Describes the available fields for a contact object in Salesforce.
AI agents call describe_contact_schema to retrieve information from Salesforce 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 and returns structural information about contact fields in Salesforce without creating, modifying, deleting, or executing any operations. It is a read-only introspection operation with minimal blast radius if misused by an AI agent.
From the tool's definition Tool name 'describe_contact_schema' and description 'Describes the available fields for a contact object' indicate retrieval of schema metadata with no data modification or deletion.
Attacks that exploit this kind of access
Describes the available fields for a contact object in Salesforce. It is categorised as a Read tool in the Salesforce MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Salesforce MCP Server MCP server in PolicyLayer and add a rule for describe_contact_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 Salesforce MCP Server. Nothing to install.
describe_contact_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 describe_contact_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 describe_contact_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.
describe_contact_schema is provided by the Salesforce MCP Server MCP server (obot-platform/salesforce-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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