run_sync_bridge_flush
Open the outbound websocket bridge, pair or resume the local device, and flush pending approved operations to the paired web account.
This record as markdown: /tools/io-github-homenshum-nodebench/run-sync-bridge-flush.md
What run_sync_bridge_flush does on Nodebench
AI agents invoke run_sync_bridge_flush to trigger actions in Nodebench. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why run_sync_bridge_flush is rated High
This tool executes operations with external side effects (opening websocket bridges, pairing devices, flushing pending operations). The outcome depends on runtime state (what operations are pending), making it Execute rather than Write. The 'high' severity reflects potential for unintended device pairing, connection hijacking, or execution of queued operations an AI agent did not authorize.
From the tool's definition Tool description includes 'Open the outbound websocket bridge', 'pair or resume the local device', and 'flush pending approved operations' — these are external operations that establish connections, manage device state, and trigger queued actions whose…
Attacks that exploit this kind of access
The rule that runs run_sync_bridge_flush safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nodebench, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For run_sync_bridge_flush, this is the rule to start with:
run_sync_bridge_flush stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Nodebench, apply this rule, and every run_sync_bridge_flush call is checked against it from then on.
Questions about run_sync_bridge_flush
Open the outbound websocket bridge, pair or resume the local device, and flush pending approved operations to the paired web account. It is categorised as a Execute tool in the Nodebench MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Nodebench MCP server in PolicyLayer and add a rule for run_sync_bridge_flush: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Nodebench. Nothing to install.
run_sync_bridge_flush is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the run_sync_bridge_flush rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for run_sync_bridge_flush. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
run_sync_bridge_flush is provided by the Nodebench MCP server (nodebench-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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