A skill for creating and maintaining `renovate.json`, the configuration file used by Renovate to automate dependency update work. Renovate is a tool that opens update pull requests for project dependencies.

Use it when adding Renovate, debugging its update behavior, sharing settings across repositories, or reviewing dependency-update security configuration.

It helps keep update settings consistent, avoid unnecessary configuration, and address missing or unexpected update pull requests and supply-chain risks.

renovate — Skill for Claude Code and Codex by alunduil

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.

Any agent

npx skills add alunduil/alunduil-chezmoi --skill renovate

Clone the repo

git clone --depth 1 https://github.com/alunduil/alunduil-chezmoi

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/alunduil/alunduil-chezmoi/renovate/github.svg)](https://agentmods.dev/skills/alunduil/alunduil-chezmoi/renovate)

Your own site

<a href="https://agentmods.dev/skills/alunduil/alunduil-chezmoi/renovate"><img src="https://agentmods.dev/badge/skills/alunduil/alunduil-chezmoi/renovate/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/alunduil/alunduil-chezmoi/renovate"><img src="https://agentmods.dev/badge/skills/alunduil/alunduil-chezmoi/renovate.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,374 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00042	$0.03374
Opus 5.5	$0.00017	$0.01350
Sonnet 5.5	$0.00008	$0.00675
Haiku 4.5	$0.00004	$0.00337

Measured 2d ago against content hash db18cf10742d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

renovate scanned grade A with 0 findings 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

dot_claude/skills/renovate/SKILL.md · 171 lines

How it starts

The opening of the file, as written. The whole thing — 171 lines — stays where its author put it; the contents beside it link to each section on GitHub.

A silent stall is a dependency that can never update yet looks current: no PR, no error, no [Updates: ...] on the dashboard.

Defaults

{
  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
  "extends": ["github>alunduil/renovate-config"]
}

Change shared policy in the preset's default.json. A repo's renovate.json adds only its own config beside extends. Renovate's onboarding PR writes the extends line for a new repo.
Omit baseBranchPatterns. Renovate detects it, and it differs per repo (main vs master).
Omit schedule unless a repo wants batching. With a bake period the PR is already delayed, and Renovate's default prHourlyLimit of 2 rate-limits the rest.
packageRules and customManagers are mergeable: true, so preset arrays concatenate with a repo's own rather than replacing them. labels and reviewers are not mergeable — setting them in a repo replaces the inherited value. addLabels merges and appends; labels in a shared preset is dropped wholesale by the first repo setting its own.
labels — default [], so Renovate labels nothing without this. A stale sweep exempting Renovate PRs by label depends on it: closing a Renovate PR tells Renovate the version is unwanted and it will not re-offer it. vulnerabilityAlerts takes no labels.
reviewers — without it, Renovate PRs land silent. Use assignees instead for a creation-time ping with no rebase notifications.
pre-commit: { enabled: true } — opt-in manager; enable unconditionally. No-op without .pre-commit-config.yaml; replaces pre-commit.ci where the file exists.
config:best-practices = config:recommended + docker:pinDigests + helpers:pinGitHubActionDigests + :configMigration + :pinDevDependencies + abandonments:recommended + security:minimumReleaseAgeNpm + :maintainLockFilesWeekly. It does not include OpenSSF scorecard; that is security:openssf-scorecard, which adds a badge column to PR bodies.

Supply-chain hardening

Read the full file on GitHub · 171 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.

2d ago Changed · -8 lines db18cf10742d
24d ago Changed · +14 lines 5ef5c366cfc5
29d ago Changed · +37 lines 94fef3a3d2f5
1mo ago Changed · +12 lines 36f7f5ff0b9d
1mo ago First seen · 116 lines · 42 tokens per session scan A 3bbae19b93f8

Subscribe to this mod's changes

renovate is a skill published in the GitHub repository alunduil/alunduil-chezmoi (2 stars, last pushed today), licensed 0BSD. It adds 42 tokens to every session and 3,374 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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