backups

A workflow for viewing database backups stored in Amazon S3 and optionally restoring one.

In plain words
What is it for?
Use it to list customer backups and restore PostgreSQL or Supabase backups when needed.
Why use it?
It helps recover database state, while taking a safety snapshot before a restore.

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/nometria/claude-code-plugin/backups
Any agent
npx skills add nometria/claude-code-plugin --skill backups
Clone the repo
git clone --depth 1 https://github.com/nometria/claude-code-plugin

Made for: Claude Code, Codex.

Per session 12 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,076 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
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 $0.00012 $0.01076
Opus 5 $0.00006 $0.00538
Sonnet 5 $0.00002 $0.00215
Haiku 4.5 $0.00001 $0.00108

Measured 2d ago against content hash 3cb3e7aa84df, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

backups 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 2d 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.

allowed-tools: Bash(curl:*), Bash(cat:*), Bash(grep:*), Bash(echo:*), Read
skills/backups/SKILL.md · 125 lines

How it starts

The opening of the file, as written. The whole thing — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Database Backups

List the customer's daily Postgres backups (and other DB engines if present) stored in S3 by the daily backup cron. Optionally restore Postgres/Supabase backups via pg_restore --clean --if-exists - with a safety snapshot of the current state taken first.

Step 1: Resolve API token

echo "$NOMETRIA_API_KEY"
echo "$NOMETRIA_TOKEN"
grep -s 'NOMETRIA_API_KEY\|NOMETRIA_TOKEN' .env .env.local 2>/dev/null
cat ~/.nometria/credentials.json 2>/dev/null

If no token: tell the user to run /login. Stop.

Store: TOKEN="<the token>"

Step 2: Identify the app

cat nometria.json 2>/dev/null

If absent, use $ARGUMENTS or list migrations:

curl -s -X POST https://app.nometria.com/listUserMigrations \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $TOKEN" \
  -d '{}'

Store: APP_ID="<app_id>".

Step 3: List backups

curl -s -X POST https://app.nometria.com/getBackups \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $TOKEN" \
  -d "{\"app_id\": \"$APP_ID\"}"

Response shape:

{
  "backups": [
    { "s3_path": "s3://nometria-deploy-backups/myapp/2026/05/18/supabase_2026-05-18T02:00:00Z.dump.gz",
      "kind": "supabase", "ts": "2026-05-18T02:00:00Z", "size_bytes": 1450000, "day": "2026/05/18",
      "filename": "supabase_2026-05-18T02:00:00Z.dump.gz" }
  ],
  "status": "ok",
  "bucket": "nometria-deploy-backups"
}

If status === "no_backups" - tell the user no backups exist yet (daily cron runs at 02:00 UTC) and suggest deploying + waiting until tomorrow morning.

Step 4: Render the list

Display backups newest-first, grouped by date:

2026-05-18
  ✓ supabase   02:00 UTC   1.4 MB   ← latest
  ✓ safety     09:15 UTC   1.4 MB   (pre-restore snapshot)
2026-05-17
  ✓ supabase   02:00 UTC   1.3 MB
2026-05-16
  ✓ supabase   02:00 UTC   1.2 MB

Mark restorable kinds (supabase / postgres / safety) with a tick. Mark non-restorable kinds (appwrite / mysql / mongodb / redis) with "(manual download via S3)".

Read the full file on GitHub · 125 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. 2d ago First seen · 125 lines · 12 tokens per session scan A 3cb3e7aa84df

Subscribe to this mod's changes

backups is a skill published in the GitHub repository nometria/claude-code-plugin (3 stars, last pushed 1mo ago), licensed MIT. It adds 12 tokens to every session and 1,076 once invoked, about $0.0001 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 2026-08-31.

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