Claude Code Plugins Directory is a marketplace containing plugins for Claude Code, including tools, commands, skills, agents, hooks, and model context servers. Claude Code users browse it to install Anthropic-maintained or approved third-party extensions.
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.
npx skills add anthropics/claude-plugins-official --skill project-artifactgit clone --depth 1 https://github.com/anthropics/claude-plugins-officialWrote 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.
[](https://agentmods.dev/skills/anthropics/claude-plugins-official/project-artifact)<a href="https://agentmods.dev/skills/anthropics/claude-plugins-official/project-artifact"><img src="https://agentmods.dev/badge/skills/anthropics/claude-plugins-official/project-artifact.svg" alt="Measured on agentmods" height="20"></a>- Socket pass
- Snyk warn
- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 43 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00202 | $0.04900 |
| Opus 5 | $0.00101 | $0.02450 |
| Sonnet 5 | $0.00040 | $0.00980 |
| Haiku 4.5 | $0.00020 | $0.00490 |
Grade A, and why
project-artifact 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 5d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- project-artifact — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 262 lines — stays where its author put it; the contents beside it link to each section on GitHub.
project-artifact — an opinionated project status page
This skill produces one specific kind of artifact: a tabbed status page that represents a
project too big for one update — a software migration, a research effort, a launch, an org
initiative; anything with a set of parallel/dependent workstreams tracked over time. It
generates the HTML (one file, self-contained — the Artifact CSP blocks all external hosts,
so everything is inlined; the only <script> is the tab switcher) and publishes it with
the built-in Artifact tool to https://claude.ai/code/artifact/<uuid>. The page is
default-private; the viewer gives the owner a version picker and lets them share it with
teammates. (The general "render any HTML/Markdown to a web page" capability is the built-in
Artifact tool; this is the project-tracker structure on top — defining what an artifact
is belongs to that tool, not here.)
The SWE specifics for PR-driven projects are in swe.md, kept out of this file so the
project-artifact structure stays domain-neutral.
Workflow
- Resolve the artifact config, then locate the project. Each project gets a directory
at
${CLAUDE_PLUGIN_DATA}/artifacts/<slug>/holdingconfig.md(see "The artifact config" below) andpage.html(the current render); listingartifacts/is the registry of this skill's artifacts on this machine (enumerate it with Glob or a directory read — a shell listing of the data dir can be blocked in restricted environments). If the user names a project, load that slug; if exactly one config matches the session (its repo is the cwd, or its project came up in conversation), use it; a config that exists means this is a refresh — follow "Refreshing an artifact" below. No config means a first build: gather from scratch and write the config after the first publish — but if the user says the project already has a published artifact (made on another machine or in a lost session), get that URL and record it instead of minting a new one. Then collect the source material: the goal, the set of workstreams (PRs, milestones, sub-projects, tasks), owners, dates, and any sibling docs (design doc, plan, spec). Pull whatever the domain gives you cheaply — always live, never from memory or earlier turns — for software that'sgh pr list/git log/gh pr view(seeswe.md); for other domains it's the project doc, a tracker, a spreadsheet, your own notes. If the source is itself an existingclaude.ai/code/artifact/...page to reshape, fetch it — see "Reading an existing artifact page" below. Don't ask the user to paste content or hand you a local file as a substitute for fetching it yourself.
What ships with it
2 files 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.
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.
- 5d ago First seen · 262 lines · 202 tokens per session scan A 34e13249dba8
project-artifact is a skill published in the GitHub repository anthropics/claude-plugins-official (36,026 stars, last pushed yesterday), licensed Apache-2.0. It adds 202 tokens to every session and 4,900 once invoked, about $0.0010 per session on Opus 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 2026-09-03.
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