AI agents call ploomes_contacts_types_list to retrieve information from Ploomes without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves a static list of contact type definitions from the Ploomes CRM system. It performs no modifications, deletions, or external operations. The data returned (contact type IDs and names) is read-only reference information used to support other operations. The blast radius of misuse is minimal — an agent could only retrieve metadata that is likely already visible to authorized users.
From the tool's definition Tool name contains 'list' and description states 'List available contact types' and 'Returns Id and Name for each type' — retrieves reference data with no side effects.
Attacks that exploit this kind of access
List available contact types in Ploomes CRM (e.g., Pessoa/Person, Empresa/Company). Returns Id and Name for each type. Use the returned Id as TypeId when creating or filtering contacts. It is categorised as a Read tool in the Ploomes MCP Server, which means it retrieves data without modifying state.
Register the Ploomes MCP server in PolicyLayer and add a rule for ploomes_contacts_types_list: 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 Ploomes. Nothing to install.
ploomes_contacts_types_list 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 ploomes_contacts_types_list 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 ploomes_contacts_types_list. 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.
ploomes_contacts_types_list is provided by the Ploomes MCP server (ploomes-mcp-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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