diff --git a/.github/workflows/gemini-cli-bot-brain.yml b/.github/workflows/gemini-cli-bot-brain.yml
index 88dddaf07d..c0ab904383 100644
--- a/.github/workflows/gemini-cli-bot-brain.yml
+++ b/.github/workflows/gemini-cli-bot-brain.yml
@@ -90,6 +90,15 @@ jobs:
           ENABLE_PRS: "${{ github.event.inputs.enable_prs || 'false' }}"
         run: 'node bundle/gemini.js --policy tools/gemini-cli-bot/ci-policy.toml tools/gemini-cli-bot/brain/metrics.md'
 
+      - name: 'Generate Patch'
+        if: "${{ github.event.inputs.enable_prs == 'true' }}"
+        run: |
+          git add .
+          git diff --staged > bot-changes.patch
+          # Ensure file exists even if empty so upload-artifact doesn't fail if we decide to upload it
+          touch bot-changes.patch
+          touch pr-description.md
+
       - name: 'Stash Brain Outputs'
         uses: 'actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02' # ratchet:actions/upload-artifact@v4
         with:
@@ -97,6 +106,8 @@ jobs:
           path: |
             tools/gemini-cli-bot/lessons-learned.md
             tools/gemini-cli-bot/reflexes/scripts/
+            bot-changes.patch
+            pr-description.md
           retention-days: 1
 
   publish:
@@ -104,16 +115,57 @@ jobs:
     needs: reasoning
     runs-on: 'ubuntu-latest'
     if: "github.repository == 'google-gemini/gemini-cli'"
-    # The publish phase is now just for archiving artifacts to preserve state.
+    # The publish phase is for archiving artifacts and optionally creating PRs.
     permissions:
+      contents: 'write'
+      pull-requests: 'write'
       actions: 'write'
     steps:
+      - name: 'Checkout'
+        uses: 'actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8' # ratchet:actions/checkout@v5
+        with:
+          fetch-depth: 0
+
       - name: 'Download Brain Outputs'
         uses: 'actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093' # ratchet:actions/download-artifact@v4
         with:
           name: 'brain-outputs'
           path: 'temp_outputs/'
 
+      - name: 'Create PR from Patch'
+        if: "${{ github.event.inputs.enable_prs == 'true' }}"
+        env:
+          GITHUB_TOKEN: '${{ secrets.GITHUB_TOKEN }}'
+        run: |
+          if [ -s temp_outputs/bot-changes.patch ]; then
+            git config user.name "github-actions[bot]"
+            git config user.email "github-actions[bot]@users.noreply.github.com"
+            
+            BRANCH_NAME="bot/productivity-updates-$(date +'%Y%m%d%H%M%S')"
+            git checkout -b "$BRANCH_NAME"
+            
+            git apply temp_outputs/bot-changes.patch
+            git add .
+            
+            if [ -s temp_outputs/pr-description.md ]; then
+              git commit -F temp_outputs/pr-description.md
+            else
+              git commit -m "🤖 Gemini Bot Productivity Optimizations"
+            fi
+            
+            git push origin "$BRANCH_NAME"
+            
+            PR_TITLE="🤖 Gemini Bot Productivity Optimizations"
+            if [ -s temp_outputs/pr-description.md ]; then
+              PR_TITLE=$(head -n 1 temp_outputs/pr-description.md)
+            fi
+            
+            gh pr create --draft --title "$PR_TITLE" --body-file temp_outputs/pr-description.md --head "$BRANCH_NAME" --base main || \
+            gh pr create --draft --title "🤖 Gemini Bot Productivity Optimizations" --body "Automated changes generated by Gemini CLI Bot." --head "$BRANCH_NAME" --base main
+          else
+            echo "No patch found or patch is empty. Skipping PR creation."
+          fi
+
       - name: 'Archive Lessons Learned'
         uses: 'actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02' # ratchet:actions/upload-artifact@v4
         with:
diff --git a/tools/gemini-cli-bot/brain/metrics.md b/tools/gemini-cli-bot/brain/metrics.md
index cb9e3b9e50..7cc176c58e 100644
--- a/tools/gemini-cli-bot/brain/metrics.md
+++ b/tools/gemini-cli-bot/brain/metrics.md
@@ -59,6 +59,15 @@ repository health.
   terminal escalations to prevent spam.
 - Recommend specific changes to GitHub Workflows, Triage scripts, or repository
   `CONTRIBUTING.md`/`GEMINI.md` guidelines.
+- **Pull Request Preparation**: If the `ENABLE_PRS` environment variable is
+  `true` and you are proposing script or configuration changes, you MUST
+  generate a file named `pr-description.md` in the root directory. This file
+  will be used as both the commit message and PR description. The file MUST
+  include:
+  1. What the change is.
+  2. Why it is recommended.
+  3. Which metric is expected to be improved.
+  4. By how much the metric is expected to improve.
 
 ### 7. Execution Constraints
 
diff --git a/tools/gemini-cli-bot/ci-policy.toml b/tools/gemini-cli-bot/ci-policy.toml
index e0a0fd133e..02efed993b 100644
--- a/tools/gemini-cli-bot/ci-policy.toml
+++ b/tools/gemini-cli-bot/ci-policy.toml
@@ -2,7 +2,7 @@
 # This policy guarantees permission for shell commands and file writing in the bot's CI environment.
 
 [[rule]]
-toolName = ["run_shell_command", "write_file"]
+toolName = ["run_shell_command", "write_file", "replace"]
 decision = "allow"
 # Max priority to ensure it overrides all default and workspace rules.
 priority = 999