Search or list user's custom foods Returns custom foods the user has created. Use the search parameter to find existing foods by name before creating duplicates — the response includes foodId and servingId needed for log_custom_food. Args: search: Search term to filter foods by name (default: lis...
AI agents call get_custom_foods to retrieve information from Garmin MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries data (custom foods created by the user) without any side effects. It supports search and pagination but does not create, modify, delete, or execute any operations. This is a straightforward read operation that fits the 'Read' category.
From the tool's definition Tool name is 'get_custom_foods' and description states it 'Search or list user's custom foods' and 'Returns custom foods the user has created.' The parameters (search, start, limit) are all query/filter parameters with no modification or deletion capability.
Documented attack patterns abuse exactly the kind of access get_custom_foods gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Garmin MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_custom_foods:
{
"version": "1",
"default": "deny",
"tools": {
"get_custom_foods": {}
}
}get_custom_foods is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Search or list user's custom foods Returns custom foods the user has created. Use the search parameter to find existing foods by name before creating duplicates — the response includes foodId and servingId needed for log_custom_food. Args: search: Search term to filter foods by name (default: list all) start: Starting index for pagination (default 0) limit: Maximum number of results (default 20). It is categorised as a Read tool in the Garmin MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Garmin MCP Server MCP server in PolicyLayer and add a rule for get_custom_foods: 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 Garmin MCP Server. Nothing to install.
get_custom_foods 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 get_custom_foods 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 get_custom_foods. 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.
get_custom_foods is provided by the Garmin MCP Server MCP server (taxuspt/garmin_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 126 Garmin MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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126 Garmin MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.