get_crypto_holding_changes

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-crypto-holding-changes.md

WHAT IT DOES

What get_crypto_holding_changes does on OpenNews MCP

AI agents call get_crypto_holding_changes 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_crypto_holding_changes is rated Low

Despite the empty description lowering confidence slightly, the naming pattern and server context strongly suggest this retrieves historical or current data about cryptocurrency holdings without modifying them. No side effects, creation, deletion, or financial transactions are indicated.

From the tool's definition Tool name is 'get_crypto_holding_changes' with empty description. The 'get_' prefix and context of sibling tools (all retrieval operations like get_company_info, get_latest_news, get_key_market_events) indicate this is a data retrieval function.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_crypto_holding_changes 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_crypto_holding_changes, this is the rule to start with:

get_crypto_holding_changes Allowed

get_crypto_holding_changes 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_crypto_holding_changes": {}
  }
}

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_crypto_holding_changes call is checked against it from then on.

FAQ

Questions about get_crypto_holding_changes

What does the get_crypto_holding_changes tool do? +

get_crypto_holding_changes 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_crypto_holding_changes? +

Register the OpenNews MCP server in PolicyLayer and add a rule for get_crypto_holding_changes: 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_crypto_holding_changes? +

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

Can I rate-limit get_crypto_holding_changes? +

Yes. Add a rate_limit block to the get_crypto_holding_changes 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_crypto_holding_changes completely? +

Set action: deny in the PolicyLayer policy for get_crypto_holding_changes. 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_crypto_holding_changes? +

get_crypto_holding_changes 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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