blockchain-infrastructure

blockchain-infrastructure is a skill for Claude Code, Codex from j4flmao/agent-skills. It costs 234 tokens per session (5,342 once invoked), scanned A, original, MIT.

A guide to running the technical systems behind blockchain networks and smart contracts, including nodes, remote procedure call (RPC) services, deployments, monitoring, and key storage.

In plain words
What is it for?
Use it to plan node infrastructure, smart-contract CI/CD, blockchain monitoring, maximal extractable value (MEV) systems, and validator or deployment key management.
Why use it?
It helps organize the servers, deployment processes, alerts, and signing keys needed to operate blockchain software safely across development and live networks.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is - ./data/geth:/root/.ethereum.

Good fit Use it to plan node infrastructure, smart-contract CI/CD, blockchain monitoring, maximal extractable value (MEV) systems, and validator or deployment key management.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/j4flmao/agent-skills
agentmods
npx agentmods add skills/j4flmao/agent-skills/blockchain-infrastructure

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 blockchain-infrastructure

README.md
[![agentmods](https://agentmods.dev/badge/skills/j4flmao/agent-skills/blockchain-infrastructure/github.svg)](https://agentmods.dev/skills/j4flmao/agent-skills/blockchain-infrastructure)
Your own site
<a href="https://agentmods.dev/skills/j4flmao/agent-skills/blockchain-infrastructure"><img src="https://agentmods.dev/badge/skills/j4flmao/agent-skills/blockchain-infrastructure/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for blockchain-infrastructure

Your own site · 80×15
<a href="https://agentmods.dev/skills/j4flmao/agent-skills/blockchain-infrastructure"><img src="https://agentmods.dev/badge/skills/j4flmao/agent-skills/blockchain-infrastructure.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 234 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 5,342 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 3 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Data Exfiltration · line 476
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 486
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 500
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
How audits are shown
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 5.1 $0.00234 $0.05342
Opus 5 $0.00117 $0.02671
Sonnet 5 $0.00047 $0.01068
Haiku 4.5 $0.00023 $0.00534

Measured 5d ago against content hash 670ce72b8696, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

blockchain-infrastructure 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 5d 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.

Makes network callslowCapability

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

SYNCING=$(curl -s -X POST "$NODE" \
skills/blockchain/blockchain-infrastructure/SKILL.md · 579 lines

How it starts

The opening of the file, as written. The whole thing — 579 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Blockchain Infrastructure

Purpose

Guide blockchain infrastructure operations: node deployment, RPC infrastructure, smart contract CI/CD, monitoring, MEV infrastructure, and key management. Covers production-grade deployment patterns for all major blockchain networks.

Agent Protocol

Trigger

"blockchain deploy", "node deployment", "archive node", "validator node", "RPC infrastructure", "blockchain RPC", "JSON-RPC load balancing", "smart contract CI/CD", "forge CI", "hardhat CI", "blockchain monitoring", "Prometheus blockchain", "Grafana blockchain", "Forta", "Tenderly", "devnet", "testnet", "blockchain environment", "mainnet deploy", "contract verification", "blockchain DevOps", "MEV infrastructure", "builder", "relay", "Flashbots", "MEV relay", "block building", "KMS", "HSM", "key management blockchain", "Fireblocks", "HSM blockchain", "validator key management", "searcher infrastructure"

Input Context

  • Blockchain networks to support
  • Node types (archive/full/validator)
  • Infrastructure provider (bare-metal/cloud/K8s)
  • Scale requirements (RPC load, number of chains, validators)
  • Security requirements (key management, access control, compliance)
  • Budget constraints

Output Artifact

Infrastructure architecture specification including: deployment topology, provisioning configuration, CI/CD pipeline, monitoring stack, and operations runbooks.

Response Format

  1. Deployment topology: node type, infrastructure sizing, network requirements, geographic distribution
  2. Provisioning: Ansible/Terraform/K8s configuration, secrets management, upgrade strategy
  3. CI/CD pipeline: test → build → verify → deploy → monitor flow with security gates
  4. Configuration: environment-specific parameters, chain settings, multi-env strategy
  5. Monitoring & alerting: metrics, dashboards, SLOs, runbooks, escalation

Completion Criteria

  • Node deployment topology includes: sizing, network, storage, and HA strategy
  • Provisioning automation covers: initial setup, upgrades, backups, disaster recovery
  • CI/CD pipeline includes: contract testing, static analysis, deployment, verification, monitoring
  • Monitoring covers: node health, chain health, infrastructure health, security events
  • Runbooks document: deploy, upgrade, rollback, incident response procedures

Read the full file on GitHub · 579 lines

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. 5d ago First seen · 579 lines · 234 tokens per session scan A 670ce72b8696

Subscribe to this mod's changes

blockchain-infrastructure is a skill published in the GitHub repository j4flmao/agent-skills (22 stars, last pushed 3d ago), licensed MIT. It adds 234 tokens to every session and 5,342 once invoked, about $0.0012 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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