Get the most recent publisher stake caps data from Pyth Network
AI agents call get_publisher_stake_caps 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 publisher stake caps information from the Pyth Network oracle, which is a read-only query operation. It does not create, modify, delete, or execute any operations—it simply fetches and returns existing data. Even in a financial context (crypto/blockchain), merely reading price feed metadata poses minimal risk compared to tools that could execute trades or modify state.
From the tool's definition Tool name 'get_publisher_stake_caps' and description 'Get the most recent publisher stake caps data' indicate a retrieval operation with no side effects. The verb 'Get' and context of fetching 'data' from Pyth Network's oracle system confirms read-only access.
Attacks that exploit this kind of access
Get the most recent publisher stake caps data from Pyth Network. 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_publisher_stake_caps: 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_publisher_stake_caps 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_publisher_stake_caps 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_publisher_stake_caps. 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_publisher_stake_caps 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.
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