Fetch cryptocurrency-specific news articles. Dedicated endpoint for crypto/blockchain news with coin-specific filtering. Returns articles tagged with cryptocurrency topics from the past 48 hours. Args: - q: Search keywords (e.g.,
AI agents call newsdata_crypto to retrieve information from NewsData Io MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries cryptocurrency news data from the NewsData.io API. It performs read-only operations with no side effects—it does not create, modify, delete data, execute code, or commit financial transactions. The search and filtering capabilities are purely informational. The low severity reflects that misuse would only result in unwanted information retrieval, not data loss or harmful actions.
From the tool's definition Tool name 'newsdata_crypto' and description 'Fetch cryptocurrency-specific news articles' indicate a retrieval operation. The function returns news articles with no modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Fetch cryptocurrency-specific news articles. Dedicated endpoint for crypto/blockchain news with coin-specific filtering. Returns articles tagged with cryptocurrency topics from the past 48 hours. Args: - q: Search keywords (e.g.,. It is categorised as a Read tool in the NewsData Io MCP Server MCP Server, which means it retrieves data without modifying state.
Register the NewsData Io MCP Server MCP server in PolicyLayer and add a rule for newsdata_crypto: 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 NewsData Io MCP Server. Nothing to install.
newsdata_crypto 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 newsdata_crypto 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 newsdata_crypto. 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.
newsdata_crypto is provided by the NewsData Io MCP Server MCP server (jemondragon/newsdata-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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