This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/abn-lookup.md
What abn_lookup does on UnClick
AI agents call abn_lookup to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
abn | string | Yes | |
api_key | string | — |
Parameters from the server's own tool schema.
Why abn_lookup is rated Low
ABN lookups are read-only queries against publicly available Australian Business Register data. The tool retrieves information but does not create, modify, delete, or execute actions. While the data retrieved could be used for impersonation or social engineering, the tool itself performs no destructive, financial, or code-execution operations.
From the tool's definition Tool name 'abn_lookup' and description 'Look up an Australian Business Number (ABN)' indicate a query operation that retrieves public business registry data without modification or side effects.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
The rule that runs abn_lookup safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For abn_lookup, this is the rule to start with:
abn_lookup is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every abn_lookup call is checked against it from then on.
Questions about abn_lookup
Look up an Australian Business Number (ABN). It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
abn_lookup accepts 2 parameters: abn, api_key. Required: abn. 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 abn_lookup: 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.
abn_lookup 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 abn_lookup 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 abn_lookup. 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.
abn_lookup 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.
More on UnClick, and thousands of servers like it.
This server
Across the catalogue