dependency-update

dependency-update is a skill for Claude Code from lttr/claude-marketplace. It costs 85 tokens per session (3,632 once invoked), scanned A, original, MIT.

A guided process for checking outdated packages, updating safe ones, adapting the code, verifying the result, and opening one pull request. It also has a read-only report mode that makes no changes.

In plain words
What is it for?
Use it for periodic dependency updates, release-note review, compatibility fixes, and a report of proposed updates without changing the repository.
Why use it?
It reduces the manual work and risk of keeping third-party packages current. A pull request leaves the final review and merge decision to a person.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: mentions CLAUDE.md.

Part of the maintenance plugin — 2 skills shipped together

Good fit Use it for periodic dependency updates, release-note review, compatibility fixes, and a report of proposed updates without changing the repository.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/lttr/claude-marketplace/dependency-update
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 lttr/claude-marketplace --skill dependency-update
Clone the repo
git clone --depth 1 https://github.com/lttr/claude-marketplace

Made for: Claude Code.

Or install maintenance, the plugin that ships this one along with the rest of its 2 skills.

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.

agentmods badge for dependency-update

README.md
[![agentmods](https://agentmods.dev/badge/skills/lttr/claude-marketplace/dependency-update/github.svg)](https://agentmods.dev/skills/lttr/claude-marketplace/dependency-update)
Your own site
<a href="https://agentmods.dev/skills/lttr/claude-marketplace/dependency-update"><img src="https://agentmods.dev/badge/skills/lttr/claude-marketplace/dependency-update/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.

agentmods 80×15 button for dependency-update

Your own site · 80×15
<a href="https://agentmods.dev/skills/lttr/claude-marketplace/dependency-update"><img src="https://agentmods.dev/badge/skills/lttr/claude-marketplace/dependency-update.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 85 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,632 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00085 $0.03632
Opus 5.5 $0.00034 $0.01453
Sonnet 5.5 $0.00017 $0.00726
Haiku 4.5 $0.00009 $0.00363

Measured 8d ago against content hash b8e564d2f0b6, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dependency-update 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 8d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/dep-scan.mjs), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

plugins/maintenance/skills/dependency-update/SKILL.md · 291 lines

How it starts

The opening of the file, as written. The whole thing — 291 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Dependency update

One run produces at most one pull request. Apart from the scan script (${CLAUDE_SKILL_DIR}/scripts/dep-scan.mjs), every step here is a judgement call, not a mechanical procedure.

Merging the PR may deploy to production, and nothing is automerged. The goal is therefore a PR a tired human can review honestly in a few minutes, not the largest batch that passes CI.

Dry run (/dependency-update dry-run, or any "dry run" / "just report" phrasing): do §0–§3 strictly read-only — no branch, no install or update, no edit, commit, push, PR, or run note — then print a report and stop. The report covers what you would bump and would not, and why (including the breaking-change evidence for majors), the exact commands §4 would run, the DELETE-WHEN status, and what even a real run could not verify; state up front that nothing was verified. Still read the release notes — the value of a dry run is the reasoning about each update, not the list of versions. Stop conditions from §0 don't stop a dry run; name them in the report and carry on scanning. Do not proceed to §4 unless the user asks in a new message.

What this skill does not know

This skill carries the procedure. It does not carry any project's specifics, and it should not be edited to. Before §0, learn them from where that project already enforces them:

  • A project skill wrapping this one, if there is one. A repo with real toolchain constraints is better served by its own skill (nuxt-deps-update and the like) that names the run's additional rules and then defers here for the procedure. When you were invoked through such a skill, its rules win over every default below.
  • The workspace config itself — pnpm-workspace.yaml, the root package.json. Comments at the point of enforcement are the most reliable source a repo has, because the person editing the pin reads them.
  • The repo's CLAUDE.md — especially its verification and shipping sections.

Where none of them answers, use the defaults named below, and say in the PR body which defaults you had to assume.

Read the full file on GitHub · 291 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 8d ago Changed · -1 lines b8e564d2f0b6
  2. 20d ago First seen · 292 lines · 85 tokens per session scan A 7f4f0d72f2de

Subscribe to this mod's changes

dependency-update is a skill published in the GitHub repository lttr/claude-marketplace (2 stars, last pushed 7d ago), licensed MIT. It adds 85 tokens to every session and 3,632 once invoked, about $0.0003 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 2026-09-23.

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