diff --git a/.gitea/workflows/agent.yml b/.gitea/workflows/agent.yml
index 0622d03..62c7845 100644
--- a/.gitea/workflows/agent.yml
+++ b/.gitea/workflows/agent.yml
@@ -5,6 +5,10 @@ name: agent
 on:
   workflow_call:
 
+# Pinned opencode version — used both to install it and to key the CI cache below.
+env:
+  OPENCODE_VERSION: "1.17.13"
+
 jobs:
 
   agent:
@@ -121,6 +125,24 @@ jobs:
           curl -sS -X POST -H "Authorization: token $SELF_TOKEN" -H "Content-Type: application/json" \
             "$R" -d '{"content":"eyes"}' -w '\nreact -> HTTP %{http_code}\n' || true
 
+      - name: Cache opencode CLI
+        if: steps.prep.outputs.mode != 'skip'
+        continue-on-error: true   # a cache backend hiccup must never fail an agent run
+        uses: actions/cache@v4
+        with:
+          path: ~/.opencode
+          key: opencode-${{ runner.os }}-${{ env.OPENCODE_VERSION }}
+
+      - name: Cache Playwright browsers + npm (browser agents only)
+        if: steps.prep.outputs.mode != 'skip' && (steps.prep.outputs.name == 'senior' || steps.prep.outputs.name == 'lead' || steps.prep.outputs.name == 'qa')
+        continue-on-error: true
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/ms-playwright
+            ~/.npm
+          key: playwright-npm-${{ runner.os }}-v1
+
       - name: Install opencode + provider config (+ Playwright MCP for browser agents)
         if: steps.prep.outputs.mode != 'skip'
         env: