This record as markdown: /tools/creativelead-unclick/crypto-price.md
What crypto_price does on UnClick
AI agents call crypto_price 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 |
|---|---|---|---|
ids | string | — | Comma-separated coin IDs |
vs_currencies | string | — | Comma-separated currency codes |
Parameters from the server's own tool schema.
Why crypto_price is rated Low
This is a straightforward read operation that queries and returns cryptocurrency price data. It has no capability to modify data, execute code, perform financial transactions, or cause destructive changes. The blast radius of misuse is minimal - an attacker could only retrieve publicly available pricing information, which poses no security risk.
From the tool's definition Tool description states it retrieves cryptocurrency prices from CoinGecko - a data retrieval operation with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
The rule that runs crypto_price 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 crypto_price, this is the rule to start with:
crypto_price 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 crypto_price call is checked against it from then on.
Questions about crypto_price
Get cryptocurrency prices from CoinGecko. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
crypto_price accepts 2 parameters: ids, vs_currencies. 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 crypto_price: 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.
crypto_price 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 crypto_price 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 crypto_price. 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.
crypto_price 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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