AI agents call cmc_global_metrics 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 |
|---|---|---|---|
api_key | string | — |
Parameters from the server's own tool schema.
This tool retrieves publicly available market data from CoinMarketCap. It performs a query without creating, modifying, deleting, or executing code. There is no financial transaction, destructive action, or code execution involved. The blast radius of misuse is minimal — at worst an AI agent could make poor investment decisions based on the data, but the tool itself does not move money or alter systems.
From the tool's definition Tool name and description indicate it 'Get[s] global cryptocurrency market metrics' — a retrieval operation with no side effects or data modification. The verb 'Get' confirms read-only behavior.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
Get global cryptocurrency market metrics from CoinMarketCap. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
cmc_global_metrics 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 cmc_global_metrics: 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_global_metrics 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_global_metrics 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_global_metrics. 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_global_metrics 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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