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PostToolUse hook that watches dependency manifest and lockfile edits, then prompts or runs an OSS Review Toolkit dependency license analysis.

Expert Unraid Community Apps template capability pack for source-backed XML metadata, safer defaults, and CA submission readiness.

Turn CSV, JSON, or Excel data into publication-ready charts with Python: load it with pandas and render bar, line, scatter, and statistical plots in matplotlib (with seaborn styling), then export high-DPI PNG or SVG.

Clean, filter, join, pivot, and export CSV/XLSX data reliably with reproducible steps. Transform messy spreadsheets into production-ready datasets with pandas. Handle encoding issues, data type conversion, missing values, duplicates, and complex merges.

Fill templated DOCX with data to produce reports, invoices, and formatted documents. Generate professional Word documents programmatically with python-docx or use Jinja2 templates with docxtpl for dynamic content insertion. Support tables, images, headers, footers, and custom styling.

Explore and script against REST APIs with comprehensive authentication support (API keys, OAuth 2.0, JWT Bearer tokens, Basic Auth), pagination utilities (cursor-based, offset-based, page-based), retry logic with exponential backoff and jitter, error handling for HTTP status codes, rate limiting with Retry-After hea...

Access designs, export assets, and interact with Figma files through Claude

Open-source Python framework for building real-time voice and multimodal conversational agents, orchestrating speech-to-text, LLM, text-to-speech, voice activity detection, and transports as a composable pipeline with pluggable providers.

Open-source library for fast, memory-efficient fine-tuning, reinforcement learning, and training of open LLMs — train 500+ models up to 2x faster with up to 70% less VRAM and no accuracy loss, with LoRA/QLoRA support and export to GGUF, safetensors, vLLM, and Ollama.

Open-source AI gateway from Portkey for routing to 1600+ LLMs through one OpenAI-compatible API, with automatic retries, fallbacks, load balancing, conditional routing, guardrails, caching, and observability, self-hostable via npx, Docker, or edge deployments.

The official Paddle MCP server (@paddle/paddle-mcp) that lets AI assistants work with Paddle Billing — managing the product catalog, prices, and discounts, customers and businesses, subscriptions, transactions and adjustments, and financial reports — over the Paddle API, with sandbox or production environments and a read-only / non-destructive / all tool-permission filter.

The official Xero MCP server (@xeroapi/xero-mcp-server) that lets AI assistants work with a Xero accounting organisation — managing contacts, chart of accounts, invoices, credit notes, payments, bank transactions, manual journals, quotes, items, and payroll, and reading financial reports — using Xero OAuth2 custom connections or a bearer token.

Official AWS Labs MCP server for AWS Identity and Access Management that lets AI assistants inspect and manage IAM users, roles, groups, policies, and access keys, with policy simulation and an opt-in read-only mode.

Cross-platform AI desktop client with multiple LLM providers, local model support, 300+ assistants, document and image handling, WebDAV backup, MCP server support, mini programs, and enterprise deployment options.

ByteDance long-horizon super-agent harness for research, coding, creation, subagents, skills, memory, sandboxes, MCP server support, messaging channels, LangGraph workflows, and Docker or local development.

Open-source framework for building realtime voice, video, and multimodal AI agents with LiveKit rooms, STT, LLMs, TTS, job scheduling, telephony, MCP tools, testing, and production deployment paths.

MIT-licensed Go implementation of the Model Context Protocol for building MCP servers and clients with tools, resources, prompts, stdio, SSE, Streamable HTTP, hooks, session management, validation, sampling, roots, and tracing.

Query and explore your Metabase instance from Claude — list dashboards and cards, retrieve and execute saved questions, run SQL queries, export large result sets, and search across all Metabase resources — with the Metabase MCP server optimized for 90% token reduction.

Microsoft open-source Model Context Protocol curriculum with hands-on MCP server, client, security, transport, auth, deployment, Azure, VS Code, Inspector, PostgreSQL, and cross-language examples.

Official C# SDK for Model Context Protocol servers and clients, maintained by the MCP project in collaboration with Microsoft, with NuGet packages for core MCP APIs, hosting and dependency injection extensions, ASP.NET Core HTTP servers, samples, API documentation, and cross-application access support.

Official Go SDK for Model Context Protocol servers and clients, maintained by the MCP project in collaboration with Google, with packages for MCP, JSON-RPC, OAuth primitives, OAuth protected-resource metadata, clients, servers, transports, examples, and conformance work.

Official Java SDK for Model Context Protocol clients and servers, maintained in collaboration with Spring AI, with Java 17+ support, Maven artifacts, synchronous and asynchronous APIs, Reactive Streams, Project Reactor, JDK HttpClient, Servlet transport, JSON binding modules, and conformance tests.

Official Kotlin Multiplatform SDK for Model Context Protocol clients and servers, maintained in collaboration with JetBrains, with JVM, Native, JS, and Wasm targets, coroutine APIs, Gradle artifacts, Ktor integration, stdio, SSE, Streamable HTTP, WebSocket, tools, resources, prompts, sampling, and roots.

Official PHP SDK for Model Context Protocol clients and servers, built with the PHP Foundation and Symfony project, published as `mcp/sdk` on Packagist, with framework-agnostic APIs, attribute discovery, manual registration, stdio and HTTP transports, sessions, tools, resources, prompts, sampling, and logs.

Official Rust SDK for Model Context Protocol clients and servers, published as the `rmcp` crate with tokio async runtime support, server and client features, tool macros, resources, prompts, sampling, roots, logging, completions, notifications, Streamable HTTP, child-process transports, and OAuth support.

Official Swift SDK for Model Context Protocol clients and servers, with Swift Package Manager installation, Swift 6+ support, Apple platform availability, MCP client and server APIs, stdio and HTTP transports, tools, resources, prompts, sampling, authentication, and conformance executables.

Official TypeScript SDK for Model Context Protocol clients and servers, with the production v1 `@modelcontextprotocol/sdk` package, active v2 server and client package work, Node.js, Bun, and Deno support, transports, OAuth helpers, tools, resources, prompts, examples, and API documentation.

Manage Docker and Kubernetes infrastructure from Claude — list environments, inspect containers, manage GitOps workflows, troubleshoot resources, and proxy Docker/K8s API calls — with the official Portainer MCP server generated from the Portainer OpenAPI spec.

Manage production incidents from Claude — create incidents, check on-call schedules, find related past incidents, suggest solutions, track post-mortems, and orchestrate response workflows — with the official Rootly remote MCP server.

MIT-licensed `skills` CLI from Vercel Labs for installing, using, finding, listing, updating, removing, and initializing Agent Skills across Claude Code, Codex, Cursor, OpenCode, OpenClaw, Gemini CLI, GitHub Copilot, Windsurf, Zed, and dozens of other agent hosts.