# markets.compare

Compare 2-5 Polymarket markets side by side. Shows price, spread, order book depth, volume, and quality score for each market. Useful for choosing the best market to trade among similar options.

Agent View of the PolicyLayer registry record for `markets.compare`. HTML page: https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.compare

## Facts

- Tool: `markets.compare`
- Server: Polymarket Agent Mcp (`demwick/polymarket-agent-mcp`) — https://policylayer.com/tools/demwick-polymarket-agent-mcp.md
- Homepage: https://github.com/demwick/polymarket-agent-mcp
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "markets.compare",
    "arguments": {}
  }
}
```

## Why markets.compare is rated Low

Tool retrieves and displays market data without modifying positions or executing trades.

From the tool's own definition: "Compare markets shows price, spread, order book depth, volume, quality score."

## Use case

AI agents call markets.compare to retrieve information from Polymarket Agent Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Polymarket Agent Mcp:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "markets.compare": {}
  }
}
```

## Other tools on Polymarket Agent Mcp (47)

- `orders.cancel` — Destructive — https://policylayer.com/tools/demwick-polymarket-agent-mcp/orders.cancel.md
- `watchlist.rebalance` — Destructive — https://policylayer.com/tools/demwick-polymarket-agent-mcp/watchlist.rebalance.md
- `monitor.start` — Execute — https://policylayer.com/tools/demwick-polymarket-agent-mcp/monitor.start.md
- `monitor.stop` — Execute — https://policylayer.com/tools/demwick-polymarket-agent-mcp/monitor.stop.md
- `traders.backtest` — Execute — https://policylayer.com/tools/demwick-polymarket-agent-mcp/traders.backtest.md
- `config.go_live` — Financial — https://policylayer.com/tools/demwick-polymarket-agent-mcp/config.go-live.md
- `orders.batch` — Financial — https://policylayer.com/tools/demwick-polymarket-agent-mcp/orders.batch.md
- `orders.buy` — Financial — https://policylayer.com/tools/demwick-polymarket-agent-mcp/orders.buy.md
- `orders.sell` — Financial — https://policylayer.com/tools/demwick-polymarket-agent-mcp/orders.sell.md
- `positions.check_exits` — Financial — https://policylayer.com/tools/demwick-polymarket-agent-mcp/positions.check-exits.md
- `positions.close` — Financial — https://policylayer.com/tools/demwick-polymarket-agent-mcp/positions.close.md
- `wta.bid` — Financial — https://policylayer.com/tools/demwick-polymarket-agent-mcp/wta.bid.md
- `agent.log_cycle` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/agent.log-cycle.md
- `dashboard.get` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/dashboard.get.md
- `flow.discover` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/flow.discover.md
- `markets.analyze` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.analyze.md
- `markets.arbitrage` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.arbitrage.md
- `markets.check` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.check.md
- `markets.discover` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.discover.md
- `markets.events` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.events.md
- `markets.featured` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.featured.md
- `markets.holders` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.holders.md
- `markets.price` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.price.md
- `markets.price_history` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.price-history.md
- `markets.related` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.related.md
- `markets.search` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.search.md
- `markets.trending` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.trending.md
- `markets.watch_price` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/markets.watch-price.md
- `orders.list` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/orders.list.md
- `orders.status` — Read — https://policylayer.com/tools/demwick-polymarket-agent-mcp/orders.status.md
- …and 17 more: https://policylayer.com/tools/demwick-polymarket-agent-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=demwick-polymarket-agent-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/demwick-polymarket-agent-mcp