get_coin_price
Fetch the USD price of any well-known cryptocurrency by ticker symbol or CoinGecko ID — no contract address required. Sister tool to get_token_price; use this for non-EVM natives (BTC, LTC, SOL, TRX, XMR, DOGE, etc.) and any asset that doesn't have an EVM ERC-20 representation. Two input modes: (...
This record as markdown: /tools/io-github-szhygulin-vaultpilot-mcp/get-coin-price.md
What get_coin_price does on VaultPilot MCP
AI agents call get_coin_price to retrieve information from VaultPilot MCP 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 |
|---|---|---|---|
symbol | string | — | Ticker symbol from the curated allowlist (~115 entries; case-insensitive). Examples: "BTC", "LTC", "SOL", "DOGE", "USDC", "stETH". The allowlist hardcodes the c |
coingeckoId | string | — | CoinGecko ID (the URL slug from coingecko.com/en/coins/<id>). Examples: "litecoin", "bitcoin", "monero". Bypasses the allowlist for long-tail assets. Pass exact |
Parameters from the server's own tool schema.
Why get_coin_price is rated Low
The tool purely retrieves cryptocurrency price information from CoinGecko, a public data source. It does not create, modify, delete, or execute any operations. It does not move funds or commit financial obligations. The blast radius of misuse is minimal—an agent could at worst request prices repeatedly or use stale data for analysis, but cannot cause financial loss, data corruption, or unintended transactions.
From the tool's definition Fetch the USD price of any well-known cryptocurrency by ticker symbol or CoinGecko ID — no contract address required. This is a read-only query operation that retrieves public market data with no side effects, modifications, or external state changes.
Attacks that exploit this kind of access
The rule that runs get_coin_price safely
PolicyLayer is an MCP gateway: it sits between your AI agents and VaultPilot MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_coin_price, this is the rule to start with:
get_coin_price is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect VaultPilot MCP, apply this rule, and every get_coin_price call is checked against it from then on.
Questions about get_coin_price
Fetch the USD price of any well-known cryptocurrency by ticker symbol or CoinGecko ID — no contract address required. Sister tool to get_token_price; use this for non-EVM natives (BTC, LTC, SOL, TRX, XMR, DOGE, etc.) and any asset that doesn't have an EVM ERC-20 representation. Two input modes: (a) symbol — case-insensitive ticker from a curated allowlist (~120 entries covering top market-cap coins, all native chain currencies VaultPilot supports, major LSTs, top stablecoins, top DeFi governance tokens, and high-question-volume memecoins). The allowlist hardcodes the canonical CoinGecko ID per ticker so scam-token collisions can't poison the result. (b) coingeckoId — escape hatch for long-tail assets. Pass the URL slug from coingecko.com/en/coins/<id>. Returns: { symbol, priceUsd, source: "defillama-coingecko", resolvedKey, asOf, confidence }. The confidence field is DefiLlama's 0–1 thin-liquidity score; surface it to the user when it's below 0.9. When the agent sees a portfolio response with priceMissing: true for a non-EVM asset, this is the tool to call. SCOPE: returns the current spot USD price — a snapshot, not a forecast. It is NOT a buy/sell signal, price prediction, target, or token-pick endorsement. AGENT BEHAVIOR: this tool surfaces data; it does NOT pick. Current price says nothing about future direction. Do NOT use the price to ground "what coin will 100x", "should I buy X", "best memecoin", or any other speculative-pick answer; refuse those prompts even when this tool was called. Issue #599. It is categorised as a Read tool in the VaultPilot MCP MCP Server, which means it retrieves data without modifying state.
get_coin_price accepts 2 parameters: symbol, coingeckoId. The full parameter table on this page comes from the server's own tool schema.
Register the VaultPilot MCP server in PolicyLayer and add a rule for get_coin_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 VaultPilot MCP. Nothing to install.
get_coin_price is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_coin_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.
Set action: deny in the PolicyLayer policy for get_coin_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.
get_coin_price is provided by the VaultPilot MCP server (vaultpilot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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