crypto_price

SERVERLivedatalink SOURCEhttps://livedatalink.ai/mcp

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-blackboxfoundry-livedatalink/crypto-price.md

WHAT IT DOES

What crypto_price does on Livedatalink

AI agents call crypto_price to retrieve information from Livedatalink without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`coin`	string	Yes	Cryptocurrency name or ticker (e.g., 'bitcoin', 'BTC', 'ethereum', 'ETH')

Parameters from the server's own tool schema.

RISK

Why crypto_price is rated Low

This tool retrieves and queries public cryptocurrency market data. It performs no write operations, does not execute code or commands, does not delete data, and does not move money. While it provides financial market information, it is informational only—viewing cryptocurrency prices carries negligible risk of misuse by an AI agent, as the tool cannot execute trades, transfer funds, or modify any systems.

From the tool's definition Tool description states it "Get[s] the current price and market data for any cryptocurrency. Returns price in USD, 24-hour change, market cap, volume, and all-time high." This is purely a data retrieval operation with no side effects, modifications, or…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs crypto_price safely

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

crypto_price Allowed

crypto_price 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": {
    "crypto_price": {}
  }
}

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

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

FAQ

Questions about crypto_price

What does the crypto_price tool do? +

Get the current price and market data for any cryptocurrency. Returns price in USD, 24-hour change, market cap, volume, and all-time high. Use this for 'what's the price of bitcoin?', 'how much is ethereum?', 'solana price', 'check dogecoin', 'BTC price', 'ETH value', 'crypto price check', or any question about a specific coin's current value. Supports all major cryptocurrencies: bitcoin, ethereum, solana, cardano, ripple/XRP, dogecoin, polkadot, avalanche, chainlink, polygon/MATIC, litecoin, uniswap, stellar, cosmos, NEAR, arbitrum, optimism, aptos, sui, toncoin, shiba inu, pepe, BNB, tether/USDT, USDC, and thousands more via CoinGecko ID. It is categorised as a Read tool in the Livedatalink MCP Server, which means it retrieves data without modifying state.

What parameters does crypto_price accept? +

crypto_price accepts 1 parameter: coin. Required: coin. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on crypto_price? +

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

What risk level is crypto_price? +

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

Can I rate-limit crypto_price? +

Yes. Add a rate_limit block to the crypto_price 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 crypto_price completely? +

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

crypto_price is provided by the Livedatalink MCP server (https://livedatalink.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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