AI agents call xero_contacts to retrieve information from UnClick without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
search | string | — | |
tenant_id | string | — | |
is_customer | boolean | — | |
is_supplier | boolean | — | |
access_token | string | — |
Parameters from the server's own tool schema.
This tool retrieves contact information from Xero accounting software without creating, modifying, deleting, or executing actions. It is a straightforward read operation with minimal risk if misused by an AI agent—returning contact data has no side effects on the system or financial obligations.
From the tool's definition Tool name 'xero_contacts' and description 'Get contacts from Xero' indicate data retrieval with no modification. The verb 'Get' is explicitly a query operation.
Risk signalsHandles credentials or secrets (access_token)
Attacks that exploit this kind of access
Get contacts from Xero. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
xero_contacts accepts 5 parameters: search, tenant_id, is_customer, is_supplier, access_token. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for xero_contacts: 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 UnClick. Nothing to install.
xero_contacts 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 xero_contacts 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 xero_contacts. 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.
xero_contacts is provided by the UnClick MCP server (@unclick/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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