Get schema information for a Business Central resource.
AI agents call BC_Get_Schema to retrieve information from Business Central 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 schema information only, which is a non-destructive query operation. It has no side effects and does not create, modify, delete, or execute operations. The low severity reflects minimal risk: schema disclosure could inform an attacker about resource structure, but this information is typically needed for legitimate tool use and does not directly compromise data confidentiality or integrity.
From the tool's definition Tool name 'BC_Get_Schema' and description 'Get schema information for a Business Central resource' indicate a read-only operation that retrieves metadata without modifying data.
Attacks that exploit this kind of access
Get schema information for a Business Central resource. It is categorised as a Read tool in the Business Central MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Business Central MCP Server MCP server in PolicyLayer and add a rule for BC_Get_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 Business Central MCP Server. Nothing to install.
BC_Get_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 BC_Get_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 BC_Get_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.
BC_Get_Schema is provided by the Business Central MCP Server MCP server (luismdev/mcp-business-central-server). 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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