diff --git a/.github/workflows/build-marin-iris-native.yml b/.github/workflows/build-marin-iris-native.yml
new file mode 100644
index 000000000000..bf0a8d920387
--- /dev/null
+++ b/.github/workflows/build-marin-iris-native.yml
@@ -0,0 +1,225 @@
+# SPDX-FileCopyrightText: 2026 The RISE Project
+# SPDX-License-Identifier: MIT
+---
+# This workflow is based on the Linux leg of marin-community/marin's own release
+# pipeline for lib/iris/rust (maturin build of pyext/, module name iris_native).
+name: Build marin-iris-native wheels (riscv64)
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version glob to (re)build; empty builds every version of docs/packages/marin-iris-native.yaml not released yet'
+        required: false
+        default: ''
+  pull_request:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-marin-iris-native.yml'
+      - 'docs/packages/marin-iris-native.yaml'
+  push:
+    branches: [main]
+    paths:
+      - '.github/workflows/build-marin-iris-native.yml'
+      - 'docs/packages/marin-iris-native.yaml'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read  # to fetch code (actions/checkout)
+
+env:
+  # marin-community/marin pushes no marin-iris-native-v0.1.3 tag (continuous
+  # internal releases, no tags at all in the repo); this is the commit whose
+  # lib/iris/rust tree is byte-identical to the 0.1.3 sdist on PyPI (gotcha 103).
+  # Move it together with the pending version in docs/packages/marin-iris-native.yaml.
+  IRIS_NATIVE_REF: 0a33b5b2ce3bb5a3ed36e217c38f431bf2ba401c
+
+jobs:
+  setup:
+    uses: $/.github/workflows/_setup.yml
+    with:
+      package: marin-iris-native
+      version: ${{ inputs.version }}
+
+  build_wheel:
+    needs: [setup]
+    if: needs.setup.outputs.versions != '[]'
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+    name: Build marin-iris-native ${{ matrix.version }} cp312-abi3-manylinux_riscv64
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 360
+
+    env:
+      IRIS_NATIVE_VERSION: ${{ matrix.version }}
+
+    steps:
+      - name: Checkout marin @ ${{ env.IRIS_NATIVE_REF }}
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1  # v7.0.1
+        with:
+          repository: marin-community/marin
+          ref: ${{ env.IRIS_NATIVE_REF }}
+          persist-credentials: false
+
+      - name: Check package version
+        run: grep -qx 'version = "'"${IRIS_NATIVE_VERSION}"'"' lib/iris/rust/pyproject.toml
+
+      # [tool.maturin] has no `license-files`, so maturin's default LICEN[CS]E*
+      # glob only looks next to lib/iris/rust/pyproject.toml -- the repo's
+      # actual LICENSE lives at the monorepo root (gotcha 146). Upstream's own
+      # published wheel has the same gap (no LICENSE in its dist-info); copy
+      # it in so ours doesn't.
+      - name: Copy LICENSE next to the crate's pyproject.toml
+        run: cp LICENSE lib/iris/rust/LICENSE
+
+      # pyo3's "abi3-py312" feature (pyext/Cargo.toml) makes one cp312-abi3
+      # wheel serve every interpreter >=3.12, matching upstream's own
+      # cp312-abi3-manylinux_2_34_{x86_64,aarch64} shape.
+      - name: Build wheel
+        uses: PyO3/maturin-action@e83996d129638aa358a18fbd1dfb82f0b0fb5d3b  # v1.51.0
+        with:
+          command: build
+          target: riscv64gc-unknown-linux-gnu
+          args: --release --locked --out dist
+          manylinux: '2_39'
+          working-directory: lib/iris/rust
+          before-script-linux: git config --global --add safe.directory "*"
+
+      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: marin-iris-native-${{ env.IRIS_NATIVE_VERSION }}-cp312-abi3-manylinux_riscv64
+          path: lib/iris/rust/dist/*.whl
+          if-no-files-found: error
+
+  test_wheel:
+    name: Test marin-iris-native ${{ matrix.version }} on Python ${{ matrix.python-version }}
+    needs: [setup, build_wheel]
+    if: needs.setup.outputs.versions != '[]'
+    runs-on: ubuntu-24.04-riscv
+    timeout-minutes: 30
+    env:
+      IRIS_NATIVE_VERSION: ${{ matrix.version }}
+      UV_PYTHON_PREFERENCE: only-managed
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ${{ fromJSON(needs.setup.outputs.versions) }}
+        # Floor is 3.12 (pyo3 abi3-py312); no 3.14t -- pyo3's abi3 feature
+        # targets the pre-3.13 limited API, which free-threaded CPython does
+        # not implement, so the wheel is not loadable there.
+        python-version: ['3.12', '3.13', '3.14']
+
+    steps:
+      - name: Download wheel
+        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
+        with:
+          name: marin-iris-native-${{ env.IRIS_NATIVE_VERSION }}-cp312-abi3-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 . marin-iris-native
+
+      # No wheel-level test suite ships in the sdist (gotcha 187): iris_native
+      # is a thin pyo3 binding with no Python-side tests upstream. Drive the
+      # real extension instead of a bare import -- bind a real TCP listener
+      # through the Rust tokio runtime, read back the JSON stats properties,
+      # and send one real HTTP request through axum's router to prove request
+      # handling, not just module load, works on riscv64.
+      - name: Test wheel
+        run: |
+          set -euo pipefail
+          python3 - <<'PY'
+          import json
+          import urllib.error
+          import urllib.request
+
+          import iris_native as native
+
+          auth_config = json.dumps(
+              {
+                  "mode": "permissive",
+                  "issuers": [],
+                  "jwks": {"keys": []},
+                  "leeway_seconds": 0,
+                  "cache_capacity": 10,
+                  "cache_ttl_seconds": 60,
+                  "control_audience": "test",
+                  "proxy_audience": "test",
+                  "proxy_scope": "test",
+                  "federation_audience": "test",
+                  "session_cookie": "session",
+                  "iap_public_keys_url": "https://example.invalid/keys",
+                  "iap_issuer": "https://example.invalid",
+                  "default_user_role": "user",
+              }
+          )
+
+          with native.NativeProxy(
+              "127.0.0.1",
+              0,
+              "http://127.0.0.1:1",
+              "test-secret",
+              auth_config,
+              1,
+          ) as proxy:
+              assert proxy.port > 0, proxy.port
+              # The `address` getter returns `format!("http://{}", self.address)`
+              # (pyext/src/lib.rs), i.e. a full URL, not a bare "host:port".
+              assert proxy.address == f"http://127.0.0.1:{proxy.port}", proxy.address
+
+              stats = json.loads(proxy.stats_json)
+              rpc_metrics = json.loads(proxy.rpc_metrics_json)
+              print("stats:", stats)
+              print("rpc_metrics:", rpc_metrics)
+
+              # A bare "/" is not a dedicated 404 route -- ingress_inner (src/lib.rs)
+              # only short-circuits to a 404 "route not found" for a request whose path
+              # is exactly DECISION_PATH ("/_iris/internal/proxy-decision", an endpoint
+              # meant to be unreachable from outside); everything else, "/" included,
+              # falls through to the real proxy/controller forwarding, which correctly
+              # surfaces a 502 against the deliberately-unreachable upstream
+              # ("http://127.0.0.1:1" above). Hit the real DECISION_PATH to exercise the
+              # 404 fallback this test actually means to check.
+              try:
+                  urllib.request.urlopen(
+                      f"http://127.0.0.1:{proxy.port}/_iris/internal/proxy-decision", timeout=5
+                  )
+              except urllib.error.HTTPError as error:
+                  assert error.code == 404, error.code
+                  body = json.loads(error.read())
+                  assert body == {"error": "route not found"}, body
+              else:
+                  raise AssertionError("expected the native listener to 404 on the decision path")
+
+              proxy.pause_registry()
+
+          print("ASSERT OK: NativeProxy binds, serves, and reports stats on riscv64")
+          PY
+
+  publish:
+    name: Publish marin-iris-native ${{ matrix.version }}
+    needs: [setup, build_wheel, test_wheel]
+    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: ${{ secrets.RISEPROJECT_APP_PRIVATE_KEY }}
+    with:
+      artifact-pattern: marin-iris-native-${{ matrix.version }}-*-manylinux_riscv64
diff --git a/docs/packages/marin-iris-native.yaml b/docs/packages/marin-iris-native.yaml
new file mode 100644
index 000000000000..3720fe251302
--- /dev/null
+++ b/docs/packages/marin-iris-native.yaml
@@ -0,0 +1,5 @@
+package-name: marin-iris-native
+source-code: https://github.com/marin-community/marin
+license: Apache-2.0
+versions:
+- version: 0.1.3