diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index 16babab1c9a..58c96a86e5b 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -14,10 +14,6 @@ inputs:
     description: Node version to install. Empty keeps the runner's preinstalled Node, for jobs that only ever ran Bun.
     required: false
     default: '24'
-  registry-url:
-    description: npm registry to write an .npmrc for, so `npm publish` reads NODE_AUTH_TOKEN. Empty writes none.
-    required: false
-    default: ''
 
 # Sticky disk keys are scoped by event name, and fork PRs get their own namespace on
 # top: untrusted fork runs must never share a cache with push runs (whose caches
@@ -43,7 +39,6 @@ runs:
       uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v6
       with:
         node-version: ${{ inputs.node-version }}
-        registry-url: ${{ inputs.registry-url }}
 
     - name: Mount Bun cache
       if: inputs.provider == '' || inputs.provider == 'blacksmith'
diff --git a/.github/workflows/publish-cli.yml b/.github/workflows/publish-cli.yml
index a6696c27926..5eef3cc7e1a 100644
--- a/.github/workflows/publish-cli.yml
+++ b/.github/workflows/publish-cli.yml
@@ -15,10 +15,13 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-  publish:
-    name: publish
+  build:
+    name: build
     runs-on: ${{ (vars.CI_PROVIDER == '' || vars.CI_PROVIDER == 'blacksmith') && 'blacksmith-4vcpu-ubuntu-2404' || 'ubuntu-latest' }}
     timeout-minutes: 15
+    outputs:
+      version: ${{ steps.package_version.outputs.version }}
+      exists: ${{ steps.version_check.outputs.exists }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
@@ -30,7 +33,6 @@ jobs:
         with:
           provider: ${{ vars.CI_PROVIDER }}
           node-version: '22'
-          registry-url: https://registry.npmjs.org/
 
       - name: Build package
         working-directory: packages/cli
@@ -39,7 +41,7 @@ jobs:
       - name: Get package version
         id: package_version
         working-directory: packages/cli
-        run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
+        run: echo "version=$(node -p "require('./package.json').version")" >> "$GITHUB_OUTPUT"
 
       - name: Check if version already exists
         id: version_check
@@ -47,20 +49,59 @@ jobs:
           VERSION: ${{ steps.package_version.outputs.version }}
         run: |
           if npm view "simstudio@$VERSION" version &> /dev/null; then
-            echo "exists=true" >> $GITHUB_OUTPUT
+            echo "exists=true" >> "$GITHUB_OUTPUT"
           else
-            echo "exists=false" >> $GITHUB_OUTPUT
+            echo "exists=false" >> "$GITHUB_OUTPUT"
           fi
 
-      - name: Publish to npm
+      # Bun packs because it rewrites `workspace:` ranges to real versions,
+      # which `npm pack` would publish verbatim.
+      - name: Pack package
         if: steps.version_check.outputs.exists == 'false'
         working-directory: packages/cli
-        run: npm publish --access=public
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: bun pm pack --ignore-scripts --filename "$RUNNER_TEMP/package.tgz" --quiet
+
+      - name: Upload package
+        if: steps.version_check.outputs.exists == 'false'
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}/package.tgz
+          if-no-files-found: error
+          retention-days: 1
 
       - name: Log skipped publish
         if: steps.version_check.outputs.exists == 'true'
         env:
           VERSION: ${{ steps.package_version.outputs.version }}
-        run: echo "Skipped publishing because version $VERSION already exists on npm" 
\ No newline at end of file
+        run: echo "Skipped publishing because version $VERSION already exists on npm"
+
+  # npm trusted publishing trades this job's OIDC token for a short-lived npm
+  # credential, so no npm token is stored anywhere. npm accepts the token only
+  # from GitHub-hosted runners, and only this job can mint one: it runs no
+  # repository code, it publishes the tarball the build job packed. npm runs no
+  # lifecycle scripts for a tarball, so nothing is rebuilt here, and provenance
+  # is attached automatically.
+  publish:
+    name: publish
+    needs: build
+    if: needs.build.outputs.exists == 'false'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      id-token: write
+    steps:
+      # Node 24 bundles npm 11.5.1+, which trusted publishing requires.
+      - name: Setup Node
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v6
+        with:
+          node-version: '24'
+
+      - name: Download package
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}
+
+      - name: Publish to npm
+        run: npm publish "$RUNNER_TEMP/package.tgz" --access public
diff --git a/.github/workflows/publish-sim-cli.yml b/.github/workflows/publish-sim-cli.yml
index 591748b1606..2d87aa6bd92 100644
--- a/.github/workflows/publish-sim-cli.yml
+++ b/.github/workflows/publish-sim-cli.yml
@@ -19,10 +19,13 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-  publish:
-    name: publish
+  build:
+    name: build
     runs-on: ${{ (vars.CI_PROVIDER == '' || vars.CI_PROVIDER == 'blacksmith') && 'blacksmith-4vcpu-ubuntu-2404' || 'ubuntu-latest' }}
     timeout-minutes: 15
+    outputs:
+      version: ${{ steps.release.outputs.version }}
+      tag: ${{ steps.release.outputs.tag }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
@@ -37,11 +40,6 @@ jobs:
           provider: ${{ vars.CI_PROVIDER }}
           node-version: '22'
 
-      - name: Verify npm authentication
-        env:
-          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
-        run: bun pm whoami
-
       - name: Auto-bump package version
         run: bun run bump:npm-packages sim-cli
 
@@ -54,9 +52,10 @@ jobs:
         run: bun run type-check
 
       # The usage-reporting destination is baked into the bundle at build time
-      # (docs/cli/usage-data), so only the two steps that build it get the
-      # token. Every other step, the tests above in particular, runs without
-      # it: a test that runs a real command must never report to production.
+      # (docs/cli/usage-data), so only this step gets the token, and the
+      # tarball packed from its output is what ships. Every other step, the
+      # tests above in particular, runs without it: a test that runs a real
+      # command must never report to production.
       - name: Build package
         working-directory: packages/sim-cli
         env:
@@ -107,23 +106,28 @@ jobs:
             echo "tag=$TAG"
           } >> "$GITHUB_OUTPUT"
 
+      # Bun packs because it rewrites `workspace:` ranges to real versions,
+      # which `npm pack` would publish verbatim. The smoke test below and the
+      # publish job both use this one tarball, so what was tested is what ships.
+      - name: Pack package
+        working-directory: packages/sim-cli
+        run: bun pm pack --ignore-scripts --filename "$RUNNER_TEMP/package.tgz" --quiet
+
       - name: Setup Node 20 for the bundle smoke test
         uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v6
         with:
           node-version: '20'
 
       - name: Smoke-test packed Node bundle
-        working-directory: packages/sim-cli
+        env:
+          VERSION: ${{ steps.release.outputs.version }}
         run: |
           set -euo pipefail
           SMOKE_DIR="$(mktemp -d "$RUNNER_TEMP/sim-cli-smoke.XXXXXX")"
-          PACKAGE_PATH="$SMOKE_DIR/sim-cli.tgz"
-          bun pm pack --ignore-scripts --filename "$PACKAGE_PATH" --quiet
-          tar -xzf "$PACKAGE_PATH" -C "$SMOKE_DIR"
-          "$SMOKE_DIR/package/dist/index.js" --version
+          tar -xzf "$RUNNER_TEMP/package.tgz" -C "$SMOKE_DIR"
+          test "$("$SMOKE_DIR/package/dist/index.js" --version)" = "$VERSION"
 
       - name: Verify version is unpublished
-        working-directory: packages/sim-cli
         env:
           VERSION: ${{ steps.release.outputs.version }}
         run: |
@@ -132,19 +136,47 @@ jobs:
             exit 1
           fi
 
-      # `bun publish` runs `prepublishOnly`, which rebuilds `dist`, and that
-      # rebuild is what ships, so it needs the token as well.
+      - name: Upload package
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}/package.tgz
+          if-no-files-found: error
+          retention-days: 1
+
+  # npm trusted publishing trades this job's OIDC token for a short-lived npm
+  # credential, so no npm token is stored anywhere. npm accepts the token only
+  # from GitHub-hosted runners, and only this job can mint one: it runs no
+  # repository code, it publishes the tarball the build job tested. npm runs no
+  # lifecycle scripts for a tarball, so nothing is rebuilt here, and provenance
+  # is attached automatically.
+  publish:
+    name: publish
+    needs: build
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      id-token: write
+    steps:
+      # Node 24 bundles npm 11.5.1+, which trusted publishing requires.
+      - name: Setup Node
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v6
+        with:
+          node-version: '24'
+
+      - name: Download package
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}
+
       - name: Publish to npm
-        working-directory: packages/sim-cli
         env:
-          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
-          NPM_TAG: ${{ steps.release.outputs.tag }}
-          SIM_CLI_TELEMETRY_KEY: ${{ vars.SIM_CLI_TELEMETRY_KEY }}
-          SIM_CLI_TELEMETRY_HOST: ${{ vars.SIM_CLI_TELEMETRY_HOST }}
-        run: bun publish --access public --tag "$NPM_TAG" --no-save
+          NPM_TAG: ${{ needs.build.outputs.tag }}
+        run: npm publish "$RUNNER_TEMP/package.tgz" --access public --tag "$NPM_TAG"
 
       - name: Summarize release
         env:
-          VERSION: ${{ steps.release.outputs.version }}
-          NPM_TAG: ${{ steps.release.outputs.tag }}
+          VERSION: ${{ needs.build.outputs.version }}
+          NPM_TAG: ${{ needs.build.outputs.tag }}
         run: echo "Published sim@$VERSION with the '$NPM_TAG' tag."
diff --git a/.github/workflows/publish-sim-setup.yml b/.github/workflows/publish-sim-setup.yml
index 2bcedc4b5db..3356f40ed9f 100644
--- a/.github/workflows/publish-sim-setup.yml
+++ b/.github/workflows/publish-sim-setup.yml
@@ -10,6 +10,8 @@ on:
       - 'packages/utils/**'
       - 'docker-compose.prod.yml'
       - 'bun.lock'
+      # A change to how the package is built or published has to republish it.
+      - '.github/workflows/publish-sim-setup.yml'
 
 permissions:
   contents: read
@@ -19,10 +21,13 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-  publish:
-    name: publish
+  build:
+    name: build
     runs-on: ${{ (vars.CI_PROVIDER == '' || vars.CI_PROVIDER == 'blacksmith') && 'blacksmith-4vcpu-ubuntu-2404' || 'ubuntu-latest' }}
     timeout-minutes: 15
+    outputs:
+      version: ${{ steps.release.outputs.version }}
+      tag: ${{ steps.release.outputs.tag }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
@@ -37,11 +42,6 @@ jobs:
           provider: ${{ vars.CI_PROVIDER }}
           node-version: '22'
 
-      - name: Verify npm authentication
-        env:
-          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
-        run: bun pm whoami
-
       - name: Auto-bump package version
         run: bun run bump:npm-packages sim-setup
 
@@ -104,21 +104,27 @@ jobs:
             echo "tag=$TAG"
           } >> "$GITHUB_OUTPUT"
 
+      # Bun packs because it rewrites `workspace:` ranges to real versions,
+      # which `npm pack` would publish verbatim. The smoke test below and the
+      # publish job both use this one tarball, so what was tested is what ships.
+      - name: Pack package
+        working-directory: packages/sim-setup
+        run: bun pm pack --ignore-scripts --filename "$RUNNER_TEMP/package.tgz" --quiet
+
       - name: Setup Node 20 for the bundle smoke test
         uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v6
         with:
           node-version: '20'
 
       - name: Smoke-test packed Node bundle
-        working-directory: packages/sim-setup
+        env:
+          VERSION: ${{ steps.release.outputs.version }}
         run: |
           set -euo pipefail
           SMOKE_DIR="$(mktemp -d "$RUNNER_TEMP/sim-setup-smoke.XXXXXX")"
-          PACKAGE_PATH="$SMOKE_DIR/sim-setup.tgz"
-          bun pm pack --ignore-scripts --filename "$PACKAGE_PATH" --quiet
-          tar -xzf "$PACKAGE_PATH" -C "$SMOKE_DIR"
+          tar -xzf "$RUNNER_TEMP/package.tgz" -C "$SMOKE_DIR"
 
-          if tar -tzf "$PACKAGE_PATH" | grep -Eq '^package/(apps|docker|helm|packages|scripts)/'; then
+          if tar -tzf "$RUNNER_TEMP/package.tgz" | grep -Eq '^package/(apps|docker|helm|packages|scripts)/'; then
             echo 'Packed setup package contains repository source directories.' >&2
             exit 1
           fi
@@ -130,7 +136,7 @@ jobs:
           fi
 
           cd "$SMOKE_DIR"
-          node package/dist/index.js --version
+          test "$(node package/dist/index.js --version)" = "$VERSION"
           node package/dist/index.js --help
           for command in config add doctor start stop restart update status logs down reset; do
             node package/dist/index.js "$command" --help > /dev/null
@@ -146,7 +152,6 @@ jobs:
           fi
 
       - name: Verify version is unpublished
-        working-directory: packages/sim-setup
         env:
           VERSION: ${{ steps.release.outputs.version }}
         run: |
@@ -155,15 +160,47 @@ jobs:
             exit 1
           fi
 
+      - name: Upload package
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}/package.tgz
+          if-no-files-found: error
+          retention-days: 1
+
+  # npm trusted publishing trades this job's OIDC token for a short-lived npm
+  # credential, so no npm token is stored anywhere. npm accepts the token only
+  # from GitHub-hosted runners, and only this job can mint one: it runs no
+  # repository code, it publishes the tarball the build job tested. npm runs no
+  # lifecycle scripts for a tarball, so nothing is rebuilt here, and provenance
+  # is attached automatically.
+  publish:
+    name: publish
+    needs: build
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      id-token: write
+    steps:
+      # Node 24 bundles npm 11.5.1+, which trusted publishing requires.
+      - name: Setup Node
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v6
+        with:
+          node-version: '24'
+
+      - name: Download package
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}
+
       - name: Publish to npm
-        working-directory: packages/sim-setup
         env:
-          NPM_CONFIG_TOKEN: ${{ secrets.NPM_TOKEN }}
-          NPM_TAG: ${{ steps.release.outputs.tag }}
-        run: bun publish --access public --tag "$NPM_TAG" --no-save
+          NPM_TAG: ${{ needs.build.outputs.tag }}
+        run: npm publish "$RUNNER_TEMP/package.tgz" --access public --tag "$NPM_TAG"
 
       - name: Summarize release
         env:
-          VERSION: ${{ steps.release.outputs.version }}
-          NPM_TAG: ${{ steps.release.outputs.tag }}
+          VERSION: ${{ needs.build.outputs.version }}
+          NPM_TAG: ${{ needs.build.outputs.tag }}
         run: echo "Published sim-setup@$VERSION with the '$NPM_TAG' tag."
diff --git a/.github/workflows/publish-ts-sdk.yml b/.github/workflows/publish-ts-sdk.yml
index 1c5e7e35e40..8a3c9c15b5e 100644
--- a/.github/workflows/publish-ts-sdk.yml
+++ b/.github/workflows/publish-ts-sdk.yml
@@ -7,7 +7,7 @@ on:
       - 'packages/ts-sdk/**'
 
 permissions:
-  contents: write
+  contents: read
 
 # A newer push waits for the running publish rather than racing its version check.
 concurrency:
@@ -15,10 +15,13 @@ concurrency:
   cancel-in-progress: false
 
 jobs:
-  publish:
-    name: publish
+  build:
+    name: build
     runs-on: ${{ (vars.CI_PROVIDER == '' || vars.CI_PROVIDER == 'blacksmith') && 'blacksmith-4vcpu-ubuntu-2404' || 'ubuntu-latest' }}
     timeout-minutes: 15
+    outputs:
+      version: ${{ steps.package_version.outputs.version }}
+      exists: ${{ steps.version_check.outputs.exists }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v6
@@ -30,7 +33,6 @@ jobs:
         with:
           provider: ${{ vars.CI_PROVIDER }}
           node-version: '22'
-          registry-url: https://registry.npmjs.org/
 
       - name: Run tests
         working-directory: packages/ts-sdk
@@ -43,7 +45,7 @@ jobs:
       - name: Get package version
         id: package_version
         working-directory: packages/ts-sdk
-        run: echo "version=$(node -p "require('./package.json').version")" >> $GITHUB_OUTPUT
+        run: echo "version=$(node -p "require('./package.json').version")" >> "$GITHUB_OUTPUT"
 
       - name: Check if version already exists
         id: version_check
@@ -51,17 +53,26 @@ jobs:
           VERSION: ${{ steps.package_version.outputs.version }}
         run: |
           if npm view "simstudio-ts-sdk@$VERSION" version &> /dev/null; then
-            echo "exists=true" >> $GITHUB_OUTPUT
+            echo "exists=true" >> "$GITHUB_OUTPUT"
           else
-            echo "exists=false" >> $GITHUB_OUTPUT
+            echo "exists=false" >> "$GITHUB_OUTPUT"
           fi
 
-      - name: Publish to npm
+      # Bun packs because it rewrites `workspace:` ranges to real versions,
+      # which `npm pack` would publish verbatim.
+      - name: Pack package
         if: steps.version_check.outputs.exists == 'false'
         working-directory: packages/ts-sdk
-        run: npm publish --access=public
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: bun pm pack --ignore-scripts --filename "$RUNNER_TEMP/package.tgz" --quiet
+
+      - name: Upload package
+        if: steps.version_check.outputs.exists == 'false'
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}/package.tgz
+          if-no-files-found: error
+          retention-days: 1
 
       - name: Log skipped publish
         if: steps.version_check.outputs.exists == 'true'
@@ -69,25 +80,62 @@ jobs:
           VERSION: ${{ steps.package_version.outputs.version }}
         run: echo "Skipped publishing because version $VERSION already exists on npm"
 
+  # npm trusted publishing trades this job's OIDC token for a short-lived npm
+  # credential, so no npm token is stored anywhere. npm accepts the token only
+  # from GitHub-hosted runners, and only this job can mint one: it runs no
+  # repository code, it publishes the tarball the build job tested. npm runs no
+  # lifecycle scripts for a tarball, so nothing is rebuilt here, and provenance
+  # is attached automatically.
+  publish:
+    name: publish
+    needs: build
+    if: needs.build.outputs.exists == 'false'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      id-token: write
+    steps:
+      # Node 24 bundles npm 11.5.1+, which trusted publishing requires.
+      - name: Setup Node
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v6
+        with:
+          node-version: '24'
+
+      - name: Download package
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
+        with:
+          name: package
+          path: ${{ runner.temp }}
+
+      - name: Publish to npm
+        run: npm publish "$RUNNER_TEMP/package.tgz" --access public
+
+  release:
+    name: release
+    needs: [build, publish]
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    permissions:
+      contents: write
+    steps:
       - name: Create GitHub Release
-        if: steps.version_check.outputs.exists == 'false'
         uses: softprops/action-gh-release@efb35369e0ad2afab669f228072c1b0d510eae64 # v3.0.3
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          tag_name: typescript-sdk-v${{ steps.package_version.outputs.version }}
-          name: TypeScript SDK v${{ steps.package_version.outputs.version }}
+          tag_name: typescript-sdk-v${{ needs.build.outputs.version }}
+          name: TypeScript SDK v${{ needs.build.outputs.version }}
           body: |
-            ## TypeScript SDK v${{ steps.package_version.outputs.version }}
-            
-            Published simstudio-ts-sdk@${{ steps.package_version.outputs.version }} to npm.
-            
+            ## TypeScript SDK v${{ needs.build.outputs.version }}
+
+            Published simstudio-ts-sdk@${{ needs.build.outputs.version }} to npm.
+
             ### Installation
             ```bash
-            npm install simstudio-ts-sdk@${{ steps.package_version.outputs.version }}
+            npm install simstudio-ts-sdk@${{ needs.build.outputs.version }}
             ```
-            
+
             ### Documentation
             See the [README](https://github.com/simstudioai/sim/tree/main/packages/ts-sdk) or the [docs](https://docs.sim.ai/sdks/typescript) for more information.
           draft: false
-          prerelease: false 
\ No newline at end of file
+          prerelease: false
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 34e245b7b1d..3975d34a98c 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -35,6 +35,11 @@
   ],
   "author": "Sim",
   "license": "Apache-2.0",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/simstudioai/sim.git",
+    "directory": "packages/cli"
+  },
   "engines": {
     "node": ">=18"
   },