util_evm_gas_limit_headroom
EVM Gas Limit Headroom calculates gas-limit headroom above an estimated gas amount from bounded caller-supplied values without an external provider. Call EVM Gas Limit Headroom before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns no...
This record as markdown: /tools/io-github-davidmosiah-delx-protocol/util-evm-gas-limit-headroom.md
What util_evm_gas_limit_headroom does on Delx Protocol — Agent Recovery & Continuity
AI agents call util_evm_gas_limit_headroom to retrieve information from Delx Protocol — Agent Recovery & Continuity without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
gas_limit | integer | Yes | Gas Limit supplied to EVM Gas Limit Headroom; used only for this bounded calculation and processed in memory without retention. |
estimated_gas | integer | Yes | Estimated Gas supplied to EVM Gas Limit Headroom; used only for this bounded calculation and processed in memory without retention. |
Parameters from the server's own tool schema.
Why util_evm_gas_limit_headroom is rated Low
Even though util_evm_gas_limit_headroom only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs util_evm_gas_limit_headroom safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Delx Protocol — Agent Recovery & Continuity, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For util_evm_gas_limit_headroom, this is the rule to start with:
util_evm_gas_limit_headroom 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 Delx Protocol — Agent Recovery & Continuity, apply this rule, and every util_evm_gas_limit_headroom call is checked against it from then on.
Questions about util_evm_gas_limit_headroom
EVM Gas Limit Headroom calculates gas-limit headroom above an estimated gas amount from bounded caller-supplied values without an external provider. Call EVM Gas Limit Headroom before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Gas Limit Headroom as versioned deterministic JSON. Limitation: Uses caller-supplied values only; it performs no RPC call, signing, broadcasting, balance lookup, custody, trading, or live-chain claim. It is categorised as a Read tool in the Delx Protocol — Agent Recovery & Continuity MCP Server, which means it retrieves data without modifying state.
util_evm_gas_limit_headroom accepts 2 parameters: gas_limit, estimated_gas. Required: gas_limit, estimated_gas. The full parameter table on this page comes from the server's own tool schema.
Register the Delx Protocol — Agent Recovery & Continuity MCP server in PolicyLayer and add a rule for util_evm_gas_limit_headroom: 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 Delx Protocol — Agent Recovery & Continuity. Nothing to install.
util_evm_gas_limit_headroom 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 util_evm_gas_limit_headroom 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 util_evm_gas_limit_headroom. 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.
util_evm_gas_limit_headroom is provided by the Delx Protocol — Agent Recovery & Continuity MCP server (https://api.delx.ai/v1/mcp?src=registry). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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