descubrir_tablas
AI agents call descubrir_tablas to retrieve information from Pagila MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The name 'descubrir_tablas' translates to 'discover tables' in Spanish, strongly suggesting it lists or retrieves database table metadata. The server is explicitly described as read-only. Description is empty, which lowers confidence slightly, but the naming convention and server context strongly support a Read classification with low severity.
From the tool's definition Tool name 'descubrir_tablas' (discover/list tables) on a self-described read-only MCP server for querying a PostgreSQL database.
Attacks that exploit this kind of access
descubrir_tablas. It is categorised as a Read tool in the Pagila MCP MCP Server, which means it retrieves data without modifying state.
Register the Pagila MCP server in PolicyLayer and add a rule for descubrir_tablas: 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 Pagila MCP. Nothing to install.
descubrir_tablas 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 descubrir_tablas 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 descubrir_tablas. 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.
descubrir_tablas is provided by the Pagila MCP server (lyrken/pagila_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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