Plugin Apache-2.0
Math Olympiad
by Anthropic
Solves competition math (IMO, Putnam, USAMO) with context-isolated adversarial proof verification.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Skills · plugins · MCP · rules114 official
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Skill · 19Reusable instructions and scripts the agent loads for a taskAlgorithmic Art, brand-guidelines, Canvas Design…
Plugin · 42Bundles of skills, commands, hooks and agentsAgent SDK Development Plugin, C# LSP, clangd LSP…
MCP server · 49Connect the agent to tools, data and servicesApify MCP Server, Atlassian Rovo MCP Server, AWS API MCP Server…
Rules & instructions · 6Project instructions the agent reads every sessionAGENTS.md, CLAUDE.md, Cursor Rules…
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Plugin Apache-2.0
Math Proof
by Anthropic
Two skills for research-level math: solo (single session) and siege (hours of judge and worker sub-agents), ending in proof.md.
- Does
- 5 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
MCP Server Dev
by Anthropic
Three skills for designing and building MCP servers: remote HTTP, MCP apps with UI widgets, and MCPB packaging.
- Does
- 5 things
- Install
- 3 steps
- Works with
- Claude Code
Plugin Apache-2.0
MCP Tunnels
by Anthropic
Walks you through connecting Claude to a private MCP server via an Anthropic MCP tunnel using Docker Compose.
- Does
- 6 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
PHP LSP (Intelephense)
by Anthropic
PHP (Intelephense) language server for Claude Code: code intelligence and diagnostics for .php files.
- Does
- 3 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
Playground
by Anthropic
Creates self-contained HTML playgrounds with controls, live preview and a copyable prompt output.
- Does
- 5 things
- Install
- 3 steps
- Works with
- Claude Code
Plugin Apache-2.0
plugin-dev
by Anthropic
Toolkit with 7 skills and /plugin-dev:create-plugin for building Claude Code plugins.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
pr-review-toolkit
by Anthropic
Six review agents: comments, tests, error handling, type design, code quality, simplification.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
Project Artifact
by Anthropic
Builds and publishes a living tabbed status page for a multi-workstream project, refreshed to the same URL.
- Does
- 5 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
Pyright LSP
by Anthropic
Python (Pyright) language server for Claude Code: code intelligence and diagnostics for .py files.
- Does
- 3 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
ralph-loop
by Anthropic
Self-referential loops via a Stop hook: same prompt repeated until a completion promise.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
rust-analyzer LSP
by Anthropic
Rust language server for Claude Code: code intelligence and diagnostics for .rs files.
- Does
- 3 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
security-guidance
by Anthropic
Security review for Claude-written code: pattern warnings, LLM diff review on Stop, agentic commit review.
- Does
- 4 things
- Install
- 4 steps
- Works with
- Claude Code
Plugin Apache-2.0
Session Report
by Anthropic
Generates an explorable HTML report of Claude Code token, cache and subagent usage from local transcripts.
- Does
- 5 things
- Install
- 3 steps
- Works with
- Claude Code
Plugin Apache-2.0
Swift LSP (SourceKit-LSP)
by Anthropic
Swift (SourceKit-LSP) language server for Claude Code: code intelligence and diagnostics for .swift files.
- Does
- 3 things
- Install
- 5 steps
- Works with
- Claude Code
Plugin Apache-2.0
TypeScript LSP
by Anthropic
TypeScript/JavaScript language server for Claude Code: code intelligence and diagnostics for .ts files.
- Does
- 3 things
- Install
- 4 steps
- Works with
- Claude Code