markets
Returns live prediction-market odds (Polymarket) — outcome implied probabilities + 24h volume for any keyword search. Tr Cost: $0.005–$0.05 USDC on Base per call.
This record as markdown: /tools/com-gocreativeai-omnicall-agent-tools/markets.md
What markets does on Omnicall — Agent Tools Gateway
AI agents call markets 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 markets is rated Low
This tool queries and retrieves real-time market data from Polymarket (a prediction market platform). It performs a read-only operation: fetching odds, probabilities, and volume information. There are no side effects, no data modification, no code execution, and no irreversible actions. The financial nature of prediction markets is secondary to the core function (data retrieval).
From the tool's definition Tool description states 'Returns live prediction-market odds' and 'outcome implied probabilities + 24h volume for any keyword search' — purely retrieval of publicly available market data with no modification, deletion, or execution capability.
Attacks that exploit this kind of access
The rule that runs markets 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 markets, this is the rule to start with:
markets 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 markets call is checked against it from then on.
Questions about markets
Returns live prediction-market odds (Polymarket) — outcome implied probabilities + 24h volume for any keyword search. Tr 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.
markets 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 markets: 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.
markets 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 markets 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 markets. 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.
markets 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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