List all boards in the currently selected workspace.
AI agents call list_boards_for_selected to retrieve information from Mcp Trello without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays existing board information from a Trello workspace without creating, modifying, deleting, or executing any operations. It is a pure read operation with minimal security risk even if misused by an AI agent.
From the tool's definition Tool name contains 'list' and description states 'List all boards in the currently selected workspace' - a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
List all boards in the currently selected workspace. It is categorised as a Read tool in the Mcp Trello MCP Server, which means it retrieves data without modifying state.
Register the Mcp Trello MCP server in PolicyLayer and add a rule for list_boards_for_selected: 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 Trello. Nothing to install.
list_boards_for_selected 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_boards_for_selected 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_boards_for_selected. 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_boards_for_selected is provided by the Mcp Trello MCP server (mbeauv/mcp-trello). 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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