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gas

gas is a command for coding agents from alchemyplatform/alchemy-claude-plugin. It costs 9 tokens per session (128 once invoked), scanned A, original, MIT.

A blockchain network fee command that reports gas, the fee paid to process transactions, for a chosen network.

In plain words
What is it for?
Checking the current gas price, priority fee, recent base-fee trend, and a suggested maximum fee.
Why use it?
It shows current and recent fee conditions so you can judge how expensive a transaction may be.

Command

Part of the alchemy plugin — 4 skills, 9 commands, 1 MCP server shipped together

not rated 6 2mo ago A scan 9 tokens original MIT
View the source file alchemyplatform/alchemy-claude-plugin
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add commands/alchemyplatform/alchemy-claude-plugin/gas
Clone the repo
git clone --depth 1 https://github.com/alchemyplatform/alchemy-claude-plugin

Or install alchemy, the plugin that ships this one along with the rest of its 4 skills, 9 commands, 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for gas

README.md
[![agentmods](https://agentmods.dev/badge/commands/alchemyplatform/alchemy-claude-plugin/gas.svg)](https://agentmods.dev/commands/alchemyplatform/alchemy-claude-plugin/gas)
Your own site
<a href="https://agentmods.dev/commands/alchemyplatform/alchemy-claude-plugin/gas"><img src="https://agentmods.dev/badge/commands/alchemyplatform/alchemy-claude-plugin/gas.svg" alt="Measured on agentmods" height="20"></a>
Per session 9 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 128 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00009 $0.00128
Opus 5 $0.00005 $0.00064
Sonnet 5 $0.00002 $0.00026
Haiku 4.5 $0.00001 $0.00013

Measured 3d ago against content hash 1e5845cf44f7, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

gas scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/alchemy/commands/gas.md · 12 lines

What it actually says

Report current gas conditions for the network in "$ARGUMENTS" (default eth-mainnet).

  • Ensure an app is selected (/alchemy:setup if needed).
  • Call ethGasPrice for the current gas price, ethMaxPriorityFeePerGas for the priority fee, and ethFeeHistory for recent base-fee trend.

Present gwei values for base fee, priority fee, and a suggested max fee, with a one-line read on whether gas is currently low/normal/high.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 12 lines · 9 tokens per session scan A 1e5845cf44f7

Subscribe to this mod's changes

gas is a command published in the GitHub repository alchemyplatform/alchemy-claude-plugin (6 stars, last pushed 2mo ago), licensed MIT. It adds 9 tokens to every session and 128 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Web3 and blockchainalchemyblockchainclaudeclaude-codeethereummcp
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