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Agent skill

Devnet Triage

by geanlabs in geanlabs/gean

Diagnose a live, running lean devnet from its Prometheus and container logs, then report findings with proposed fixes and stop for approval.

No licenceAuto-check: warningsDevOps & Cloud

Install Devnet Triage

The automated check flagged lines worth reading first. See the safety section below.

skills CLI
$ npx skills add geanlabs/gean --skill devnet-triage -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install geanlabs/gean devnet-triage --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/geanlabs/gean.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/devnet-triage .claude/skills/devnet-triage && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
devnet-triage
GitHub stars
177
Token cost
~3.7k tokens
SKILL.md length
1,435 words
Files
1
Skills in repo
2
Repo updated
First seen
Licence
None found

At a glance

Diagnose a live, running lean devnet from its Prometheus and container logs, then report findings with proposed fixes and stop for approval.

  • Works in 4 steps: Pick the bundle for the symptom. Emit it… → Read the output. State what it rules in… → Propose a fix with the evidence behind it. → …
  • The user reports a symptom on a running devnet — finality
  • SKILL.md covers The contract, Connection, Traps — read this before… and Bundles, plus 2 more sections
  • Calls curl, docker and ssh

What it does

Devnet Triage is an agent skill from geanlabs/gean. Diagnose a live, running lean devnet from its Prometheus and container logs, then report findings with proposed fixes and stop for approval. Use when the user reports a symptom on a running devnet — finality or justification lagging, the tick loop drifting, memory growing, aggregation producing nothing, nodes flapping sync status — or asks what a live metric reading means. Not for Shadow stress tests.

Its SKILL.md is about 3.7k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in DevOps & Cloud, covering Monitoring and alerting and Load testing. It works with Prometheus, Ethereum and Go. The repository describes itself as: Lean consensus client for Ethereum node operators.

When your agent uses it

  • The user reports a symptom on a running devnet — finality
  • Justification lagging
  • The tick loop drifting
  • Aggregation producing nothing

Example prompts

  • “/devnet-triage”

Requirements

  • Docker

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Pick the bundle for the symptom. Emit it whole — one paste, one output.
  2. Read the output. State what it rules in and what it rules out.
  3. Propose a fix with the evidence behind it.
  4. Stop. No code changes, no commits, no node restarts, no config edits until the user says go.

What it can do on your machine

Read from SKILL.md and the folder at commit bd481e5. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • curl
    • docker
    • ssh

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use curl, docker and ssh, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Devnet Triage loads about 3.7k tokens when it runs. Until then it costs about 105 tokens; SKILL.md has 1,435 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~105
When it runs · the whole SKILL.md, loaded when a task matches
~3.7k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: warnings

The automated check found patterns that need a careful read before installing.

  • WarningMentions a credentials file (SSH keys, cloud or package-manager tokens)SKILL.md:30
    The alias resolves via the user's `~/.ssh/config`, which holds the host, user and key. **Never write

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 1,435 words (~3,689 tokens).

“Diagnose a running devnet by reading metrics and logs, then hand the user findings and a proposed fix.”

— opening of SKILL.md by geanlabs
name
devnet-triage

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/devnet-triage of geanlabs/gean.

Open the folder on GitHubat commit bd481e5

Compare with similar skills

Devnet Triage next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Devnet Triage compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Devnet Triage this skillgeanlabs/gean177—~3.7kAutomated safety check: WarnNone
Golang Samber Hotsamber/cc-skills-golang3.4k—~2kAutomated safety check: PassMIT
Monitoring ExpertJeffallan/claude-skills12k—~1.6kAutomated safety check: PassMIT
Golang Observabilitycontext-labs/whip1.1k1 repos~3.3kAutomated safety check: PassMIT
Golang Benchmarkaiskillstore/marketplace4301 repos~3.4kAutomated safety check: PassMIT
Syncmetapawurb/hotpath-rs1.9k—~1.2kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Devnet Triage

What does Devnet Triage do?

Diagnose a live, running lean devnet from its Prometheus and container logs, then report findings with proposed fixes and stop for approval. Devnet Triage is an agent skill from geanlabs/gean. Diagnose a live, running lean devnet from its Prometheus and container logs, then report findings with proposed fixes and stop for approval.

When should I use Devnet Triage?

Devnet Triage fits situations like: the user reports a symptom on a running devnet — finality; justification lagging; the tick loop drifting; aggregation producing nothing.

How do I install Devnet Triage in Claude Code?

Run `npx skills add geanlabs/gean --skill devnet-triage -a claude-code`. Or copy the skill folder (.agents/skills/devnet-triage in geanlabs/gean) into .claude/skills/devnet-triage in your project. Claude Code loads it when a task matches its description.

How do I install Devnet Triage in Codex?

Run `npx skills add geanlabs/gean --skill devnet-triage -a codex`. Or copy the skill folder (.agents/skills/devnet-triage in geanlabs/gean) into .agents/skills/devnet-triage in your project. Codex loads it when a task matches its description.

Can I use Devnet Triage in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add geanlabs/gean --skill devnet-triage -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/devnet-triage, .gemini/skills/devnet-triage, .github/skills/devnet-triage and .opencode/skills/devnet-triage in your project.

What does Devnet Triage need to run?

Going by SKILL.md and its folder, Devnet Triage needs the command-line tools its instructions call (curl, docker and ssh). Our summary lists: Docker.

Does Devnet Triage access the network?

SKILL.md contains no URLs. Its commands use curl, docker and ssh, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Devnet Triage safe to install?

Our automated static check of SKILL.md flagged 1 warning(s): mentions a credentials file (ssh keys, cloud or package-manager tokens). Read the flagged lines before installing; the check is not a guarantee either way.

What licence does Devnet Triage use?

No licence was found for Devnet Triage or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Devnet Triage use?

About 3.7k tokens (SKILL.md is roughly 15k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Devnet Triage?

Skills that share tags, products or a category with Devnet Triage: Golang Samber Hot (samber/cc-skills-golang, 3.4k stars), Monitoring Expert (Jeffallan/claude-skills, 12k stars), Golang Observability (context-labs/whip, 1.1k stars) and Golang Benchmark (aiskillstore/marketplace, 430 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Devnet Triage?

geanlabs (a GitHub organization) maintains it in geanlabs/gean, which has 177 GitHub stars. The repository holds 2 skills in this directory. The repository was last updated on October 9, 2026.

Source: geanlabs/gean on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.