finance_stock
Returns live quote: price, 24h change, day high/low, volume, market cap, PE. Yahoo Finance. For equity trading, portfoli Cost: $0.005–$0.05 USDC on Base per call.
This record as markdown: /tools/com-gocreativeai-omnicall-agent-tools/finance-stock.md
What finance_stock does on Omnicall — Agent Tools Gateway
AI agents call finance_stock 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 finance_stock is rated Low
This is a data retrieval tool that queries financial market information. While it operates in the financial domain, it performs no financial transactions, does not move money, does not commit financial obligations, and produces no side effects. The read-only nature of querying stock quotes for informational purposes places it firmly in the Read category.
From the tool's definition Tool returns live quote data (price, 24h change, day high/low, volume, market cap, PE) from Yahoo Finance. No mutations, no transactions, no irreversible operations described.
Attacks that exploit this kind of access
The rule that runs finance_stock 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 finance_stock, this is the rule to start with:
finance_stock 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 finance_stock call is checked against it from then on.
Questions about finance_stock
Returns live quote: price, 24h change, day high/low, volume, market cap, PE. Yahoo Finance. For equity trading, portfoli 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.
finance_stock 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 finance_stock: 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.
finance_stock 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 finance_stock 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 finance_stock. 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.
finance_stock 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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