list_brands
AI agents call list_brands to retrieve information from Mattcoatsworth Canva without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool name 'list_brands' follows a standard read pattern (list/get operations). Although the description is empty, the naming convention and context from sibling Read tools strongly suggest this retrieves brand data without side effects. Confidence is slightly reduced due to missing documentation, but the pattern is clear enough to classify as Read with low severity.
From the tool's definition Tool name 'list_brands' indicates a retrieval operation. No description provided. Sibling tools on the same server (get_asset, get_brand, get_design, get_user, list_assets, list_designs, list_users) are all Read operations, suggesting consistent…
Attacks that exploit this kind of access
list_brands. It is categorised as a Read tool in the Mattcoatsworth Canva MCP Server, which means it retrieves data without modifying state.
Register the Mattcoatsworth Canva MCP server in PolicyLayer and add a rule for list_brands: 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 Mattcoatsworth Canva. Nothing to install.
list_brands 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_brands 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_brands. 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_brands is provided by the Mattcoatsworth Canva MCP server (@iflow-mcp/mattcoatsworth-canva-mcp-server). 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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