This record as markdown: /tools/creativelead-unclick/lego-themes.md
What lego_themes does on UnClick
AI agents call lego_themes 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 |
|---|---|---|---|
api_key | string | — |
Parameters from the server's own tool schema.
Why lego_themes is rated Low
This tool performs a simple query operation that retrieves and lists LEGO theme data from the Rebrickable API. It has no capability to modify, delete, execute code, or create financial transactions. The blast radius of misuse is minimal—an agent could at worst retrieve redundant theme listings. This is a straightforward Read category tool.
From the tool's definition Tool name 'lego_themes' and description 'List all LEGO themes from Rebrickable' indicate a data retrieval operation with no side effects.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
The rule that runs lego_themes 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 lego_themes, this is the rule to start with:
lego_themes 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 lego_themes call is checked against it from then on.
Questions about lego_themes
List all LEGO themes from Rebrickable. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
lego_themes accepts 1 parameter: api_key. 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 lego_themes: 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.
lego_themes 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 lego_themes 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 lego_themes. 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.
lego_themes is provided by the UnClick MCP server (creativelead/unclick). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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