Guide · Agent skill
How to use the Ethereum Node Setup Helper agent skill
Updated · written with AI from the project's own documentation and checked against our catalogue data
This guide explains what the cli-anything-eth2-quickstart agent skill does, how to install it for Claude, and how to ask your agent to use it. It is written for readers who have never used agent skills before. By the end you will know how to install the skill, how to phrase requests so the agent uses it, and which safety checks to keep in place on a real server.
Ethereum Node Setup HelperHKUDS/CLI-Anything · Apache-2.0 Download the skill Quick start
- 1Check requirements. Confirm you have a Linux server you control, a local checkout of chimera-defi/eth2-quickstart, and root or sudo access.
- 2Install the CLI. Make sure the cli-anything-eth2-quickstart CLI is installed on the host. The source for this skill does not give an install command, so follow the instructions from the project that provides the CLI.
- 3Download and unzip the skill. Download the skill ZIP from the page and unzip it into ~/.claude/skills/ or the project's .claude/skills/ folder.
- 4Or upload it in the Claude apps. In the Claude apps, go to Settings, then Capabilities, then Skills, and upload the skill.
- 5Ask for a health check. Request a health check in plain language. The agent should run health-check with --json and return structured output.
- 6Confirm before changes. When you ask for setup, client installs or RPC exposure, the agent must ask you to confirm before running the command with --confirm.
What is an agent skill and what does this one do?
An agent skill is a folder with a SKILL.md file that tells an AI agent when a task fits a particular tool and how to carry it out. This skill covers the chimera-defi/eth2-quickstart automation repo. It gives an agent a command-line wrapper, cli-anything-eth2-quickstart, that calls the repo's own shell scripts rather than replacing them.
The skill is aimed at tasks such as bootstrapping a fresh Ethereum node host, installing execution and consensus clients, enabling MEV-Boost or Commit-Boost workflows, exposing RPC through Nginx or Caddy, updating validator fee recipient or graffiti settings, and checking node health in machine-readable JSON.
- Health checks that return structured JSON using the --json flag
- Phase 2 client installs with explicit execution and consensus client choices
- Guided node setup with a phase option
- Validator metadata changes (fee recipient and graffiti) without key import
- RPC exposure through Nginx or Caddy
What you need before installing the skill
Check these requirements first. The skill runs scripts that install software, open network endpoints and change system configuration, so it is not suitable for a machine you do not own or fully control.
The source lists the following requirements: a local checkout of the chimera-defi/eth2-quickstart repository, a Linux server host where the eth2-quickstart shell scripts can run, the cli-anything-eth2-quickstart CLI installed, and root or sudo privileges on the target host for installation steps.
- A local checkout of the chimera-defi/eth2-quickstart repository
- A Linux server host where the eth2-quickstart shell scripts can run
- The cli-anything-eth2-quickstart CLI installed on that host
- Root or sudo privileges for installation steps
How to install the skill
Download the skill ZIP from the page where you found this guide and unzip it. You can install it in one of two ways. For a personal setup, unzip it into ~/.claude/skills/. For a single project, unzip it into that project's .claude/skills/ folder.
If you use the Claude apps, you can instead upload the skill under Settings, then Capabilities, then Skills.
Once the skill folder is in place, the agent can find it. The skill folder contains a single file, SKILL.md.
- Personal install: unzip into ~/.claude/skills/
- Project install: unzip into the project's .claude/skills/ folder
- Claude apps: Settings, then Capabilities, then Skills, then upload
How to trigger the skill with natural requests
You do not need special syntax. Describe the task in plain language and mention Ethereum nodes or eth2-quickstart. The skill covers bootstrapping a fresh host, installing clients, MEV-Boost or Commit-Boost, RPC exposure, validator fee recipient or graffiti changes, and health checks, so requests on those topics are the ones that should trigger it.
Good requests name the goal and the constraints. For example, say which execution and consensus clients you want, and say that you want a confirmation step before anything changes.
- Check the health of my Ethereum node on this server and give me the output as JSON.
- Set up a fresh Ethereum node with geth and lighthouse on mainnet, and ask me to confirm before installing anything.
- Change the validator fee recipient and graffiti for my prysm setup without touching any keys.
- Expose the node's RPC through nginx at rpc.example.org after I confirm.
Examples of the commands the agent runs
The skill tells the agent to use --json for every call so the output can be parsed. The examples below are copied from the skill's own reference. Commands that change the system need a --confirm flag, and the agent must get your confirmation first.
The configure-validator command only handles metadata and operator guidance. The skill does not import keys with it.
- health-check is the canonical machine-readable health check.
- install-clients installs the clients you choose and needs confirmation.
- setup-node runs guided setup and needs confirmation.
- configure-validator sets fee recipient and graffiti only.
- start-rpc exposes RPC through the chosen web stack and needs confirmation.
cli-anything-eth2-quickstart --json health-check
cli-anything-eth2-quickstart --json configure-validator --consensus-client prysm --fee-recipient 0x1111111111111111111111111111111111111111 --graffiti "CLI-Anything"Safety notes: scripts, network and secrets
The skill runs scripts and uses the network, so read the safety rules before you let an agent act. The skill requires human confirmation before setup-node, install-clients, or start-rpc. It does not generate validator keys, and it does not remove secrets or wallet material.
The skill also respects the reboot boundary between Phase 1 and Phase 2 of setup. Do not let an agent skip past a reboot. Key management must be handled separately and carefully, outside this skill.
- Confirm every system-changing step yourself before it runs.
- Never ask the agent to create validator keys with this skill.
- Keep wallet files and secrets out of the workflow; the skill will not remove them.
- Respect the reboot between Phase 1 and Phase 2.
- Only run this on a server you own or fully control.
Tips for a smooth run
Tell the tool where the repo is. The skill finds the eth2-quickstart checkout from the --repo-root option, the ETH2QS_REPO_ROOT environment variable, or the current working directory, in that order of explicit setting. Setting it explicitly avoids surprises.
When flags map directly to repo settings, the skill writes compatible overrides into config/user_config.env. Review that file if you want to know what was changed.
- Pass --repo-root or set ETH2QS_REPO_ROOT if your shell is not in the checkout.
- Ask for JSON output so you can read health results precisely.
- Check config/user_config.env after changes to see the overrides written.
- Run health-check before and after a change to compare results.
What people use it for
- Checking a running node's health and reading the result as JSON for a monitoring script.
- Bootstrapping a fresh Ethereum host with a chosen execution and consensus client pair.
- Changing validator fee recipient or graffiti on an existing prysm or other validator setup without touching keys.
- Exposing an existing node's RPC through Nginx or Caddy on a domain you own.
Frequently asked questions
How do I install the cli-anything-eth2-quickstart agent skill?
Download the skill ZIP from the page, then unzip it into ~/.claude/skills/ for a personal install or into a project's .claude/skills/ folder. In the Claude apps you can instead upload it under Settings, Capabilities, then Skills. The CLI itself must also be installed on your server, and the source does not give its install command.
What do I need to run the eth2-quickstart skill?
You need a local checkout of the chimera-defi/eth2-quickstart repository, a Linux server where its shell scripts can run, the cli-anything-eth2-quickstart CLI installed, and root or sudo privileges for the installation steps. Because it runs scripts and uses the network, only use it on a machine you own or fully control.
Is the eth2-quickstart skill free to use?
The source gives the licence as Apache-2.0 for the item. It does not state any price, so check the licence text in the repository for the terms that apply.
Will the skill generate or import my validator keys?
No. The skill forbids generating validator keys and does not remove secrets or wallet material. The configure-validator command only handles fee recipient and graffiti metadata and operator guidance, so key management must be done separately.
Why does the agent keep asking me to confirm?
The skill requires human confirmation before setup-node, install-clients and start-rpc, because these change the system. Confirmation is passed to the commands with the --confirm flag. This is a deliberate safety rule, not a fault.
What should I do if the skill cannot find my repo?
The skill looks for the eth2-quickstart checkout using the --repo-root option, then the ETH2QS_REPO_ROOT environment variable, then the current working directory. Pass --repo-root or set ETH2QS_REPO_ROOT to the path of your checkout.
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Our verdict
Use this skill if you are setting up a fresh Ethereum node host, already use eth2-quickstart, or need to change validator fee recipient or graffiti without touching keys, and you are comfortable reviewing each system-changing step. Pick something else if you have little server administration experience, if you expect the skill to manage keys or funds, or if you need to run it on machines you do not control.
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