claude-code-plugins-plus-skills
Claude Code Plugins Plus Skills is an open-source marketplace of 425+ plugins and 2,810+ skills for Anthropic's Claude Code, distributed via a CLI package manager and web catalog. It provides pre-built integrations, automation patterns, and agent templates validated against an open standard and Claude Code's official specifications.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | jeremylongshore/claude-code-plugins-plus-skills |
| Owner | jeremylongshore |
| Primary language | Python |
| License | MIT — OSI-approved |
| Stars | 2.5k |
| Forks | 354 |
| Open issues | 18 |
| Latest release | @intentsolutionsio/[email protected] (2026-07-08) |
| Last updated | 2026-07-08 |
| Source | https://github.com/jeremylongshore/claude-code-plugins-plus-skills |
What claude-code-plugins-plus-skills is
A curated plugin/skill registry built on a canonical marketplace.json, enforced by spec validators (AgentSkills.io standard + Claude Code plugin/skill references), distributed as npm packages via @intentsolutionsio namespace and installable via ccpi CLI or Claude's /plugin command. Supports both API-forge-generated and hand-authored plugins with production playbooks and multi-agent orchestration patterns.
Get the claude-code-plugins-plus-skills source
Clone the repository and explore it locally.
git clone https://github.com/jeremylongshore/claude-code-plugins-plus-skills.gitcd claude-code-plugins-plus-skills# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- CLI setup: install @intentsolutionsio/ccpi globally; dependencies on Node.js/pnpm and npm registry access required.
- Spec compliance: all plugins validated against AgentSkills.io standard and Claude Code's official specs at merge time; however, post-merge plugin maintenance and compatibility drift with new Claude Code releases not documented.
- Marketplace catalog: markdown-based plugin definitions in marketplace.extended.json; inspect allowed-tools, version, and license fields before installation to verify feature coverage and dependencies.
- Multi-agent cost control: playbooks document cost-capping patterns (token budgets, rate-limit handling), but require explicit implementation in agent initialization; no built-in governor.
- Plugin interdependencies: not clearly documented; test plugin combinations in isolated environments before production rollout to avoid cascading failures.
When to avoid it — and what to weigh
- Non-Anthropic Claude Environment — These plugins are built explicitly for Claude Code and Anthropic's official CLI. Compatibility with Claude.ai web interface, third-party integrations, or competing LLM platforms is not stated and requires review.
- Offline-First or Air-Gapped Deployment — The marketplace is web-hosted (tonsofskills.com) and the CLI requires network access to npm and the catalog. No clear documentation of offline bundling or air-gap compatibility.
- Highly Regulated Industry Compliance — While plugins are MIT-licensed, no SOC 2, HIPAA, FedRAMP, or vendor security attestation is documented. Requires review before deploying in regulated environments (healthcare, finance, government).
- Homogeneous Team Skill Standardization — The marketplace is contributor-driven (30 community contributors documented). Quality consistency, versioning stability, and deprecation policies are not fully described; risk of fragmented skill quality across domains.
License & commercial use
Repository licensed under MIT (permissive OSI license). Individual plugins may carry their own licenses (listed in 8-field frontmatter); verify per-plugin license before bundling for distribution or commercial use.
MIT license permits commercial use, modification, and redistribution with attribution. However, individual plugins distributed via the marketplace may have different licenses; review each plugin's frontmatter (license field). The marketplace itself is open-source; commercial use of the catalog and CLI is permitted under MIT terms, but consulting legal review for enterprise bundling and liability indemnification is prudent.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Strong |
| License clarity | Clear |
| Deployment complexity | Moderate |
| DEV.co fit | Strong |
| Assessment confidence | High |
Plugins execute in Claude Code's context and access external APIs using provided credentials. Catalog enforces spec compliance at merge time (validator prevents malformed/unsigned plugins), reducing supply-chain risk. No documented code signing, vulnerability scanning, or CVE tracking. API credential handling delegated to Claude Code environment; validate that MCP endpoints are using TLS/HTTPS. Recommend security review of high-trust plugins (DevOps, infrastructure, data access) before production deployment. No penetration test or security audit documentation provided.
Alternatives to consider
OpenAI Custom Actions / Zapier AI Actions
If targeting OpenAI's ecosystem; broader SaaS/workflow integration, but locked to OpenAI API and lacks Claude Code's native plugin protocol.
LangChain Community Tools / Composio
General-purpose LLM agent framework with third-party integrations; more language-agnostic and not Claude-specific, but less Claude Code native integration and playbooks.
Manual Claude Code Plugin Development
Full control, custom specs, no marketplace dependency; requires in-house MCP/plugin authoring, testing, and versioning; suitable for unique/proprietary integrations.
Build on claude-code-plugins-plus-skills with DEV.co software developers
Install the ccpi CLI and browse 425+ pre-validated plugins for Claude Code. Reduce integration time from weeks to minutes with forge-generated API plugins and production playbooks.
Talk to DEV.coRelated open-source tools
Surfaced by semantic similarity across the DEV.co open-source index.
Related on DEV.co
Explore the category and the services that help you build with it.
claude-code-plugins-plus-skills FAQ
Will plugins installed from this marketplace work in Claude.ai web interface?
What happens if a plugin is deprecated or removed from the marketplace?
Can I use this in a CI/CD pipeline or Docker container?
Do plugins require internet connectivity to the marketplace at runtime?
Custom software development services
Adopting claude-code-plugins-plus-skills is usually one piece of a larger software development effort. As a software development agency, DEV.co provides software development services and web development expertise — pairing senior software developers and web developers with your team to design, build, and operate mcp servers software in production.
Start Building Multi-Agent Workflows
Install the ccpi CLI and browse 425+ pre-validated plugins for Claude Code. Reduce integration time from weeks to minutes with forge-generated API plugins and production playbooks.