AI agents call crypto_daily 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 |
|---|---|---|---|
market | string | — | |
symbol | string | Yes | |
api_key | string | — |
Parameters from the server's own tool schema.
This tool retrieves cryptocurrency price history data from Alpha Vantage. The verb 'Get' and the nature of the request (fetching historical price data) align with the Read category. There is no capability to modify data, execute code, delete records, or commit financial transactions. The data retrieved is informational only.
From the tool's definition Tool description states 'Get daily crypto price history' which indicates retrieval of historical data without modification or side effects.
Risk signalsHandles credentials or secrets (api_key)
Attacks that exploit this kind of access
Get daily crypto price history from Alpha Vantage. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
crypto_daily accepts 3 parameters: market, symbol, api_key. Required: symbol. 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_daily: 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_daily 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_daily 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_daily. 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_daily 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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