get_price_chart

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-chart.md

WHAT IT DOES

What get_price_chart does on REI Crypto MCP Server

AI agents call get_price_chart 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_chart is rated Low

This tool retrieves cryptocurrency price chart data from public APIs without modifying or executing anything. It has no side effects, cannot delete data, move funds, or trigger external operations. The blast radius of misuse is minimal—an agent could request large volumes of data but cannot cause financial harm or system damage.

From the tool's definition Tool name 'get_price_chart' and server context describe crypto data retrieval APIs (DefiLlama Pro, CoinGecko Pro). Sibling tools like 'get_batch_historical_prices' and 'get_balances_address' are all read-only data retrieval operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_price_chart 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_chart, this is the rule to start with:

get_price_chart Allowed

get_price_chart 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_chart": {}
  }
}

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_chart call is checked against it from then on.

FAQ

Questions about get_price_chart

What does the get_price_chart tool do? +

get_price_chart 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_chart? +

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

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

Can I rate-limit get_price_chart? +

Yes. Add a rate_limit block to the get_price_chart 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_chart completely? +

Set action: deny in the PolicyLayer policy for get_price_chart. 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_chart? +

get_price_chart 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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