Top gainers/losers. Filters out low-volume and junk tickers automatically.
AI agents call movers to retrieve information from Rozkoduj MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a data retrieval tool that queries market screening results. It has no side effects, cannot create, modify, or delete data, and cannot execute trades or financial transactions. While the server provides trading insights, this specific tool merely fetches and presents filtered market data. The filtering of low-volume tickers is automatic data curation, not a destructive or write operation.
From the tool's definition Tool retrieves and filters 'Top gainers/losers' market data with no capacity to modify, delete, or execute transactions. It is a read-only query returning price movement information.
Attacks that exploit this kind of access
Top gainers/losers. Filters out low-volume and junk tickers automatically. It is categorised as a Read tool in the Rozkoduj MCP MCP Server, which means it retrieves data without modifying state.
Register the Rozkoduj MCP server in PolicyLayer and add a rule for movers: 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 Rozkoduj MCP. Nothing to install.
movers 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 movers 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 movers. 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.
movers is provided by the Rozkoduj MCP server (rozkoduj/rozkoduj-mcp). 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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