get_coin_ohlc_range

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-coin-ohlc-range.md

WHAT IT DOES

What get_coin_ohlc_range does on REI Crypto MCP Server

AI agents call get_coin_ohlc_range 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_coin_ohlc_range is rated Low

This tool retrieves historical cryptocurrency price data within a specified range, which is a non-destructive read operation. No data modification, execution of code/commands, deletion, or financial transactions occur. The tool has minimal blast radius—incorrect parameters return incomplete or no data rather than causing harm.

From the tool's definition Tool name 'get_coin_ohlc_range' indicates retrieval of OHLC (Open, High, Low, Close) historical price data for cryptocurrencies. The context of sibling tools (get_batch_historical_prices, get_balances_address, etc.) are all data retrieval functions.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_coin_ohlc_range 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_coin_ohlc_range, this is the rule to start with:

get_coin_ohlc_range Allowed

get_coin_ohlc_range 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_coin_ohlc_range": {}
  }
}

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_coin_ohlc_range call is checked against it from then on.

FAQ

Questions about get_coin_ohlc_range

What does the get_coin_ohlc_range tool do? +

get_coin_ohlc_range 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_coin_ohlc_range? +

Register the REI Crypto MCP Server MCP server in PolicyLayer and add a rule for get_coin_ohlc_range: 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_coin_ohlc_range? +

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

Can I rate-limit get_coin_ohlc_range? +

Yes. Add a rate_limit block to the get_coin_ohlc_range 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_coin_ohlc_range completely? +

Set action: deny in the PolicyLayer policy for get_coin_ohlc_range. 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_coin_ohlc_range? +

get_coin_ohlc_range 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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