[FacturaHub] Get full details of a specific tax declaration.
AI agents call get_tax_declaration to retrieve information from FacturaHub 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 or queries tax declaration information without side effects. It matches the 'Read' category as it fetches data without creating, modifying, deleting, or executing operations. While tax declarations are sensitive business documents, the read-only nature and lack of financial transaction processing keeps severity at low.
From the tool's definition Tool name 'get_tax_declaration' and description 'Get full details of a specific tax declaration' indicate retrieval of existing tax declaration data with no modification or deletion capability.
Attacks that exploit this kind of access
[FacturaHub] Get full details of a specific tax declaration. It is categorised as a Read tool in the FacturaHub MCP Server MCP Server, which means it retrieves data without modifying state.
Register the FacturaHub MCP Server MCP server in PolicyLayer and add a rule for get_tax_declaration: 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 FacturaHub MCP Server. Nothing to install.
get_tax_declaration 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_tax_declaration 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_tax_declaration. 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_tax_declaration is provided by the FacturaHub MCP Server MCP server (santy1422/facturahub-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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