This record as markdown: /tools/nirholas-agenti/get-trending-coins.md
What get_trending_coins does on Agenti
AI agents call get_trending_coins to retrieve information from Agenti without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_trending_coins is rated Low
This tool fetches public market data about trending cryptocurrencies. It performs a read-only query with no ability to modify data, execute transactions, or trigger irreversible actions. While the server enables financial operations, this specific tool is a data retrieval function.
From the tool's definition Tool retrieves trending coin data from CoinGecko with no modification capability or side effects. The action is purely informational querying ('get', 'trending').
Attacks that exploit this kind of access
The rule that runs get_trending_coins safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Agenti, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_trending_coins, this is the rule to start with:
get_trending_coins 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 Agenti, apply this rule, and every get_trending_coins call is checked against it from then on.
Questions about get_trending_coins
Top trending coins right now on CoinGecko. It is categorised as a Read tool in the Agenti MCP Server, which means it retrieves data without modifying state.
Register the Agenti MCP server in PolicyLayer and add a rule for get_trending_coins: 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 Agenti. Nothing to install.
get_trending_coins 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 get_trending_coins 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 get_trending_coins. 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.
get_trending_coins is provided by the Agenti MCP server (nirholas/agenti). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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