Devuelve la lista de herramientas MCP expuestas por el servidor.
AI agents call listtools to retrieve information from Business Central 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 metadata about available MCP tools. It performs a read-only query operation that returns information about the server's capabilities without creating, modifying, deleting, or executing any business operations. The blast radius is minimal—misuse would only expose information about available tools, not cause business harm.
From the tool's definition Tool name 'listtools' and description 'Devuelve la lista de herramientas MCP expuestas por el servidor' (Returns the list of MCP tools exposed by the server) indicates a query/retrieval operation with no side effects.
Attacks that exploit this kind of access
Devuelve la lista de herramientas MCP expuestas por el servidor. It is categorised as a Read tool in the Business Central MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Business Central MCP Server MCP server in PolicyLayer and add a rule for listtools: 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 Business Central MCP Server. Nothing to install.
listtools 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 listtools 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 listtools. 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.
listtools is provided by the Business Central MCP Server MCP server (javiarmesto/lab3_1_mcp_businesscentral). 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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