Obtener el esquema completo de una base de datos registrada.
AI agents call get_registered_database_schema to retrieve information from MelviChat 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 database schema metadata—structure information about tables, columns, and relationships—without modifying or deleting any data. It is a read-only query operation typical of database introspection tools. The blast radius is limited to information disclosure of schema details, which is low severity in isolation (though it may inform further attacks).
From the tool's definition Tool name 'get_registered_database_schema' and description 'Obtener el esquema completo de una base de datos registrada' (Spanish: 'Get the complete schema of a registered database') indicate a retrieval operation with no data modification or side effects.
Attacks that exploit this kind of access
Obtener el esquema completo de una base de datos registrada. It is categorised as a Read tool in the MelviChat MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MelviChat MCP Server MCP server in PolicyLayer and add a rule for get_registered_database_schema: 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 MelviChat MCP Server. Nothing to install.
get_registered_database_schema 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 get_registered_database_schema 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 get_registered_database_schema. 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.
get_registered_database_schema is provided by the MelviChat MCP Server MCP server (melvi24/mcp-chat-ia). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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