Get the latest time-weighted average price (TWAP) from Pyth Network with a custom time window
AI agents call get_twap_latest to retrieve information from Pyth Network MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves financial market data (TWAP calculations) from a decentralized oracle. It is a read-only operation that queries existing price information without creating, modifying, executing code, deleting data, or moving funds.
From the tool's definition Tool name 'get_twap_latest' and description indicate retrieval of 'latest time-weighted average price (TWAP)' with no indication of data modification, deletion, execution of code, financial transactions, or irreversible actions.
Attacks that exploit this kind of access
Get the latest time-weighted average price (TWAP) from Pyth Network with a custom time window. It is categorised as a Read tool in the Pyth Network MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Pyth Network MCP Server MCP server in PolicyLayer and add a rule for get_twap_latest: 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 Pyth Network MCP Server. Nothing to install.
get_twap_latest 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 get_twap_latest 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 get_twap_latest. 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.
get_twap_latest is provided by the Pyth Network MCP Server MCP server (itsomsarraf/pyth-network-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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