diff --git a/.mise/tasks/bench-filesystem-clients b/.mise/tasks/bench-filesystem-clients
new file mode 100755
index 0000000..d42d1ca
--- /dev/null
+++ b/.mise/tasks/bench-filesystem-clients
@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+#MISE description="Benchmark AWS Mountpoint and Azure BlobFuse mounts against driver, adapter, and facade layers."
+set -euo pipefail
+
+deno ci
+deno task bench:filesystem-clients
diff --git a/.mise/tasks/commits b/.mise/tasks/commits
new file mode 100755
index 0000000..770ce11
--- /dev/null
+++ b/.mise/tasks/commits
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+#MISE description="Validate Conventional Commit messages for the selected Git range."
+set -euo pipefail
+
+: "${HEAD_SHA:?HEAD_SHA is required}"
+BASE_SHA="${BASE_SHA:-}"
+if [[ -z "$BASE_SHA" || "$BASE_SHA" == '0000000000000000000000000000000000000000' ]]; then
+  BASE_SHA="$(git rev-list --max-parents=0 "$HEAD_SHA")"
+fi
+
+npx --yes --package=@commitlint/cli@21.2.1 commitlint \
+  --default-config \
+  --from "$BASE_SHA" \
+  --to "$HEAD_SHA" \
+  --verbose
diff --git a/.mise/tasks/npm-exists b/.mise/tasks/npm-exists
new file mode 100755
index 0000000..68edc5f
--- /dev/null
+++ b/.mise/tasks/npm-exists
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+#MISE description="Return success when @okikio/opfs already exists on npm."
+set -euo pipefail
+
+npm view @okikio/opfs version >/dev/null 2>&1
diff --git a/.mise/tasks/publish-jsr b/.mise/tasks/publish-jsr
new file mode 100755
index 0000000..4b45721
--- /dev/null
+++ b/.mise/tasks/publish-jsr
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+#MISE description="Reverify and publish one immutable release to JSR."
+set -euo pipefail
+
+: "${RELEASE_VERSION:?RELEASE_VERSION is required}"
+deno ci
+deno publish --dry-run --set-version "$RELEASE_VERSION"
+deno publish --set-version "$RELEASE_VERSION"
diff --git a/.mise/tasks/publish-npm b/.mise/tasks/publish-npm
new file mode 100755
index 0000000..29fa625
--- /dev/null
+++ b/.mise/tasks/publish-npm
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#MISE description="Build, verify, and publish one immutable release to npm."
+set -euo pipefail
+
+: "${RELEASE_VERSION:?RELEASE_VERSION is required}"
+MODE="${NPM_AUTH_MODE:-trusted}"
+if [[ "$MODE" == token ]]; then
+  : "${NPM_TOKEN:?NPM_TOKEN is required for token authentication}"
+  npm config set //registry.npmjs.org/:_authToken "$NPM_TOKEN"
+fi
+
+mise run verify-npm
+npm publish .release/npm/*.tgz --access public --provenance
diff --git a/.mise/tasks/release b/.mise/tasks/release
new file mode 100755
index 0000000..d808abe
--- /dev/null
+++ b/.mise/tasks/release
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+#MISE description="Create the semantic GitHub release for the already-validated main commit."
+set -euo pipefail
+
+npx --yes \
+  --package=semantic-release@25.0.8 \
+  --package=conventional-changelog-conventionalcommits@9.3.1 \
+  semantic-release