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Agent skill

Chaos Iter

by celeriant in celeriant/celeriant-db

Delegate one rpi-cluster chaos iteration and summarize integrity and replication metrics during data-loss or failover investigations.

Apache-2.0Auto-check passedDatabases

Install Chaos Iter

skills CLI
$ npx skills add celeriant/celeriant-db --skill chaos-iter -a claude-code

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

GitHub CLI
$ gh skill install celeriant/celeriant-db chaos-iter --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/celeriant/celeriant-db.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/chaos-iter .claude/skills/chaos-iter && 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
chaos-iter
GitHub stars
114
Token cost
~422 tokens
SKILL.md length
135 words
Files
1
Skills in repo
13
Repo updated
First seen
Licence
Apache-2.0

At a glance

Delegate one rpi-cluster chaos iteration and summarize integrity and replication metrics during data-loss or failover investigations.

  • Works in 3 steps: Run from the repository root with a… → Capture the exit status and announced… → Report fewer than 200 words containing
  • Tasks that involve Backup and disaster recovery
  • Calls bash

What it does

Chaos Iter is an agent skill from celeriant/celeriant-db. Delegate one rpi-cluster chaos iteration and summarize integrity and replication metrics during data-loss or failover investigations.

Its SKILL.md is about 420 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 Databases, covering Backup and disaster recovery. The repository describes itself as: Fast, distributed per-aggregate event log with strict ordering and optimistic concurrency control. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Backup and disaster recovery

Example prompts

  • “/chaos-iter”

Workflow steps

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

  1. Run from the repository root with a 600-second timeout
  2. Capture the exit status and announced run directory. Read /.json; use /harness.log for failures. Do not substitute an older run if output…
  3. Report fewer than 200 words containing

What it can do on your machine

Read from SKILL.md and the folder at commit d071a6d. 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:

    • bash

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

  • Network

    No URLs in SKILL.md.

    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

Chaos Iter loads about 422 tokens when it runs. Until then it costs about 36 tokens; SKILL.md has 135 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~36
When it runs · the whole SKILL.md, loaded when a task matches
~422

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 passed

The automated check found no risky patterns in SKILL.md.

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

The full file from celeriant/celeriant-db at commit d071a6d, republished under its Apache-2.0 licence (© celeriant). 135 words, ~422 tokens.

Download SKILL.mdSave it as .claude/skills/chaos-iter/SKILL.md (or your agent's skills folder).
name
chaos-iter
description
Delegate one rpi-cluster chaos iteration and summarize integrity and replication metrics during data-loss or failover investigations.

Run one chaos iteration

Use the full harness output for setup or harness debugging. Use --soak <secs> for continuous runs.

Dispatch a general-purpose agent synchronously with the scenario, task count, repository path, and these instructions:

  1. Run from the repository root with a 600-second timeout:

    bash
    bash deploy/rpi-cluster/chaos.sh --scenario <SCENARIO> --tasks <TASKS>

  2. Capture the exit status and announced run directory. Read <run_dir>/<SCENARIO>.json; use <run_dir>/harness.log for failures. Do not substitute an older run if output is missing.

  3. Report fewer than 200 words containing:

    • Run directory, exit status, and any timeout or missing output.
    • Integrity: tasks_audited, tasks_with_gaps, total_missing_acks, tasks_unreadable.
    • Deep audit: aggregates_inspected, aggregates_with_duplicates, aggregates_unreadable; count FP entries where present_count >= max_acked && missing_seqs == [], and REAL entries otherwise.
    • Per-host counters from each host's last ok=true sample: cs1=192.168.88.214, cs2=192.168.88.213.

Extract these counters:

text
writes_total
rollbacks_total
cache_recent_write_hits_total
aggregate_details_snapshot_lag_total
write_validate_loop_crossed_rollback_total
write_rolled_back_pre_replicate_total
write_rolled_back_during_replicate_total
capture_dropped_items_total
fsync_capture_no_capture_race_total

Mark unavailable fields as missing. Omit sample streams, bench logs, and full audit entries.

© celeriant, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .claude/skills/chaos-iter of celeriant/celeriant-db.

Open the folder on GitHubat commit d071a6d

Compare with similar skills

Chaos Iter 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.

Chaos Iter compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Chaos Iter this skillceleriant/celeriant-db114—~422Automated safety check: PassApache-2.0
Mg Railway DB Backupmodelguide/modelguide108—~534Automated safety check: PassMIT
Mongodb Replica SetsTheDecipherist/claude-code-mastery-project-starter-kit338—~1.6kAutomated safety check: PassMIT
Database Backupssickn33/agentic-awesome-skills47k2 repos~3.1kAutomated safety check: NotesMIT
GCP Cloud SQLsickn33/agentic-awesome-skills47k2 repos~2.4kAutomated safety check: PassMIT
Postgresql Devsecsickn33/agentic-awesome-skills47k2 repos~2.5kAutomated safety check: NotesMIT

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Categories

Questions about Chaos Iter

What does Chaos Iter do?

Delegate one rpi-cluster chaos iteration and summarize integrity and replication metrics during data-loss or failover investigations. Chaos Iter is an agent skill from celeriant/celeriant-db. Delegate one rpi-cluster chaos iteration and summarize integrity and replication metrics during data-loss or failover investigations.

When should I use Chaos Iter?

Chaos Iter fits situations like: tasks that involve Backup and disaster recovery.

How do I install Chaos Iter in Claude Code?

Run `npx skills add celeriant/celeriant-db --skill chaos-iter -a claude-code`. Or copy the skill folder (.claude/skills/chaos-iter in celeriant/celeriant-db) into .claude/skills/chaos-iter in your project. Claude Code loads it when a task matches its description.

How do I install Chaos Iter in Codex?

Run `npx skills add celeriant/celeriant-db --skill chaos-iter -a codex`. Or copy the skill folder (.claude/skills/chaos-iter in celeriant/celeriant-db) into .agents/skills/chaos-iter in your project. Codex loads it when a task matches its description.

Can I use Chaos Iter 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 celeriant/celeriant-db --skill chaos-iter -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/chaos-iter, .gemini/skills/chaos-iter, .github/skills/chaos-iter and .opencode/skills/chaos-iter in your project.

What does Chaos Iter need to run?

Going by SKILL.md and its folder, Chaos Iter needs the command-line tools its instructions call (bash).

Does Chaos Iter access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Chaos Iter safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Chaos Iter use?

Chaos Iter is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Chaos Iter use?

About 422 tokens (SKILL.md is roughly 1.7k 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 Chaos Iter?

Skills that share tags, products or a category with Chaos Iter: Mg Railway DB Backup (modelguide/modelguide, 108 stars), Mongodb Replica Sets (TheDecipherist/claude-code-mastery-project-starter-kit, 338 stars), Database Backups (sickn33/agentic-awesome-skills, 47k stars) and GCP Cloud SQL (sickn33/agentic-awesome-skills, 47k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Chaos Iter?

celeriant (a GitHub organization) maintains it in celeriant/celeriant-db, which has 114 GitHub stars. The repository holds 13 skills in this directory. The repository was last updated on September 28, 2026.

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