Lista todas las empresas registradas en la API
AI agents call listar-empresas to retrieve information from MCP API Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns existing company data without modifying, deleting, or executing any operations. It is a straightforward read operation that retrieves information. The low severity reflects minimal risk—unauthorized listing may expose company names but does not enable modification, deletion, or financial transactions.
From the tool's definition Tool name 'listar-empresas' (list companies) and description 'Lista todas las empresas registradas en la API' (Lists all registered companies in the API) indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Lista todas las empresas registradas en la API. It is categorised as a Read tool in the MCP API Server MCP Server, which means it retrieves data without modifying state.
Register the MCP API Server MCP server in PolicyLayer and add a rule for listar-empresas: 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 MCP API Server. Nothing to install.
listar-empresas 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 listar-empresas 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 listar-empresas. 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.
listar-empresas is provided by the MCP API Server MCP server (mcgiverdev/mcp-api-v1). 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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