show_marketplace_card
AI agents call show_marketplace_card to retrieve information from FreeCAD MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on the name alone, this tool appears to retrieve and display marketplace card information without modifying data or triggering external operations. The lack of description reduces confidence, but there is no evidence of Write, Execute, Destructive, or Financial operations. Classified as Read with medium-low confidence due to insufficient documentation.
From the tool's definition Tool name 'show_marketplace_card' suggests displaying or retrieving marketplace information. The empty description prevents confirmation of exact functionality, but the name implies a read-only display operation.
Attacks that exploit this kind of access
show_marketplace_card. It is categorised as a Read tool in the FreeCAD MCP MCP Server, which means it retrieves data without modifying state.
Register the FreeCAD MCP server in PolicyLayer and add a rule for show_marketplace_card: 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 FreeCAD MCP. Nothing to install.
show_marketplace_card 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 show_marketplace_card 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 show_marketplace_card. 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.
show_marketplace_card is provided by the FreeCAD MCP server (sandraschi/freecad-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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