AI agents call crypto_ai_report to retrieve information from Data Apis without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Despite the micropayment aspect, this tool performs a read operation: it fetches/analyzes existing cryptocurrency data and returns a report. The charge is a service fee, not a financial commitment or transaction executed by the tool. The tool does not execute trades, modify data, delete data, or run arbitrary code—it retrieves and summarizes information, which is a read operation.
From the tool's definition Tool 'Get a Claude AI-written investment analysis report' retrieves and queries data (crypto analysis, price action, fundamentals, outlook).
Attacks that exploit this kind of access
Get a Claude AI-written investment analysis report for any cryptocurrency. Includes price action, fundamentals, and outlook. Costs $0.25 USDC per request via x402 on Base. It is categorised as a Read tool in the Data Apis MCP Server, which means it retrieves data without modifying state.
Register the Data Apis MCP server in PolicyLayer and add a rule for crypto_ai_report: 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 Data Apis. Nothing to install.
crypto_ai_report 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_ai_report 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_ai_report. 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_ai_report is provided by the Data Apis MCP server (yantrix-ai/x402-apis-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.
Teams ship this data inside their own products. See what a licence covers →