diff --git a/.github/workflows/large-payload-tester.lock.yml b/.github/workflows/large-payload-tester.lock.yml
index 02a3c6f..6d61b19 100644
--- a/.github/workflows/large-payload-tester.lock.yml
+++ b/.github/workflows/large-payload-tester.lock.yml
@@ -21,7 +21,7 @@
 #
 # Test the MCP Gateway's ability to handle large payloads and provide agent access to stored payload files
 #
-# frontmatter-hash: fa508aa64126acc64d01b27a60b22e5cae01819fe409b71943d2266c9b750d21
+# frontmatter-hash: 38286821e639ed281d9cf4725f8650a41b520538cf11ce37d5d2202f72421318
 
 name: "Large Payload Tester"
 "on":
@@ -401,7 +401,7 @@ jobs:
           # Register API key as secret to mask it from logs
           echo "::add-mask::${MCP_GATEWAY_API_KEY}"
           export GH_AW_ENGINE="copilot"
-          export MCP_GATEWAY_DOCKER_COMMAND='docker run -i --rm --network host -v /var/run/docker.sock:/var/run/docker.sock -e MCP_GATEWAY_PORT -e MCP_GATEWAY_DOMAIN -e MCP_GATEWAY_API_KEY -e DEBUG -e MCP_GATEWAY_LOG_DIR -e GH_AW_MCP_LOG_DIR -e GH_AW_SAFE_OUTPUTS -e GH_AW_SAFE_OUTPUTS_CONFIG_PATH -e GH_AW_SAFE_OUTPUTS_TOOLS_PATH -e GH_AW_ASSETS_BRANCH -e GH_AW_ASSETS_MAX_SIZE_KB -e GH_AW_ASSETS_ALLOWED_EXTS -e DEFAULT_BRANCH -e GITHUB_MCP_SERVER_TOKEN -e GITHUB_MCP_LOCKDOWN -e GITHUB_REPOSITORY -e GITHUB_SERVER_URL -e GITHUB_SHA -e GITHUB_WORKSPACE -e GITHUB_TOKEN -e GITHUB_RUN_ID -e GITHUB_RUN_NUMBER -e GITHUB_RUN_ATTEMPT -e GITHUB_JOB -e GITHUB_ACTION -e GITHUB_EVENT_NAME -e GITHUB_EVENT_PATH -e GITHUB_ACTOR -e GITHUB_ACTOR_ID -e GITHUB_TRIGGERING_ACTOR -e GITHUB_WORKFLOW -e GITHUB_WORKFLOW_REF -e GITHUB_WORKFLOW_SHA -e GITHUB_REF -e GITHUB_REF_NAME -e GITHUB_REF_TYPE -e GITHUB_HEAD_REF -e GITHUB_BASE_REF -e GH_AW_SAFE_OUTPUTS_PORT -e GH_AW_SAFE_OUTPUTS_API_KEY -v /tmp/jq-payloads:/tmp/jq-payloads:rw ghcr.io/github/gh-aw-mcpg:v0.0.99'
+          export MCP_GATEWAY_DOCKER_COMMAND='docker run -i --rm --network host -v /var/run/docker.sock:/var/run/docker.sock -e MCP_GATEWAY_PORT -e MCP_GATEWAY_DOMAIN -e MCP_GATEWAY_API_KEY -e DEBUG -e MCP_GATEWAY_LOG_DIR -e GH_AW_MCP_LOG_DIR -e GH_AW_SAFE_OUTPUTS -e GH_AW_SAFE_OUTPUTS_CONFIG_PATH -e GH_AW_SAFE_OUTPUTS_TOOLS_PATH -e GH_AW_ASSETS_BRANCH -e GH_AW_ASSETS_MAX_SIZE_KB -e GH_AW_ASSETS_ALLOWED_EXTS -e DEFAULT_BRANCH -e GITHUB_MCP_SERVER_TOKEN -e GITHUB_MCP_LOCKDOWN -e GITHUB_REPOSITORY -e GITHUB_SERVER_URL -e GITHUB_SHA -e GITHUB_WORKSPACE -e GITHUB_TOKEN -e GITHUB_RUN_ID -e GITHUB_RUN_NUMBER -e GITHUB_RUN_ATTEMPT -e GITHUB_JOB -e GITHUB_ACTION -e GITHUB_EVENT_NAME -e GITHUB_EVENT_PATH -e GITHUB_ACTOR -e GITHUB_ACTOR_ID -e GITHUB_TRIGGERING_ACTOR -e GITHUB_WORKFLOW -e GITHUB_WORKFLOW_REF -e GITHUB_WORKFLOW_SHA -e GITHUB_REF -e GITHUB_REF_NAME -e GITHUB_REF_TYPE -e GITHUB_HEAD_REF -e GITHUB_BASE_REF -e GH_AW_SAFE_OUTPUTS_PORT -e GH_AW_SAFE_OUTPUTS_API_KEY -v /tmp/mcp-test-fs:/tmp/mcp-test-fs:ro -v /tmp/jq-payloads:/tmp/jq-payloads:rw ghcr.io/github/gh-aw-mcpg:v0.0.99'
           
           mkdir -p /home/runner/.copilot
           cat << MCPCONFIG_EOF | bash /opt/gh-aw/actions/start_mcp_gateway.sh
diff --git a/.github/workflows/large-payload-tester.md b/.github/workflows/large-payload-tester.md
index 31e611a..0b78e10 100644
--- a/.github/workflows/large-payload-tester.md
+++ b/.github/workflows/large-payload-tester.md
@@ -32,6 +32,7 @@ sandbox:
   mcp:
     container: "ghcr.io/github/gh-aw-mcpg"
     mounts:
+      - "/tmp/mcp-test-fs:/tmp/mcp-test-fs:ro"
       - "/tmp/jq-payloads:/tmp/jq-payloads:rw"
 
 safe-outputs: