Returns a suggested EIP-1559 priority fee (tip) in wei.
AI agents call get_max_priority_fee_per_gas to retrieve information from Tenzro Ledger MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries blockchain gas pricing information and returns a suggested fee value. It has no side effects—it neither creates transactions, modifies data, executes code with variable effects, deletes data, nor moves funds. It is a simple data retrieval operation comparable to checking current prices or querying chain state, making it a Read category tool with low severity.
From the tool's definition Tool name 'get_max_priority_fee_per_gas' and description 'Returns a suggested EIP-1559 priority fee (tip) in wei' indicate a query operation that retrieves gas fee data without modifying state or executing transactions.
Attacks that exploit this kind of access
Returns a suggested EIP-1559 priority fee (tip) in wei. It is categorised as a Read tool in the Tenzro Ledger MCP MCP Server, which means it retrieves data without modifying state.
Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for get_max_priority_fee_per_gas: 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 Tenzro Ledger MCP. Nothing to install.
get_max_priority_fee_per_gas 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_max_priority_fee_per_gas 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_max_priority_fee_per_gas. 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_max_priority_fee_per_gas is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.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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