polymarket_markets
Query live Polymarket prediction markets, ranked by volume. Returns question, implied probability (0-1, derived from the outcome price), volume, liquidity, end date and URL. Optional free-text filter on the question.
This record as markdown: /tools/io-github-getgapup-gapup-mcp/polymarket-markets.md
What polymarket_markets does on Gapup Mcp
AI agents call polymarket_markets to retrieve information from Gapup 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 |
|---|---|---|---|
async | boolean | — | If true, returns a job_id immediately (<200ms) instead of waiting for the result. Poll the result with job_result(job_id). Use for slow tools to avoid client ti |
limit | integer | — | Maximum markets (default 20) |
query | string | — | Free-text filter on the market question |
includeRaw | boolean | — | Include Polymarket's original fields (default false) |
includeClosed | boolean | — | Include settled markets (default false) |
Parameters from the server's own tool schema.
Why polymarket_markets is rated Low
Tool retrieves publicly available market data with no ability to modify, execute transactions, or trigger external actions.
From the tool's definition Query live Polymarket prediction markets, returns question, implied probability, volume, liquidity, end date.
Attacks that exploit this kind of access
The rule that runs polymarket_markets safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Gapup Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For polymarket_markets, this is the rule to start with:
polymarket_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 Gapup Mcp, apply this rule, and every polymarket_markets call is checked against it from then on.
Questions about polymarket_markets
Query live Polymarket prediction markets, ranked by volume. Returns question, implied probability (0-1, derived from the outcome price), volume, liquidity, end date and URL. Optional free-text filter on the question. It is categorised as a Read tool in the Gapup Mcp MCP Server, which means it retrieves data without modifying state.
polymarket_markets accepts 5 parameters: async, limit, query, includeRaw, includeClosed. The full parameter table on this page comes from the server's own tool schema.
Register the Gapup MCP server in PolicyLayer and add a rule for polymarket_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 Gapup Mcp. Nothing to install.
polymarket_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 polymarket_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 polymarket_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.
polymarket_markets is provided by the Gapup MCP server (https://mcp.gapup.io/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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