diff --git a/.github/workflows/build-pyvrl.yml b/.github/workflows/build-pyvrl.yml
new file mode 100644
index 00000000000..5cbcb404720
--- /dev/null
+++ b/.github/workflows/build-pyvrl.yml
@@ -0,0 +1,151 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on: https://github.com/crowdalert/pyvrl/blob/v0.0.2/.github/workflows/ci.yaml
+name: Build pyvrl wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/pyvrl.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-pyvrl.yml'
+      - 'docs/packages/pyvrl.yaml'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-pyvrl.yml'
+      - 'docs/packages/pyvrl.yaml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  MANYLINUX_RISCV64_IMAGE: quay.io/pypa/manylinux_2_39_riscv64
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+    with:
+      package: pyvrl
+      version: ${{ inputs.version }}
+
+  build_wheels:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    name: Build pyvrl ${{ matrix.version }} ${{ matrix.python }}-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 1440
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+        # cp312 is pyo3 0.20's ceiling, which is also where upstream's own
+        # wheels stop. PYO3_USE_ABI3_FORWARD_COMPATIBILITY would lift it, but
+        # it turns on Py_LIMITED_API, and pyo3 0.20 cfg-removes the chrono
+        # conversions this crate needs under it.
+        python: ["cp312"]
+
+    env:
+      PYVRL_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout pyvrl ${{ env.PYVRL_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: crowdalert/pyvrl
+          ref: v${{ env.PYVRL_VERSION }}
+          persist-credentials: false
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@1828c10ab37f080699c7b81cea34097c684a7074  # v4.2.0
+        with:
+          output-dir: wheelhouse/
+          # musllinux is dropped: rustup.rs ships no riscv64 musl toolchain.
+          only: ${{ matrix.python }}-manylinux_riscv64
+        env:
+          CIBW_MANYLINUX_RISCV64_IMAGE: ${{ env.MANYLINUX_RISCV64_IMAGE }}
+          # pyvrl ships no [tool.cibuildwheel], so the Rust toolchain its
+          # maturin backend needs is installed in-container here.
+          CIBW_BEFORE_ALL_LINUX: >-
+            curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          CIBW_ENVIRONMENT_LINUX: >-
+            PATH="$PATH:$HOME/.cargo/bin"
+          CIBW_TEST_COMMAND: |
+            python3 - <<'PYEOF'
+            import datetime
+            from pyvrl import Transform
+            program = '''
+            .y = "bar"
+            .x = upcase!(.x)
+            .n = to_int!(.n) + 1
+            .list = push!(.list, "z")
+            .
+            '''
+            transform = Transform(program)
+            assert transform.source == program
+            out = transform.remap({"x": "foo", "n": 41, "list": ["a"]})
+            assert out == {"x": "FOO", "y": "bar", "n": 42, "list": ["a", "z"]}, out
+            unicode = Transform('.s = upcase!(.s)\n.')
+            assert unicode.remap({"s": "caf\N{LATIN SMALL LETTER E WITH ACUTE} \N{EARTH GLOBE AMERICAS}"}) == {"s": "CAF\N{LATIN CAPITAL LETTER E WITH ACUTE} \N{EARTH GLOBE AMERICAS}"}
+            parsed = Transform('. = parse_json!(.raw)').remap({"raw": '{"a": [1, 2.5, true, null]}'})
+            assert parsed == {"a": [1, 2.5, True, None]}, parsed
+            stamp = Transform('. = {"t": parse_timestamp!("2024-05-06T07:08:09Z", "%+")}').remap({})
+            assert stamp == {"t": datetime.datetime(2024, 5, 6, 7, 8, 9, tzinfo=datetime.timezone.utc)}, stamp
+            try:
+                Transform(".x = no_such_function!(.x)")
+            except ValueError:
+                pass
+            else:
+                raise AssertionError("expected a compile error")
+            try:
+                Transform("abort").remap({})
+            except ValueError:
+                pass
+            else:
+                raise AssertionError("expected a runtime error")
+            print("pyvrl OK")
+            PYEOF
+
+      - name: Check the extension made it into the wheel
+        run: |
+          python3 - wheelhouse/*.whl <<'EOF'
+          import sys, zipfile
+          for whl in sys.argv[1:]:
+              names = zipfile.ZipFile(whl).namelist()
+              assert any(n.startswith("pyvrl/pyvrl.") and n.endswith(".so") for n in names), names
+              assert any("licen" in n and n.endswith("LICENSE") for n in names), names
+              print(whl, "ok")
+          EOF
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: pyvrl-${{ env.PYVRL_VERSION }}-${{ matrix.python }}-manylinux_riscv64
+          path: wheelhouse/*.whl
+          if-no-files-found: error
+
+  publish:
+    name: Publish pyvrl ${{ matrix.version }}
+    needs: [setup, build_wheels]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    secrets:
+      app-private-key: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: pyvrl-${{ matrix.version }}-*-manylinux_riscv64
diff --git a/docs/packages/pyvrl.yaml b/docs/packages/pyvrl.yaml
new file mode 100644
index 00000000000..50f87de5d05
--- /dev/null
+++ b/docs/packages/pyvrl.yaml
@@ -0,0 +1,5 @@
+package-name: pyVRL
+source-code: https://github.com/crowdalert/pyvrl
+license: MIT
+versions:
+- version: 0.0.2