polymarket_token_midpoint
Get Polymarket token midpoint. Returns the public CLOB midpoint for one Polymarket token id.
This record as markdown: /tools/crawlora-mcp/polymarket-token-midpoint.md
What polymarket_token_midpoint does on Crawlora
AI agents call polymarket_token_midpoint to retrieve information from Crawlora 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 |
|---|---|---|---|
token_id | string | Yes | Polymarket CLOB token id |
Parameters from the server's own tool schema.
Why polymarket_token_midpoint is rated Low
This tool retrieves public pricing information (midpoint) from a Polymarket CLOB (Central Limit Order Book). It performs a read-only query operation with no side effects, data modification, code execution, or financial transactions. While Polymarket is a financial platform, the tool merely retrieves publicly available market data rather than executing trades or moving funds.
From the tool's definition Tool name 'polymarket_token_midpoint' and description 'Get Polymarket token midpoint. Returns the public CLOB midpoint for one Polymarket token id' indicate a retrieval operation that queries public market data without modification.
Attacks that exploit this kind of access
The rule that runs polymarket_token_midpoint safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crawlora, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For polymarket_token_midpoint, this is the rule to start with:
polymarket_token_midpoint 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 Crawlora, apply this rule, and every polymarket_token_midpoint call is checked against it from then on.
Questions about polymarket_token_midpoint
Get Polymarket token midpoint. Returns the public CLOB midpoint for one Polymarket token id. It is categorised as a Read tool in the Crawlora MCP Server, which means it retrieves data without modifying state.
polymarket_token_midpoint accepts 1 parameter: token_id. Required: token_id. The full parameter table on this page comes from the server's own tool schema.
Register the Crawlora MCP server in PolicyLayer and add a rule for polymarket_token_midpoint: 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 Crawlora. Nothing to install.
polymarket_token_midpoint 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_token_midpoint 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_token_midpoint. 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_token_midpoint is provided by the Crawlora MCP server (crawlora-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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