cmc_info

Get cryptocurrency metadata from CoinMarketCap.

SERVERUnClick SOURCE@unclick/mcp-server

Low RISK CLASS

Category Read

Parameters 30 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/cmc-info.md

WHAT IT DOES

What cmc_info does on UnClick

AI agents call cmc_info 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
`id`	string	—
`symbol`	string	—
`api_key`	string	—

Parameters from the server's own tool schema.

RISK

Why cmc_info is rated Low

This tool retrieves metadata about cryptocurrencies (prices, market caps, rankings, etc.) from a public data source. It has no side effects, does not execute code, does not modify data, and does not move money. It is a straightforward read operation querying an external API for informational purposes.

From the tool's definition Tool description states 'Get cryptocurrency metadata from CoinMarketCap' — a retrieval operation with no modification or execution capability.

Risk signalsHandles credentials or secrets (api_key)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cmc_info 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_info, this is the rule to start with:

cmc_info Allowed

cmc_info is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "cmc_info": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every cmc_info call is checked against it from then on.

FAQ

Questions about cmc_info

What does the cmc_info tool do? +

Get cryptocurrency metadata from CoinMarketCap. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.

What parameters does cmc_info accept? +

cmc_info accepts 3 parameters: id, symbol, api_key. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on cmc_info? +

Register the UnClick MCP server in PolicyLayer and add a rule for cmc_info: 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.

What risk level is cmc_info? +

cmc_info is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit cmc_info? +

Yes. Add a rate_limit block to the cmc_info 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.

How do I block cmc_info completely? +

Set action: deny in the PolicyLayer policy for cmc_info. 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.

What MCP server provides cmc_info? +

cmc_info 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.

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