List Brighty cards (virtual / plastic / metal) for the authenticated business. Returns each card
AI agents call brighty_list_cards to retrieve information from Brighty 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 card information without creating, modifying, or deleting data, placing it in the Read category. While it is fundamentally a read operation, the sensitivity of financial/banking data (card details, numbers, status) that could be exposed means misuse by an AI agent could enable fraud or unauthorized access, warranting medium severity rather than low.
From the tool's definition Tool name 'brighty_list_cards' and description 'List Brighty cards...Returns each card' indicate data retrieval with no modification. However, the sensitive nature of card data in a banking context elevates severity.
Attacks that exploit this kind of access
List Brighty cards (virtual / plastic / metal) for the authenticated business. Returns each card. It is categorised as a Read tool in the Brighty MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Brighty MCP Server MCP server in PolicyLayer and add a rule for brighty_list_cards: 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 Brighty MCP Server. Nothing to install.
brighty_list_cards 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 brighty_list_cards 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 brighty_list_cards. 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.
brighty_list_cards is provided by the Brighty MCP Server MCP server (razz-team/brighty-agent-toolkit). 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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