AI agents call meshes_list_connections to retrieve information from Mesheshq without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is fundamentally a Read operation—it queries and returns existing data without modifying it. However, severity is elevated to 'high' rather than 'low' because the returned data includes credentials and configuration for third-party integrations (HubSpot, Salesforce, Resend, webhooks).
From the tool's definition Tool name 'meshes_list_connections' and description 'List all connections across the organization' indicate a retrieval operation.
Attacks that exploit this kind of access
List all connections across the organization. Connections are configured destinations (HubSpot, Salesforce, Resend, webhooks, etc.) holding credentials and config. It is categorised as a Read tool in the Mesheshq MCP Server, which means it retrieves data without modifying state.
Register the Mesheshq MCP server in PolicyLayer and add a rule for meshes_list_connections: 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 Mesheshq. Nothing to install.
meshes_list_connections is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the meshes_list_connections 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 meshes_list_connections. 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.
meshes_list_connections is provided by the Mesheshq MCP server (mesheshq/meshes-mcp-server). 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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