List Fizzy cards with optional filters. Use this to search and browse cards.
AI agents call fizzy_list_cards to retrieve information from Fizzy 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 or queries card data from a task management system. It performs only read operations—no data is created, modified, deleted, or executed. Misuse would permit an agent to view cards it shouldn't access, a low-severity information disclosure risk.
From the tool's definition Tool name is 'fizzy_list_cards' and description states 'List Fizzy cards with optional filters. Use this to search and browse cards.' The verbs 'list', 'search', and 'browse' indicate retrieval operations with no side effects.
Attacks that exploit this kind of access
List Fizzy cards with optional filters. Use this to search and browse cards. It is categorised as a Read tool in the Fizzy MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Fizzy MCP Server MCP server in PolicyLayer and add a rule for fizzy_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 Fizzy MCP Server. Nothing to install.
fizzy_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 fizzy_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 fizzy_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.
fizzy_list_cards is provided by the Fizzy MCP Server MCP server (ryanyogan/fizzy-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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