
+          if [ "$(echo "$PACKAGES" | jq 'length')" -gt 0 ]; then
+            # Generate comprehensive release notes
+            {
+              echo "# Release ${{ needs.create-tag-name.outputs.tag_name }}"
+              echo ""
+              echo "## Updated Packages"
+              echo "$PACKAGES" | jq -r '.[]' | while read -r package; do
+                echo "- $package"
+              done
+            } > notes.md
+
+            # Create and push tag
+            git tag -a "${{ needs.create-tag-name.outputs.tag_name }}" -m "Release ${{ needs.create-tag-name.outputs.tag_name }}"
+            git push origin "${{ needs.create-tag-name.outputs.tag_name }}"
+
+            # Create GitHub release
+            gh release create "${{ needs.create-tag-name.outputs.tag_name }}" \
+              --title "Release ${{ needs.create-tag-name.outputs.tag_name }}" \
+              --notes-file notes.md
+          else
+            echo "No packages need release"
+          fi
diff --git a/scripts/release.py b/scripts/release.py
new file mode 100755
index 00000000..ace528eb
--- /dev/null
+++ b/scripts/release.py
@@ -0,0 +1,181 @@
+#!/usr/bin/env uv run --script
+# /// script
+# requires-python = ">=3.11"
+# dependencies = [
+#     "click>=8.1.8",
+#     "tomlkit>=0.13.2"
+# ]
+# ///
+import sys
+import re
+import click
+from pathlib import Path
+import json
+import tomlkit
+import datetime
+import subprocess
+from enum import Enum
+from typing import Any, NewType
+
+
+Version = NewType("Version", str)
+GitHash = NewType("GitHash", str)
+
+
+class GitHashParamType(click.ParamType):
+    name = "git_hash"
+
+    def convert(
+        self, value: Any, param: click.Parameter | None, ctx: click.Context | None
+    ) -> GitHash | None:
+        if value is None:
+            return None
+
+        if not (8 <= len(value) <= 40):
+            self.fail(f"Git hash must be between 8 and 40 characters, got {len(value)}")
+
+        if not re.match(r"^[0-9a-fA-F]+$", value):
+            self.fail("Git hash must contain only hex digits (0-9, a-f)")
+
+        try:
+            # Verify hash exists in repo
+            subprocess.run(
+                ["git", "rev-parse", "--verify", value], check=True, capture_output=True
+            )
+        except subprocess.CalledProcessError:
+            self.fail(f"Git hash {value} not found in repository")
+
+        return GitHash(value.lower())
+
+
+GIT_HASH = GitHashParamType()
+
+
+class PackageType(Enum):
+    NPM = 1
+    PYPI = 2
+
+    @classmethod
+    def from_path(cls, directory: Path) -> "PackageType":
+        if (directory / "package.json").exists():
+            return cls.NPM
+        elif (directory / "pyproject.toml").exists():
+            return cls.PYPI
+        else:
+            raise Exception("No package.json or pyproject.toml found")
+
+
+def get_changes(path: Path, git_hash: str) -> bool:
+    """Check if any files changed between current state and git hash"""
+    try:
+        output = subprocess.run(
+            ["git", "diff", "--name-only", git_hash, "--", path],
+            cwd=path,
+            check=True,
+            capture_output=True,
+            text=True,
+        )
+
+        changed_files = [Path(f) for f in output.stdout.splitlines()]
+        relevant_files = [f for f in changed_files if f.suffix in ['.py', '.ts']]
+        return len(relevant_files) >= 1
+    except subprocess.CalledProcessError:
+        return False
+
+
+def get_package_name(path: Path, pkg_type: PackageType) -> str:
+    """Get package name from package.json or pyproject.toml"""
+    match pkg_type:
+        case PackageType.NPM:
+            with open(path / "package.json", "rb") as f:
+                return json.load(f)["name"]
+        case PackageType.PYPI:
+            with open(path / "pyproject.toml") as f:
+                toml_data = tomlkit.parse(f.read())
+                name = toml_data.get("project", {}).get("name")
+                if not name:
+                    raise Exception("No name in pyproject.toml project section")
+                return str(name)
+
+
+def generate_version() -> Version:
+    """Generate version based on current date"""
+    now = datetime.datetime.now()
+    return Version(f"{now.year}.{now.month}.{now.day}")
+
+
+def publish_package(
+    path: Path, pkg_type: PackageType, version: Version, dry_run: bool = False
+):
+    """Publish package based on type"""
+    try:
+        match pkg_type:
+            case PackageType.NPM:
+                # Update version in package.json
+                with open(path / "package.json", "rb+") as f:
+                    data = json.load(f)
+                    data["version"] = version
+                    f.seek(0)
+                    json.dump(data, f, indent=2)
+                    f.truncate()
+
+                if not dry_run:
+                    # Publish to npm
+                    subprocess.run(["npm", "publish"], cwd=path, check=True)
+            case PackageType.PYPI:
+                # Update version in pyproject.toml
+                with open(path / "pyproject.toml") as f:
+                    data = tomlkit.parse(f.read())
+                    data["project"]["version"] = version
+
+                with open(path / "pyproject.toml", "w") as f:
+                    f.write(tomlkit.dumps(data))
+
+                if not dry_run:
+                    # Build and publish to PyPI
+                    subprocess.run(["uv", "build"], cwd=path, check=True)
+                    subprocess.run(
+                        ["uv", "publish"],
+                        cwd=path,
+                        check=True,
+                    )
+    except Exception as e:
+        raise Exception(f"Failed to publish: {e}") from e
+
+
+@click.command()
+@click.argument("directory", type=click.Path(exists=True, path_type=Path))
+@click.argument("git_hash", type=GIT_HASH)
+@click.option(
+    "--dry-run", is_flag=True, help="Update version numbers but don't publish"
+)
+def main(directory: Path, git_hash: GitHash, dry_run: bool) -> int:
+    """Release package if changes detected"""
+    # Detect package type
+    try:
+        path = directory.resolve(strict=True)
+        pkg_type = PackageType.from_path(path)
+    except Exception as e:
+        return 1
+
+    # Check for changes
+    if not get_changes(path, git_hash):
+        return 0
+
+    try:
+        # Generate version and publish
+        version = generate_version()
+        name = get_package_name(path, pkg_type)
+
+        publish_package(path, pkg_type, version, dry_run)
+        if not dry_run:
+            click.echo(f"{name}@{version}")
+        else:
+            click.echo(f"Dry run: Would have published {name}@{version}")
+        return 0
+    except Exception as e:
+        return 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())