portfolio.balance
View account balance summary: daily budget remaining, total invested, realized and unrealized P&L. No parameters needed. Use this to check how much budget is left before placing new trades.
This record as markdown: /tools/demwick-polymarket-agent-mcp/portfolio.balance.md
What portfolio.balance does on Polymarket Agent Mcp
AI agents call portfolio.balance 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 portfolio.balance is rated Low
This tool retrieves and displays account financial metrics (daily budget remaining, total invested, P&L) without creating, modifying, deleting, or executing any trades or financial transactions. It is purely informational, similar to checking an account statement.
From the tool's definition Tool name 'portfolio.balance' and description 'View account balance summary' indicate a read-only query operation that retrieves financial data without modifying or executing transactions.
Attacks that exploit this kind of access
The rule that runs portfolio.balance 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 portfolio.balance, this is the rule to start with:
portfolio.balance 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 portfolio.balance call is checked against it from then on.
Questions about portfolio.balance
View account balance summary: daily budget remaining, total invested, realized and unrealized P&L. No parameters needed. Use this to check how much budget is left before placing new trades. 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 portfolio.balance: 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.
portfolio.balance 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 portfolio.balance 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 portfolio.balance. 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.
portfolio.balance 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.
More on Polymarket Agent, and thousands of servers like it.
This server
Across the catalogue