diff --git a/.github/workflows/build-taplo.yml b/.github/workflows/build-taplo.yml
new file mode 100644
index 0000000000..c0400e4a5f
--- /dev/null
+++ b/.github/workflows/build-taplo.yml
@@ -0,0 +1,190 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on the `linux` job of
+# https://github.com/tamasfe/taplo/blob/release-taplo-cli-0.9.3/.github/workflows/releases.yaml
+name: Build taplo wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'taplo version to build (git tag without the leading release-taplo-cli-, e.g. 0.9.3)'
+        required: true
+        default: '0.9.3'
+  pull_request:
+    paths:
+      - '.github/workflows/build-taplo.yml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ inputs.version || '0.9.3' }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  # `inputs.version` is empty on pull_request events; default to 0.9.3 there.
+  TAPLO_VERSION: ${{ inputs.version || '0.9.3' }}
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+
+  build_wheel:
+    needs: [setup]
+    name: Build taplo ${{ inputs.version || '0.9.3' }} manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 360
+
+    steps:
+      - name: Checkout taplo v${{ env.TAPLO_VERSION }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: tamasfe/taplo
+          ref: release-taplo-cli-${{ env.TAPLO_VERSION }}
+          persist-credentials: false
+
+      # The git tag ships no pyproject.toml anywhere (only the released sdist
+      # has one, hoisted to its root by `maturin sdist`), so an unpatched
+      # build falls back to the Cargo package name and ships taplo_cli-*.whl
+      # instead of PyPI's taplo-*.whl. Recreate the sdist's own pyproject.toml
+      # verbatim; maturin's manifest-path ancestor walk picks it up from the
+      # checkout root.
+      - name: Write pyproject.toml
+        run: |
+          cat > pyproject.toml <<'TOML'
+          [build-system]
+          requires      = ["maturin>=1.4"]
+          build-backend = "maturin"
+
+          [project]
+          name = "taplo"
+          requires-python = ">=3.8"
+          classifiers = [
+            "Development Status :: 4 - Beta",
+            "Intended Audience :: Developers",
+            "License :: OSI Approved :: MIT License",
+            "Operating System :: OS Independent",
+            "Programming Language :: Python :: 3 :: Only",
+            "Programming Language :: Python :: 3.10",
+            "Programming Language :: Python :: 3.11",
+            "Programming Language :: Python :: 3.12",
+            "Programming Language :: Python :: 3.8",
+            "Programming Language :: Python :: 3.9",
+            "Programming Language :: Python :: Implementation :: CPython",
+            "Programming Language :: Python :: Implementation :: PyPy",
+            "Programming Language :: Python",
+            "Programming Language :: Rust",
+            "Topic :: Software Development :: Quality Assurance",
+          ]
+          dynamic = ["version"]
+
+          [tool.maturin]
+          bindings      = "bin"
+          manifest-path = "crates/taplo-cli/Cargo.toml"
+          TOML
+
+      # `[tool.maturin] bindings = "bin"`: the wheel is one compiled executable
+      # with no ABI tag, so a single native build covers every interpreter.
+      - name: Build wheel
+        uses: PyO3/maturin-action@e83996d129638aa358a18fbd1dfb82f0b0fb5d3b  # v1.51.0
+        with:
+          command: build
+          target: riscv64gc-unknown-linux-gnu
+          args: --release --locked --out dist --manifest-path crates/taplo-cli/Cargo.toml
+          manylinux: '2_39'
+          before-script-linux: git config --global --add safe.directory "*"
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: taplo-${{ env.TAPLO_VERSION }}-manylinux_riscv64
+          path: dist/*.whl
+          if-no-files-found: error
+
+  test_wheel:
+    name: Test taplo ${{ inputs.version || '0.9.3' }} on Python ${{ matrix.python-version }}
+    needs: [setup, build_wheel]
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 30
+    env:
+      # Without this uv would reuse the runner image's system CPython for 3.12
+      # and download a standalone build for the others.
+      UV_PYTHON_PREFERENCE: only-managed
+    strategy:
+      fail-fast: false
+      matrix:
+        # This repo's default interpreter matrix (gotcha in workflow-anatomy.md);
+        # the wheel is interpreter-agnostic (bindings = "bin"), so every
+        # interpreter -- including free-threaded -- exercises the same binary.
+        python-version: ['3.12', '3.13', '3.14', '3.14t']
+
+    steps:
+      - name: Download wheel
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
+        with:
+          name: taplo-${{ env.TAPLO_VERSION }}-manylinux_riscv64
+
+      - name: Install Python
+        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d  # v10.0.1
+        with:
+          python-version: ${{ matrix.python-version }}
+          activate-environment: true
+          enable-cache: false
+
+      - name: Install wheel
+        run: uv pip install --reinstall --no-index --find-links . taplo
+
+      # No wheel-level test suite ships in the sdist (gotcha 187): taplo's own
+      # `toml_test` CI job runs BurntSushi/toml-test against a debug build, and
+      # crates/taplo/src/tests is a Rust unit test, neither packaged. Drive the
+      # real lint/format engine against known-bad TOML fixtures instead of
+      # settling for a bare --version check.
+      #
+      # No `python -m taplo`: unlike prek/pyrefly, taplo's own source tree ships
+      # no taplo/__init__.py shim, so the wheel carries only the
+      # .data/scripts/taplo binary and no importable module.
+      - name: Test wheel
+        run: |
+          set -euo pipefail
+          taplo --version
+          taplo --help >/dev/null
+
+          work=$(mktemp -d)
+          cat > "$work/bad.toml" <<'TOML'
+          [package
+          name = "oops"
+          TOML
+
+          set +e
+          out=$(taplo lint "$work/bad.toml" 2>&1)
+          rc=$?
+          set -e
+          echo "$out"
+          [ "$rc" -ne 0 ]
+
+          cat > "$work/messy.toml" <<'TOML'
+          [package]
+          name    =   "demo"
+          version="0.1.0"
+          TOML
+
+          set +e
+          taplo format --check "$work/messy.toml"
+          rc=$?
+          set -e
+          [ "$rc" -ne 0 ]
+
+          taplo format "$work/messy.toml"
+          taplo format --check "$work/messy.toml"
+          grep -q 'name = "demo"' "$work/messy.toml"
+
+  publish:
+    name: Publish taplo ${{ inputs.version || '0.9.3' }}
+    needs: [setup, build_wheel, test_wheel]
+    permissions:
+      contents: write
+      pull-requests: write
+    uses: $/.github/workflows/_publish-wheel.yml
+    with:
+      artifact-pattern: taplo-${{ inputs.version || '0.9.3' }}-manylinux_riscv64