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cpv-add-dependency

cpv-add-dependency is a skill for Claude Code from Emasoft/claude-plugins-validation. It costs 64 tokens per session (1,057 once invoked), scanned A, original, MIT.

A tool for adding dependency entries to a plugin's plugin.json file. A dependency is another plugin or package that the target plugin needs.

In plain words
What is it for?
Use it to add explicit dependencies or copy dependencies from another plugin. It supports local plugins and, for some inputs, GitHub sources.
Why use it?
It previews the change, writes it safely, validates the result, and can roll back if the change introduces serious problems.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: mentions .claude-plugin.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the claude-plugins-validation plugin — 52 skills, 14 commands, 14 agents shipped together

not rated 4repo 3d ago A scan 64 tokens original MIT

Good fit Use it to add explicit dependencies or copy dependencies from another plugin. It supports local plugins and, for some inputs, GitHub sources.

Compare 6 skills from other repositories ↓
View source ↗ Emasoft/claude-plugins-validation
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add Emasoft/claude-plugins-validation
Claude Code
/plugin install claude-plugins-validation

Made for: Claude Code.

Or install claude-plugins-validation, the plugin that ships this one along with the rest of its 52 skills, 14 commands, 14 agents.

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 cpv-add-dependency

README.md
[![agentmods](https://agentmods.dev/badge/skills/emasoft/claude-plugins-validation/cpv-add-dependency/github.svg)](https://agentmods.dev/skills/emasoft/claude-plugins-validation/cpv-add-dependency)
Your own site
<a href="https://agentmods.dev/skills/emasoft/claude-plugins-validation/cpv-add-dependency"><img src="https://agentmods.dev/badge/skills/emasoft/claude-plugins-validation/cpv-add-dependency/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 cpv-add-dependency

Your own site · 80×15
<a href="https://agentmods.dev/skills/emasoft/claude-plugins-validation/cpv-add-dependency"><img src="https://agentmods.dev/badge/skills/emasoft/claude-plugins-validation/cpv-add-dependency.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,057 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 $0.00064 $0.01057
Opus 5.5 $0.00026 $0.00423
Sonnet 5.5 $0.00013 $0.00211
Haiku 4.5 $0.00006 $0.00106

Measured 1mo ago against content hash 02ce9114a6cf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cpv-add-dependency 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 1mo 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.

skills/cpv-add-dependency/SKILL.md · 78 lines

How it starts

The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.

cpv-add-dependency

Overview

Adds one or more plugin dependencies to a target plugin's plugin.json::dependencies array. Two input modes that can be combined; the engine deduplicates by name (last-write-wins), sorts the result alphabetically, writes atomically, and rolls back from a .bak if the post-write validation introduces any new CRITICAL/MAJOR finding. Loaded dynamically via cpv-the-skills-menu, reached via the Create → Add dependencies menu branch.

Prerequisites

  • uv on PATH
  • Target plugin path with .claude-plugin/plugin.json
  • For --from git URLs: network access and git on PATH
  • For cross-marketplace deps: the hosting marketplace's marketplace.json::allowCrossMarketplaceDependenciesOn allowlist updated

Instructions

  1. Always start with --dry-run to preview the diff against plugin.json.
  2. Choose --add (explicit specs) and/or --from (copy from another plugin).
  3. Use kebab-case names; versions accept any semver-range expression (~1.2.0, ^2.0, >=1.4).
  4. Run the real invocation; the script writes atomically (tmp + rename) and re-runs validate_plugin --strict.
  5. If exit code is 3 (rollback), inspect the diff, narrow the spec, and re-try.
  6. For unversioned bare-string adds, validate_plugin --strict emits a WARNING that the dependency auto-tracks the latest upstream tag. The only valid resolution is to pin a semver range (name@@~1.2.0); there is no config opt-out (cpv.allow_unversioned_dependencies was removed in TRDD-02e1672b and is now ignored with a [RC-DEPRECATED-OPTOUT] deprecation WARNING if present).

Copy this checklist and track your progress:

  • Dry-run reviewed
  • Explicit specs or --from source confirmed
  • Real invocation run
  • Exit code 0 (or 3 → analyze rollback reason)
  • validate_plugin --strict re-run on target

Output

  • Updated plugin.json::dependencies array, sorted alphabetically, deduplicated by name.
  • Atomic write via tmp + rename.
  • .bak left next to plugin.json after a successful update so a human can roll back manually if needed.
  • Exit code 0 on success, 1 on bad args, 2 on --from source unreadable, 3 on rollback after regression, 4 on atomic-write failure.

Read the full file on GitHub · 78 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. 1mo ago First seen · 78 lines · 64 tokens per session scan A 02ce9114a6cf

Subscribe to this mod's changes

cpv-add-dependency is a skill published in the GitHub repository Emasoft/claude-plugins-validation (4 stars, last pushed 3d ago), licensed MIT. It adds 64 tokens to every session and 1,057 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 2026-08-31.

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