Scan for price vs open interest divergence - a leading indicator. Detects: OI rising + price flat (accumulation), OI falling + price rising (weak rally), OI rising + price falling (distribution). These divergences often precede significant moves.
AI agents call scan_oi_divergence to retrieve information from Asterdex without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a market analysis and data retrieval tool. It scans existing market data (open interest and price information) to identify technical patterns and divergences that serve as leading indicators. There are no side effects—it does not create, modify, delete, or execute any trades or positions.
From the tool's definition Tool name 'scan_oi_divergence' and description indicate it 'Scans for' and 'Detects' divergences in market data. The description describes analysis and detection of patterns, with no mention of placing orders, modifying positions, or executing trades.
Attacks that exploit this kind of access
Scan for price vs open interest divergence - a leading indicator. Detects: OI rising + price flat (accumulation), OI falling + price rising (weak rally), OI rising + price falling (distribution). These divergences often precede significant moves. It is categorised as a Read tool in the Asterdex MCP Server, which means it retrieves data without modifying state.
Register the Asterdex MCP server in PolicyLayer and add a rule for scan_oi_divergence: 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 Asterdex. Nothing to install.
scan_oi_divergence 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 scan_oi_divergence 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 scan_oi_divergence. 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.
scan_oi_divergence is provided by the Asterdex MCP server (tyranosurasmax/asterdex-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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