List all Miro boards accessible with the current token
AI agents call list_miro_boards to retrieve information from Learning Hour MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and displays information about accessible Miro boards. It performs no side effects, does not modify data, does not execute operations, and does not delete resources. The action is purely informational/read-only, consistent with the Read category definition.
From the tool's definition Tool name 'list_miro_boards' and description 'List all Miro boards accessible with the current token' indicate a retrieval operation that queries existing data without modification, creation, or deletion.
Documented attack patterns abuse exactly the kind of access list_miro_boards gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Learning Hour MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for list_miro_boards:
{
"version": "1",
"default": "deny",
"tools": {
"list_miro_boards": {}
}
}list_miro_boards is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all Miro boards accessible with the current token. It is categorised as a Read tool in the Learning Hour MCP MCP Server, which means it retrieves data without modifying state.
Register the Learning Hour MCP server in PolicyLayer and add a rule for list_miro_boards: 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 Learning Hour MCP. Nothing to install.
list_miro_boards 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_miro_boards 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_miro_boards. 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_miro_boards is provided by the Learning Hour MCP server (sdiamante13/learning-hour-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Learning Hour MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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8 Learning Hour MCP tools catalogued and risk-classified — across an index of 43,000+ MCP servers.