Get document types catalog. Filter by type: FV (sales invoice), RC (cash receipt), NC (credit note), FC (purchase invoice), CC (journal), RP (payment receipt), C (quotation), DS (purchase support document).
AI agents call siigo_get_document_types to retrieve information from Siigo 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 a static catalog of document type definitions filtered by type codes. It performs no creation, modification, deletion, or execution of external operations—only data retrieval. The low severity reflects minimal risk even if misused by an agent, as it only returns reference metadata about document types without affecting any actual financial records or transactions.
From the tool's definition Tool name 'siigo_get_document_types' and description 'Get document types catalog' indicate a retrieval operation that returns reference data without modification or side effects.
Attacks that exploit this kind of access
Get document types catalog. Filter by type: FV (sales invoice), RC (cash receipt), NC (credit note), FC (purchase invoice), CC (journal), RP (payment receipt), C (quotation), DS (purchase support document). It is categorised as a Read tool in the Siigo MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Siigo MCP Server MCP server in PolicyLayer and add a rule for siigo_get_document_types: 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 Siigo MCP Server. Nothing to install.
siigo_get_document_types 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 siigo_get_document_types 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 siigo_get_document_types. 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.
siigo_get_document_types is provided by the Siigo MCP Server MCP server (jdlar1/siigo-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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