Get list of accounting journals (comprobantes contables) from Siigo
AI agents call siigo_get_journals 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 accounting journal entries from the Siigo accounting system. It performs a query operation with no capacity to create, modify, delete, or execute actions. The blast radius of misuse is minimal—an agent could only retrieve financial data, which is a Read-category risk.
From the tool's definition Tool name 'siigo_get_journals' and description 'Get list of accounting journals' indicate a retrieval operation with no side effects. The verb 'Get list' is a classic read operation that queries data without modification.
Attacks that exploit this kind of access
Get list of accounting journals (comprobantes contables) from Siigo. 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_journals: 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_journals 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_journals 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_journals. 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_journals 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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