MCP Servers · anthropics

claude-plugins-official

Claude Plugins Official is Anthropic's curated marketplace directory for Claude Code plugins, containing both Anthropic-maintained and community-contributed plugins. Users can discover, install, and manage plugins to extend Claude Code functionality across development, integration, and automation tasks.

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Source: GitHub — github.com/anthropics/claude-plugins-official

31.8k

GitHub stars

3.5k

Forks

Python

Primary language

Apache-2.0

License (OSI-approved)

Key facts

Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.

Field	Value
Repository	anthropics/claude-plugins-official
Owner	anthropics
Primary language	Python
License	Apache-2.0 — OSI-approved
Stars	31.8k
Forks	3.5k
Open issues	794
Latest release	Unknown
Last updated	2026-07-08
Source	https://github.com/anthropics/claude-plugins-official

What claude-plugins-official is

A Python-based plugin registry supporting MCP servers, skills, slash commands, and agent definitions. Plugins follow a standardized directory structure with plugin.json metadata and optional MCP configuration; the marketplace supports git-based sourcing, immutable plugin names with rename migration via renames map, and skill-bundle plugins that expose SKILL.md files as Claude Code skills.

Quickstart

Get the claude-plugins-official source

Clone the repository and explore it locally.

terminalbash

1git clone https://github.com/anthropics/claude-plugins-official.git2cd claude-plugins-official3# follow the project's README for install & configuration

Need it deployed, integrated, or customized instead? DEV.co ships production installs.

Best use cases

Extending Claude Code Capabilities

Teams using Claude Code can install plugins to add domain-specific tools, integrations, and automation skills without modifying core Claude Code, enabling rapid extension of AI-assisted development workflows.

Building and Publishing Developer Plugins

Third-party developers and partners can create and submit plugins to reach the Claude Code user base; the structured plugin system and submission process (via plugin-directory-submission form) provide a path to distribution and monetization.

Skill Bundling and Curation

Organizations can package reusable skills, MCP integrations, and custom commands as plugins, then publish them as skill bundles for internal or external teams to consume via the marketplace.

Implementation considerations

Establish a plugin trust and security review process before installing community or external plugins, as Anthropic explicitly disclaims verification responsibility.
Plan for plugin name immutability: once published, plugin names cannot change without migration mapping. Reserve time for naming review during development.
Implement skill-bundling strategy early: decide whether to use strict mode (with plugin.json) or loose mode (direct SKILL.md files) based on your maintenance model.
Monitor marketplace.json renames map and plugin deprecation notices to catch breaking changes to installed plugins; use CI/CD hooks to validate plugin compatibility during updates.
Design MCP server configurations (.mcp.json) with clear permissions and resource constraints to limit blast radius of compromised or buggy plugins.

When to avoid it — and what to weigh

Strict Supply-Chain Security Requirements — The README explicitly warns that Anthropic does not verify or control MCP servers, files, or software included in plugins. Teams with strict third-party software vetting policies will need manual review for each plugin before deployment.
No Official Release Versioning — The repository shows no formal release tags (latestRelease: n/a). Plugin versioning and breaking-change communication rely on individual plugin maintainers, creating potential upgrade risk if not carefully managed.
Immature or Rapidly Evolving Ecosystem — Created November 2025 with 794 open issues and high fork count, the ecosystem is nascent. Production teams should expect ongoing changes to plugin format, marketplace policies, and integration points; pilot testing is essential.
Closed Source or Proprietary Plugin Ecosystems — The directory focuses on open, discoverable plugins. If your organization requires private, off-registry plugins or vendor lock-in, this marketplace model is not designed to support that constraint.

License & commercial use

The claude-plugins-official repository itself is licensed under Apache License 2.0 (Apache-2.0), a permissive OSI-approved license. However, individual plugins may have different licenses; users must review the LICENSE file in each plugin's repository or source directory.

Apache-2.0 permits commercial use, modification, and distribution with attribution and liability disclaimer. This license covers the marketplace directory and framework. Individual plugins may impose additional restrictions; review each plugin's license before commercial deployment. Anthropic's disclaimer that it does not verify or control plugins means you assume risk for any third-party software included in plugins you install commercially.

DEV.co evaluation signals

Editorial assessment — not user reviews. Directional, with an explicit confidence level.

Signal	Assessment
Maintenance	Active
Documentation	Adequate
License clarity	Clear
Deployment complexity	Moderate
DEV.co fit	Strong
Assessment confidence	High

Security considerations

Anthropic explicitly does not verify, control, or endorse MCP servers and software bundled in plugins. Plugins run in Claude Code context and may access files, external APIs, and system resources. Implement code review for external plugins, sandbox untrusted plugins when possible, and audit MCP server permissions before deployment. No mention of signed plugins, attestation, or vulnerability disclosure process; assess third-party plugin provenance and maintenance status independently.

Alternatives to consider

LangChain Tool Marketplace / LangChain Hub

For teams already using LangChain, the Tool Marketplace offers agent tools and chains with broader Python ecosystem integration; however, it is tightly coupled to LangChain and lacks Claude Code-specific optimizations.

OpenAI GPT Actions / Custom GPTs

OpenAI's Actions and custom GPT ecosystem allows similar plugin-style extensions, but is proprietary to the OpenAI platform and less developer-friendly for programmatic plugin creation and distribution.

Internal Plugin Development (No Marketplace)

Teams can build and host custom Claude Code plugins in-house without relying on a marketplace, trading discoverability and community contribution for full control over security, versioning, and lifecycle.

Software development agency

Build on claude-plugins-official with DEV.co software developers

Browse the official plugin directory, install extensions via Claude Code, or submit your own plugin to reach developers worldwide. Start building today.

Talk to DEV.co

Related open-source tools

Surfaced by semantic similarity across the DEV.co open-source index.

claude-code-plugins-plus-skills everything-claude-code-zh buildwithclaude

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claude-plugins-official FAQ

Can I use plugins commercially in my product or service?

The marketplace itself (Apache-2.0) allows commercial use. However, each individual plugin has its own license and terms; review each plugin's LICENSE file. Anthropic does not verify or control plugin contents, so you assume risk. Verify licensing compliance for each plugin before commercial deployment.

How do I submit a plugin to the marketplace?

Use the plugin directory submission form at https://clau.de/plugin-directory-submission. External plugins must meet Anthropic's quality and security standards for approval. Internal plugins are developed by Anthropic team members; see /plugins/example-plugin for reference.

What happens if I rename a published plugin?

Plugin names are immutable to avoid breaking existing user installations. If renaming is unavoidable, add an entry to the renames map in .claude-plugin/marketplace.json; Claude Code will transparently migrate the old slug to the new one on the user's next sync.

Are plugins security-verified by Anthropic?

No. Anthropic explicitly disclaims responsibility for verifying MCP servers, files, or other software in plugins. You must independently review plugin source code, maintainer reputation, and dependencies before installation and use. Treat community plugins as third-party code.

Custom software development services

DEV.co is a software development agency delivering custom software development services to companies building on open source. Our software developers and web developers design, integrate, and ship production systems — spanning web development, APIs, AI, data, and cloud. If claude-plugins-official is part of your mcp servers roadmap, our team can implement, customize, migrate, and maintain it.

Get Started with Claude Code Plugins

Browse the official plugin directory, install extensions via Claude Code, or submit your own plugin to reach developers worldwide. Start building today.

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