Raw trade access for a Polymarket market via the Polymarket Data API. Supports client-side filters: time range (from/to, ISO 8601), side (BUY/SELL), minimum trade size, or a specific wallet. Paginates server-side (max 25 pages × 1000 trades). Returns compact records with wallet, pseudonym, side, ...
Part of the Predictionguard server.
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AI agents call pg_market_trades to retrieve information from Predictionguard without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though pg_market_trades only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"pg_market_trades": {}
}
}See the full Predictionguard policy for all 41 tools.
These attack patterns abuse exactly the kind of access pg_market_trades gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Raw trade access for a Polymarket market via the Polymarket Data API. Supports client-side filters: time range (from/to, ISO 8601), side (BUY/SELL), minimum trade size, or a specific wallet. Paginates server-side (max 25 pages × 1000 trades). Returns compact records with wallet, pseudonym, side, size, price, notional USD, outcome, timestamp, tx_hash.. It is categorised as a Read tool in the Predictionguard MCP Server, which means it retrieves data without modifying state.
Register the Predictionguard MCP server in PolicyLayer and add a rule for pg_market_trades: 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 Predictionguard. Nothing to install.
pg_market_trades 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 pg_market_trades 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 pg_market_trades. 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.
pg_market_trades is provided by the Predictionguard MCP server (https://feedoracle.io/predictionguard/mcp/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 41 Predictionguard tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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