get_news_by_source

What get_news_by_source does on OpenNews MCP

AI agents call get_news_by_source to retrieve information from OpenNews MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why get_news_by_source is rated Low

This tool retrieves cryptocurrency news filtered by source. It retrieves or queries data with no side effects, matching the Read category definition. The confidence is slightly reduced (0.85 rather than higher) due to the empty tool description, which prevents direct confirmation of behavior, but the naming convention and server context provide strong evidence of read-only functionality.

From the tool's definition Tool name 'get_news_by_source' follows the 'get_*' pattern consistent with sibling tools (get_high_score_news, get_hot_news, get_latest_news, get_news_by_engine, get_news_by_signal) that are clearly read-only news retrieval functions.

The rule that runs get_news_by_source safely

PolicyLayer is an MCP gateway: it sits between your AI agents and OpenNews MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_news_by_source, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_news_by_source": {}
  }
}

Questions about get_news_by_source