List available FxKit NuGet packages with descriptions
AI agents call list_packages to retrieve information from FxKit 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 presents information about available NuGet packages. It performs a read-only query operation with no side effects, no code execution, and no data modification. The blast radius of misuse is minimal—an AI agent could only access informational content about packages. This clearly falls under the Read category.
From the tool's definition Tool name 'list_packages' and description 'List available FxKit NuGet packages with descriptions' indicate a retrieval operation that queries package metadata without modification or execution.
Attacks that exploit this kind of access
List available FxKit NuGet packages with descriptions. It is categorised as a Read tool in the FxKit MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FxKit MCP Server MCP server in PolicyLayer and add a rule for list_packages: 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 FxKit MCP Server. Nothing to install.
list_packages 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_packages 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_packages. 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_packages is provided by the FxKit MCP Server MCP server (taxfyle/fxkit-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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