diff --git a/.github/workflows/just-nut.yml b/.github/workflows/just-nut.yml
index 8cd69537..7a2b30ac 100644
--- a/.github/workflows/just-nut.yml
+++ b/.github/workflows/just-nut.yml
@@ -20,6 +20,11 @@ on:
         description: 'runs-on property, ex: ubuntu-latest, windows-latest'
         type: string
         default: 'ubuntu-latest'
+      jit:
+        required: false
+        description: 'install JIT plugin before running tests'
+        type: boolean
+        default: false
   workflow_call:
     inputs:
       channel-or-version:
@@ -40,12 +45,18 @@ on:
         description: 'runs-on property, ex: ubuntu-latest, windows-latest'
         type: string
         default: 'ubuntu-latest'
+      jit:
+        required: false
+        description: 'install JIT plugin before running tests'
+        type: boolean
+        default: false
 
 jobs:
   just-nut:
     name: ${{inputs.repository}}
     runs-on: ${{inputs.os}}
     env:
+      GITHUB_TOKEN: ${{ secrets.SVC_CLI_BOT_GITHUB_TOKEN }}
       TESTKIT_EXECUTABLE_PATH: sf
       TESTKIT_AUTH_URL: ${{ secrets.TESTKIT_AUTH_URL}}
       TESTKIT_HUB_USERNAME: ${{ secrets.TESTKIT_HUB_USERNAME}}
@@ -59,7 +70,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         with:
-          repository: ${{inputs.repository}}
+          repository: ${{ inputs.repository }}
           token: ${{ secrets.SVC_CLI_BOT_GITHUB_TOKEN }}
           path: .
       - uses: actions/setup-node@v3
@@ -74,6 +85,19 @@ jobs:
           command: npm install -g @salesforce/cli@${{ inputs.channel-or-version }} --omit=dev
           timeout_minutes: 60
       - uses: salesforcecli/github-workflows/.github/actions/yarnInstallWithRetries@main
+      # We set SF_DATA_DIR to ensure JIT plugins are only installed once
+      # Otherwise each TestSession reinstalls the JIT plugin in its custom HOME dir
+      - name: Set SF_DATA_DIR for JIT
+        if: ${{ inputs.jit }}
+        run: echo "SF_DATA_DIR=${{ runner.temp }}/sf-data-dir" >> "$GITHUB_ENV"
+      - name: Install JIT plugin
+        if: ${{ inputs.jit }}
+        # The --jit flag ensures we get the JIT plugin version set in the sf package.json
+        run: |
+          RAW_URL=$(gh browse package.json --repo "${{ inputs.repository }}" --no-browser | sed 's/github.com/raw.githubusercontent.com/' | sed 's/tree\/main/main/')
+          NPM_NAME=$(curl --silent "$RAW_URL" | jq -r '.name')
+          sf plugins install "$NPM_NAME" --jit
+          cat "${{ env.SF_DATA_DIR }}/package.json"
       - name: Run NUT (with retries)
         uses: nick-fields/retry@943e742917ac94714d2f408a0e8320f2d1fcafcd
         with:
diff --git a/.github/workflows/just-nuts.yml b/.github/workflows/just-nuts.yml
index 9e1ef7cf..52d0735e 100644
--- a/.github/workflows/just-nuts.yml
+++ b/.github/workflows/just-nuts.yml
@@ -24,16 +24,11 @@ jobs:
         os: [ubuntu-latest, windows-latest]
         repository:
           - salesforcecli/plugin-auth
-          - salesforcecli/plugin-community
-          - salesforcecli/plugin-custom-metadata
           - salesforcecli/plugin-data
-          - salesforcecli/plugin-dev
-          - salesforcecli/plugin-env
           - salesforcecli/plugin-limits
           - salesforcecli/plugin-org
           - salesforcecli/plugin-schema
           - salesforcecli/plugin-settings
-          - salesforcecli/plugin-signups
           - salesforcecli/plugin-sobject
           - salesforcecli/plugin-templates
           - salesforcecli/plugin-user
@@ -44,6 +39,30 @@ jobs:
       os: ${{matrix.os}}
     secrets: inherit
 
+  jit:
+    strategy:
+      fail-fast: false
+      max-parallel: 6
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+        repository:
+          - salesforcecli/plugin-custom-metadata
+          - salesforcecli/plugin-community
+          - salesforcecli/plugin-dev
+          - salesforcecli/plugin-signups
+          # - salesforce/plugin-devops-center
+          # - salesforcecli/plugin-env
+          # - salesforce/plugin-functions
+          # - salesforce/sfdx-plugin-lwc-test
+          # - salesforce/sfdx-scanner
+    uses: ./.github/workflows/just-nut.yml
+    with:
+      repository: ${{matrix.repository}}
+      channel-or-version: ${{ inputs.channel-or-version }}
+      os: ${{matrix.os}}
+      jit: true
+    secrets: inherit
+
   packaging:
     strategy:
       fail-fast: false
@@ -58,6 +77,7 @@ jobs:
       channel-or-version: ${{ inputs.channel-or-version }}
       os: ${{matrix.os}}
       command: ${{matrix.command}}
+      jit: true
     secrets: inherit
 
   source: