send_message_without_waiting
AI agents use send_message_without_waiting to create or update resources in MCP IDE Bridge — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP IDE Bridge environment.
Based on the tool name and server context (client-to-client communication between IDEs), this tool likely sends a message to another client without awaiting a response. This is a Write operation (creating/posting a message). Confidence is lowered due to the empty description. The server context of bidirectional messaging supports this interpretation.
From the tool's definition Tool name 'send_message_without_waiting' implies sending/writing a message; description is empty and uninformative.
Attacks that exploit this kind of access
send_message_without_waiting. It is categorised as a Write tool in the MCP IDE Bridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the MCP IDE Bridge MCP server in PolicyLayer and add a rule for send_message_without_waiting: 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 MCP IDE Bridge. Nothing to install.
send_message_without_waiting is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the send_message_without_waiting 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 send_message_without_waiting. 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.
send_message_without_waiting is provided by the MCP IDE Bridge MCP server (mvp2o-ai/mcp-ide-bridge). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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