get_price_percentage

A read tool on the REI Crypto MCP server.

SERVERREI Crypto MCP Server SOURCE0xreisearch/crypto-mcp-beta

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/0xreisearch-crypto-mcp-beta/get-price-percentage.md

WHAT IT DOES

What get_price_percentage does on REI Crypto MCP Server

AI agents call get_price_percentage to retrieve information from REI Crypto MCP Server 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_price_percentage is rated Low

This tool retrieves cryptocurrency price percentage data (likely historical or comparative price metrics). It performs no writes, deletions, code execution, or financial transactions. It is a passive data retrieval operation consistent with the server's stated purpose of providing crypto data access.

From the tool's definition Tool name 'get_price_percentage' indicates a retrieval function. Server description states it provides 'API access...for crypto data retrieval' without side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_price_percentage safely

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

get_price_percentage Allowed

get_price_percentage 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_price_percentage": {}
  }
}

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

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

FAQ

Questions about get_price_percentage

What does the get_price_percentage tool do? +

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

How do I enforce a policy on get_price_percentage? +

Register the REI Crypto MCP Server MCP server in PolicyLayer and add a rule for get_price_percentage: 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 REI Crypto MCP Server. Nothing to install.

What risk level is get_price_percentage? +

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

Can I rate-limit get_price_percentage? +

Yes. Add a rate_limit block to the get_price_percentage 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_price_percentage completely? +

Set action: deny in the PolicyLayer policy for get_price_percentage. 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_price_percentage? +

get_price_percentage is provided by the REI Crypto MCP Server MCP server (0xreisearch/crypto-mcp-beta). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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