List workspaces the organization has access to (multi-tenant subaccounts)
AI agents call list_workspaces to retrieve information from Mcp Ap2 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves/queries a list of workspace objects accessible to an organization. It has no side effects, does not execute code, does not modify data, and does not create financial obligations. The operation is purely informational, making it a Read category tool with low severity since workspace listing is generally non-sensitive metadata retrieval.
From the tool's definition Tool name 'list_workspaces' and description 'List workspaces the organization has access to' indicate a read-only retrieval operation with no modification or execution.
Documented attack patterns abuse exactly the kind of access list_workspaces gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for list_workspaces:
{
"version": "1",
"default": "deny",
"tools": {
"list_workspaces": {}
}
}list_workspaces is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List workspaces the organization has access to (multi-tenant subaccounts). It is categorised as a Read tool in the Mcp Ap2 MCP Server, which means it retrieves data without modifying state.
Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for list_workspaces: 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 Ap2. Nothing to install.
list_workspaces 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 list_workspaces 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 list_workspaces. 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.
list_workspaces is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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1300 Mcp Ap2 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.