AI agents call board_list_tasks to retrieve information from Agent Board without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves or queries task data from the board system. The verb 'list' combined with 'optional filters' confirms it is a read-only operation that returns information without side effects. No data is created, modified, deleted, or executed. This is consistent with the Read category for tools that retrieve or query data with no side effects.
From the tool's definition Tool name 'board_list_tasks' and description 'List tasks with optional filters' indicate a query/retrieval operation with no modification or execution of external operations.
Documented attack patterns abuse exactly the kind of access board_list_tasks gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Agent Board, and nothing reaches the server without passing your rules. This is the rule we recommend for board_list_tasks:
{
"version": "1",
"default": "deny",
"tools": {
"board_list_tasks": {}
}
}board_list_tasks is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List tasks with optional filters. It is categorised as a Read tool in the Agent Board MCP Server, which means it retrieves data without modifying state.
Register the Agent Board MCP server in PolicyLayer and add a rule for board_list_tasks: 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 Agent Board. Nothing to install.
board_list_tasks 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 board_list_tasks 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 board_list_tasks. 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.
board_list_tasks is provided by the Agent Board MCP server (quentintou/agent-board). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Agent Board, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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14 Agent Board tools catalogued and risk-classified — across an index of 43,000+ MCP servers.