List all categories.
AI agents call mealie_categories_list to retrieve information from Mealie MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple query operation to retrieve category data from the Mealie system. It has no ability to modify, create, delete, or execute operations. The blast radius of misuse is minimal—an AI agent could at most enumerate all categories, which is read-only data retrieval. Low severity assigned because listing categories is a low-risk information query.
From the tool's definition Tool name 'mealie_categories_list' and description 'List all categories' indicate a retrieval operation with no side effects. Returns a list of existing recipe categories without modifying, creating, or deleting any data.
Attacks that exploit this kind of access
List all categories. It is categorised as a Read tool in the Mealie MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Mealie MCP Server MCP server in PolicyLayer and add a rule for mealie_categories_list: 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 Mealie MCP Server. Nothing to install.
mealie_categories_list 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 mealie_categories_list 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 mealie_categories_list. 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.
mealie_categories_list is provided by the Mealie MCP Server MCP server (mdlopresti/mealie-mcp). 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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