Get metadata and field information for a Salesforce object with pagination
AI agents call describe_object_definition to retrieve information from MCP Salesforce Lite without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about Salesforce objects—their structure, available fields, and properties. It performs no creation, modification, deletion, or execution of operations. It is a pure information-gathering function similar to schema introspection. While metadata exposure could inform a broader attack, the tool itself is read-only and has minimal direct impact if misused in isolation.
From the tool's definition Tool name 'describe_object_definition' and description 'Get metadata and field information for a Salesforce object' indicate retrieval of object schema/metadata with no modification or deletion capability.
Attacks that exploit this kind of access
Get metadata and field information for a Salesforce object with pagination. It is categorised as a Read tool in the MCP Salesforce Lite MCP Server, which means it retrieves data without modifying state.
Register the MCP Salesforce Lite MCP server in PolicyLayer and add a rule for describe_object_definition: 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 MCP Salesforce Lite. Nothing to install.
describe_object_definition 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 describe_object_definition 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 describe_object_definition. 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.
describe_object_definition is provided by the MCP Salesforce Lite MCP server (luvl/mcp-salesforce-lite). 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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