coincap_assets
List top crypto assets by market cap from CoinCap.
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/coincap-assets.md
What coincap_assets does on UnClick
AI agents call coincap_assets 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 | — | Max results (default 10, max 50). |
search | string | — | Filter by asset name or symbol. |
Parameters from the server's own tool schema.
Why coincap_assets is rated Low
This tool retrieves cryptocurrency market capitalization data from a public API (CoinCap). It performs no modifications, deletions, or external state changes. The data retrieved is read-only public information. No financial transactions, code execution, or destructive operations are involved. Low severity because misuse would only result in accessing freely available public data.
From the tool's definition Tool name 'coincap_assets' and description 'List top crypto assets by market cap from CoinCap' indicate a query/retrieval operation with no side effects. The verb 'List' and the action of fetching public market data are characteristic of Read operations.
Attacks that exploit this kind of access
The rule that runs coincap_assets 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 coincap_assets, this is the rule to start with:
coincap_assets 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 coincap_assets call is checked against it from then on.
Questions about coincap_assets
List top crypto assets by market cap from CoinCap. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
coincap_assets accepts 2 parameters: limit, search. 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 coincap_assets: 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.
coincap_assets 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 coincap_assets 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 coincap_assets. 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.
coincap_assets 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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