Get items matching a field value.
AI agents call BC_Get_Items_By_Field 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 or queries items based on a field value with no side effects. It matches the Read category definition of 'retrieves or queries data; no side effects (search, list, get, fetch)'. The low severity reflects minimal blast radius—an AI misusing this would only over-fetch data, not modify or destroy anything.
From the tool's definition Tool name 'BC_Get_Items_By_Field' and description 'Get items matching a field value' indicate a query operation that retrieves data without modification. This is a standard read/search operation.
Attacks that exploit this kind of access
Get items matching a field value. 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_Items_By_Field: 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_Items_By_Field 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_Items_By_Field 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_Items_By_Field. 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_Items_By_Field 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.
Teams ship this data inside their own products. See what a licence covers →