cmc_listings
Get latest cryptocurrency listings from CoinMarketCap.
This record as markdown: /tools/creativelead-unclick/cmc-listings.md
What cmc_listings does on UnClick
AI agents call cmc_listings 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 |
|---|---|---|---|
limit | number | — | |
api_key | string | — | |
convert | string | — |
Parameters from the server's own tool schema.
Why cmc_listings is rated Low
This tool performs a straightforward data retrieval operation. It queries CoinMarketCap for cryptocurrency listings and returns current market information. There are no side effects, no data modification, no code execution, and no financial transactions involved. The severity is low because misuse would only result in retrieving market data, with minimal blast radius.
From the tool's definition Tool description explicitly states 'Get latest cryptocurrency listings from CoinMarketCap' — a read-only operation that retrieves publicly available market data without modifying or executing anything.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
The rule that runs cmc_listings 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 cmc_listings, this is the rule to start with:
cmc_listings 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 cmc_listings call is checked against it from then on.
Questions about cmc_listings
Get latest cryptocurrency listings from CoinMarketCap. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
cmc_listings accepts 3 parameters: limit, api_key, convert. 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 cmc_listings: 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.
cmc_listings 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 cmc_listings 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 cmc_listings. 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.
cmc_listings 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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