estimate_sponsored_gas
Estimate the gas cost that a sponsor would pay for a TIP-20 transfer.
This record as markdown: /tools/arome3-tempo-mcp/estimate-sponsored-gas.md
What estimate_sponsored_gas does on Tempo
AI agents call estimate_sponsored_gas to retrieve information from Tempo without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why estimate_sponsored_gas is rated Low
This tool performs a read-only estimation of gas costs for a hypothetical TIP-20 transfer. It retrieves or calculates information without creating, modifying, deleting, or executing any actual transactions or state changes. The word 'estimate' confirms it is informational only.
From the tool's definition Tool name 'estimate_sponsored_gas' and description 'Estimate the gas cost' indicate a query/calculation operation with no state changes or side effects.
Attacks that exploit this kind of access
The rule that runs estimate_sponsored_gas safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Tempo, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For estimate_sponsored_gas, this is the rule to start with:
estimate_sponsored_gas is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Tempo, apply this rule, and every estimate_sponsored_gas call is checked against it from then on.
Questions about estimate_sponsored_gas
Estimate the gas cost that a sponsor would pay for a TIP-20 transfer. It is categorised as a Read tool in the Tempo MCP Server, which means it retrieves data without modifying state.
Register the Tempo MCP server in PolicyLayer and add a rule for estimate_sponsored_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 Tempo. Nothing to install.
estimate_sponsored_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 estimate_sponsored_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 estimate_sponsored_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.
estimate_sponsored_gas is provided by the Tempo MCP server (arome3/tempo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on Tempo, and thousands of servers like it.
This server
Across the catalogue