diff --git a/action.yml b/action.yml
new file mode 100644
index 00000000..ca44f420
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,63 @@
+name: 'scitt-client'
+description: 'Create and submit statement to a SCITT instance'
+inputs:
+  issuer:
+    description: 'Issuer of statement'
+    required: true
+  subject:
+    description: 'Subject of statement'
+    required: true
+  payload:
+    description: 'Payload for statement'
+    required: true
+  payload-content-type:
+    description: 'Statement payload content-type'
+    required: false
+    default: 'application/json'
+  private-key-pem:
+    description: 'Private key pem bytes'
+    required: true
+  scitt-url:
+    description: 'URL of scitt instance'
+    required: true
+  scitt-pip-install:
+    description: 'Argument to pass to pip to install scitt-emulator Python package (defaults to main.tar.gz of upstream repo)'
+    default: 'https://github.com/scitt-community/scitt-api-emulator/archive/refs/heads/main.tar.gz'
+outputs:
+  entry-id:
+    description: "Entry ID of submitted statement"
+    value: ${{ steps.submit-statement.outputs.entry-id }}
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/setup-python@v5
+      id: setup-python
+      with:
+        python-version: '3.12'
+        update-environment: false
+    - name: "Install Dependencies"
+      shell: bash -xeuo pipefail {0}
+      env:
+        SCITT_PIP_INSTALL: ${{ inputs.scitt-pip-install }}
+      run: |
+        export LD_LIBRARY_PATH="$(dirname $(dirname ${{ steps.setup-python.outputs.python-path }}))/lib:${LD_LIBRARY_PATH}"
+        echo "LD_LIBRARY_PATH=${LD_LIBRARY_PATH}" >> $GITHUB_ENV
+        ${{ steps.setup-python.outputs.python-path }} -m pip install "${SCITT_PIP_INSTALL}"
+    - name: Create statement
+      shell: bash -xeuo pipefail {0}
+      env:
+        ISSUER: ${{ inputs.issuer }}
+        PAYLOAD: ${{ inputs.payload }}
+        SUBJECT: ${{ inputs.subject }}
+        PRIVATE_KEY_PEM: ${{ inputs.private-key-pem }}
+        PAYLOAD_CONTENT_TYPE: ${{ inputs.payload-content-type }}
+      run: |
+        "$(dirname ${{ steps.setup-python.outputs.python-path }})/scitt-emulator" client create-claim --issuer "${ISSUER}" --subject "${SUBJECT}" --content-type "${PAYLOAD_CONTENT_TYPE}" --payload "${PAYLOAD}" --out statement.cbor --private-key-pem "${PRIVATE_KEY_PEM}"
+    - name: Submit statement
+      shell: bash -xeuo pipefail {0}
+      id: submit-statement
+      env:
+        SCITT_URL: ${{ inputs.scitt-url }}
+      run: |
+        "$(dirname ${{ steps.setup-python.outputs.python-path }})/scitt-emulator" client submit-claim --url "${SCITT_URL}" --claim statement.cbor --out statement.receipt.cbor 2>&1 | tee >(grep Entry\ ID: | awk '{print $NF}' > entry_id.txt)
+        echo "entry-id=$(cat entry_id.txt)" >> "${GITHUB_OUTPUT}"