markets.watch_price
Manage live WebSocket price subscriptions for real-time market updates. Subscribe to a token_id to start streaming price changes, unsubscribe to stop, or check connection status.
This record as markdown: /tools/demwick-polymarket-agent-mcp/markets.watch-price.md
What markets.watch_price does on Polymarket Agent Mcp
AI agents call markets.watch_price 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.
Why markets.watch_price is rated Low
This tool manages WebSocket subscriptions for real-time price data. It only reads/streams market price information without executing trades, modifying data, or committing financial obligations. Managing subscriptions (subscribe/unsubscribe) is reversible and has no financial or destructive side effects.
From the tool's definition Subscribe to a token_id to start streaming price changes, unsubscribe to stop, or check connection status
Attacks that exploit this kind of access
The rule that runs markets.watch_price safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Polymarket Agent Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For markets.watch_price, this is the rule to start with:
markets.watch_price 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 Polymarket Agent Mcp, apply this rule, and every markets.watch_price call is checked against it from then on.
Questions about markets.watch_price
Manage live WebSocket price subscriptions for real-time market updates. Subscribe to a token_id to start streaming price changes, unsubscribe to stop, or check connection status. It is categorised as a Read tool in the Polymarket Agent Mcp MCP Server, which means it retrieves data without modifying state.
Register the Polymarket Agent MCP server in PolicyLayer and add a rule for markets.watch_price: 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 Polymarket Agent Mcp. Nothing to install.
markets.watch_price 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.watch_price 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.watch_price. 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.watch_price is provided by the Polymarket Agent MCP server (demwick/polymarket-agent-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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