Get the structure/index of a law showing all its blocks (articles, dispositions, annexes). Use this to discover block IDs before fetching specific blocks.
AI agents call get_legislation_structure to retrieve information from Spanish Public Data MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries the structural metadata of legislative documents. It performs no side effects, creates no data, executes no code, and makes no irreversible changes. The purpose is informational discovery only, making it a straightforward Read operation with low risk.
From the tool's definition The tool description states it 'Get[s] the structure/index of a law' and is used to 'discover block IDs before fetching specific blocks.' This is explicitly a retrieval operation with no modification or execution of external commands.
Attacks that exploit this kind of access
Get the structure/index of a law showing all its blocks (articles, dispositions, annexes). Use this to discover block IDs before fetching specific blocks. It is categorised as a Read tool in the Spanish Public Data MCP MCP Server, which means it retrieves data without modifying state.
Register the Spanish Public Data MCP server in PolicyLayer and add a rule for get_legislation_structure: 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 Spanish Public Data MCP. Nothing to install.
get_legislation_structure 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_legislation_structure 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_legislation_structure. 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_legislation_structure is provided by the Spanish Public Data MCP server (mjgmario/spanish-public-info-radar-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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