get_key_market_events

A read tool on the OpenNews MCP server.

SERVEROpenNews MCP SOURCE6551team/opennews-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade A, identity unverified Pull the record →

This record as markdown: /tools/6551team-opennews-mcp/get-key-market-events.md

WHAT IT DOES

What get_key_market_events does on OpenNews MCP

AI agents call get_key_market_events 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.

RISK

Why get_key_market_events is rated Low

The tool appears to retrieve or query market event data with no modification capability. However, in a cryptocurrency trading context, access to market event information combined with sentiment ratings and trading signals (as mentioned in server description) could enable market manipulation or poor trading decisions if misused by an AI agent.

From the tool's definition Tool name 'get_key_market_events' suggests retrieval of market event data. Sibling tools (get_latest_news, get_hot_news, get_high_score_news, get_news_by_engine, etc.) are all read-only retrieval operations. Description is empty, reducing confidence slightly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_key_market_events 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_key_market_events, this is the rule to start with:

get_key_market_events Allowed

get_key_market_events is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect OpenNews MCP, apply this rule, and every get_key_market_events call is checked against it from then on.

FAQ

Questions about get_key_market_events

What does the get_key_market_events tool do? +

get_key_market_events is a read tool on the OpenNews MCP server. It is categorised as a Read tool in the OpenNews MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_key_market_events? +

Register the OpenNews MCP server in PolicyLayer and add a rule for get_key_market_events: 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 OpenNews MCP. Nothing to install.

What risk level is get_key_market_events? +

get_key_market_events is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_key_market_events? +

Yes. Add a rate_limit block to the get_key_market_events 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.

How do I block get_key_market_events completely? +

Set action: deny in the PolicyLayer policy for get_key_market_events. 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.

What MCP server provides get_key_market_events? +

get_key_market_events is provided by the OpenNews MCP server (6551team/opennews-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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