crypto_global
Global crypto snapshot (total market cap, 24h volume, BTC/ETH dominance, coin count, sentiment) via CoinGecko for macro Cost: $0.005–$0.05 USDC on Base per call.
This record as markdown: /tools/com-gocreativeai-omnicall-agent-tools/crypto-global.md
What crypto_global does on Omnicall — Agent Tools Gateway
AI agents call crypto_global to retrieve information from Omnicall — Agent Tools Gateway 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 |
|---|---|---|---|
arg | string | Yes |
Parameters from the server's own tool schema.
Why crypto_global is rated Low
This is purely informational retrieval of publicly available cryptocurrency market aggregates. No write, execute, destructive, or financial transaction occurs; the tool merely queries and returns market statistics. The cost is a metered API charge, not a financial commitment from the user.
From the tool's definition Tool returns 'Global crypto snapshot (total market cap, 24h volume, BTC/ETH dominance, coin count, sentiment)' via CoinGecko—a read-only query of public market data with no side effects or state modifications.
Attacks that exploit this kind of access
The rule that runs crypto_global safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Omnicall — Agent Tools Gateway, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crypto_global, this is the rule to start with:
crypto_global 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 Omnicall — Agent Tools Gateway, apply this rule, and every crypto_global call is checked against it from then on.
Questions about crypto_global
Global crypto snapshot (total market cap, 24h volume, BTC/ETH dominance, coin count, sentiment) via CoinGecko for macro Cost: $0.005–$0.05 USDC on Base per call. It is categorised as a Read tool in the Omnicall — Agent Tools Gateway MCP Server, which means it retrieves data without modifying state.
crypto_global accepts 1 parameter: arg. Required: arg. The full parameter table on this page comes from the server's own tool schema.
Register the Omnicall — Agent Tools Gateway MCP server in PolicyLayer and add a rule for crypto_global: 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 Omnicall — Agent Tools Gateway. Nothing to install.
crypto_global 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 crypto_global 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 crypto_global. 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.
crypto_global is provided by the Omnicall — Agent Tools Gateway MCP server (https://omnicall.gocreativeai.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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