evm

evm is a skill for Claude Code, Codex from nobodyohm-web/Thot. It costs 19 tokens per session (2,288 once invoked), scanned A, a copy of evm, MIT.

A read-only tool for checking data on EVM-compatible blockchains, networks that use Ethereum-style accounts and smart contracts.

In plain words
What is it for?
Use it to inspect portfolios, token details, transaction history, contract activity, allowances, gas prices, ENS names, and prices across Ethereum, Base, Arbitrum, and other supported chains.
Why use it?
It gathers wallet, token, transaction, gas, and network information across eight supported chains without making changes to the blockchain.

Skill for Claude CodeCodex

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 skills/nobodyohm-web/thot/evm
Any agent
npx skills add nobodyohm-web/Thot --skill evm
Clone the repo
git clone --depth 1 https://github.com/nobodyohm-web/Thot

Made for: Claude Code, Codex.

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 evm

README.md
[![agentmods](https://agentmods.dev/badge/skills/nobodyohm-web/thot/evm.svg)](https://agentmods.dev/skills/nobodyohm-web/thot/evm)
Your own site
<a href="https://agentmods.dev/skills/nobodyohm-web/thot/evm"><img src="https://agentmods.dev/badge/skills/nobodyohm-web/thot/evm.svg" alt="Measured on agentmods" height="20"></a>
Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,288 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00019 $0.02288
Opus 5 $0.00010 $0.01144
Sonnet 5 $0.00004 $0.00458
Haiku 4.5 $0.00002 $0.00229

Measured 3d ago against content hash 11a5ad5e76a0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

evm scanned grade A with 1 finding 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.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/evm_client.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

(urllib, json, argparse, threading).
Origin

This is a copy

100% identical to evm — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

hermes/optional-skills/blockchain/evm/SKILL.md · 212 lines

How it starts

The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.

EVM Blockchain Skill

Query EVM-compatible blockchain data across 8 chains with USD pricing. 14 commands: wallet portfolio, token info, transactions, activity, gas tracker, network stats, price lookup, multi-chain scan, whale detection, ENS resolution, allowance checker, contract inspector, and transaction decoder.

Supports 8 chains: Ethereum, BNB Chain (BSC), Base, Arbitrum One, Polygon, Optimism, Avalanche (C-Chain), zkSync Era.

No API key needed. Zero external dependencies — Python standard library only (urllib, json, argparse, threading).

Supersedes the standalone base skill. Base-specific tokens (AERO, DEGEN, TOSHI, BRETT, WELL, cbETH, cbBTC, wstETH, rETH) and all Base RPC functionality previously living under optional-skills/blockchain/base/ have been folded into this skill. Pass --chain base to any command for Base coverage.


When to Use

  • User asks for a wallet balance or portfolio on any EVM chain
  • User wants to check the same wallet across ALL chains at once
  • User wants to inspect a transaction by hash (or decode what it did)
  • User wants ERC-20 token metadata, price, supply, or market cap
  • User wants recent transaction history for an address
  • User wants current gas prices or to compare fees across chains
  • User wants to find large whale transfers in recent blocks
  • User asks to resolve an ENS name (vitalik.eth) or reverse-lookup an address
  • User wants to check if a contract has dangerous token approvals
  • User wants to inspect a smart contract (proxy? ERC-20? ERC-721? bytecode size?)
  • User wants to compare gas costs across chains before a transaction

Prerequisites

Python 3.8+ standard library only. No pip installs required. Pricing: CoinGecko free API (rate-limited, ~10-30 req/min). ENS: ensideas.com public API. Tx decoding: 4byte.directory public API.

Override RPC endpoint: export EVM_RPC_URL=https://your-rpc.com

Helper script path: ~/.hermes/skills/blockchain/evm/scripts/evm_client.py


Quick Reference

Read the full file on GitHub · 212 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 212 lines · 19 tokens per session scan A 11a5ad5e76a0

Subscribe to this mod's changes

evm is a skill published in the GitHub repository nobodyohm-web/Thot (0 stars, last pushed 9d ago), licensed MIT. It adds 19 tokens to every session and 2,288 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 100% identical to evm, differing in 0 lines, and is treated as a copy.

Related

Other skills, from other repositories

runtime-behavior-probe

Plan and, after explicit approval, execute runtime-behavior probes for local or live integrations. Use only when explicitly invoked to verify behavior that code review and normal tests cannot settle; define a controlled validation matrix and report observed evidence.

openai/openai-agents-python · 53 tokens

building-pydantic-ai-agents

Build AI agents with Pydantic AI — tools, capabilities (including on-demand loading), structured output, streaming, testing, and multi-agent patterns. Use when the user mentions Pydantic AI, imports pydanticai, or asks to build an AI agent, add tools/capabilities, defer capability loading, stream output, define agents…

pydantic/pydantic-ai · 85 tokens

e2e-cucumber-playwright

Use when writing, changing, or reviewing Cucumber and Playwright tests under e2e/, including feature files, step definitions, support code, scenario tags, locators, and assertions. Do not use for Vitest, React Testing Library, backend tests, or generic browser automation outside the E2E suite.

langgenius/dify · 73 tokens

selbstmanagement

Expert fuer persoenliches Selbstmanagement. Nutze diesen Skill fuer: (1) Lebenskreise/Lebensbereiche bewerten, (2) Berufsziele definieren und tracken, (3) ADHS-Strategien abrufen, (4) Work-Life-Balance analysieren.

ellmos-ai/bach · 64 tokens

hyperliquid

Hyperliquid market data, account history, trade review.

NousResearch/hermes-agent · 16 tokens

mem0-cli

Mem0 CLI -- the command-line interface for mem0 memory operations. TRIGGER when: user mentions "mem0 cli", "mem0 command line", "@mem0/cli", "mem0-cli", "pip install mem0-cli", "npm install -g @mem0/cli", or is running mem0 commands in a terminal/shell (mem0 add, mem0 search, mem0 list, mem0 get, mem0 init, mem0…

mem0ai/mem0 · 177 tokens