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Structured optimization workflow for PageSpeed Insights and Lighthouse that improves Core Web Vitals without changing UI/UX.

Official AWS Labs MCP server that exposes selected AWS Lambda functions as MCP tools without code changes, letting AI assistants invoke your allowlisted functions to reach private resources, databases, and internal applications.

Access the entire Harness.io DevOps platform from Claude — CI/CD pipelines, GitOps, feature flags, cloud cost, security testing, chaos engineering, and more — through 11 consolidated tools covering 216 resource types across 36 toolsets, with 32 built-in prompt templates.

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.

Agent Skill from mcp-use for building production MCP servers and MCP Apps with tools, resources, prompts, widgets, authentication, deployment, inspector testing, and framework-specific guardrails.

Official Python SDK for Model Context Protocol clients and servers, published as the `mcp` package on PyPI, with FastMCP server helpers, client support, tools, resources, prompts, stdio, SSE, Streamable HTTP, authentication, elicitation, sampling, logging, and standalone development tools.

Official Ruby SDK for Model Context Protocol clients and servers, published as the `mcp` gem with JSON-RPC handling, tool, prompt, and resource registration, stdio and Streamable HTTP transports, Rack/Rails integration, roots, sampling, elicitation, logging, cancellation, pagination, and RubyGems metadata.

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 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.

Argo Project Labs MCP server for connecting Claude to Argo CD applications, clusters, managed resources, workload logs, events, sync operations, and resource actions through stdio or HTTP stream transports.

Official data.gouv.fr MCP server for searching French national open datasets, exploring organizations and data services, inspecting resources, querying tabular data, and retrieving dataset metrics through Claude.

Microsoft-maintained MCP server for converting HTTP, HTTPS, file, and data URIs into Markdown through the MarkItDown document-conversion library.

Official StarRocks MCP server for SQL execution, database exploration, StarRocks resource templates, system information, table/database overviews, and Plotly chart generation.

Official Yuque MCP server that connects Claude to Yuque knowledge bases for user lookup, search, books, documents, notes, resources, and table-of-contents workflows, including read, create, and update tools over stdio with personal or group API tokens.

Official Postman MCP Server for connecting Claude, Codex, Cursor, VS Code, Gemini CLI, and other MCP clients to Postman workspaces, collections, specifications, mocks, monitors, environments, API definitions, and code generation workflows.

Connect Claude to Supabase projects through the official MCP server with project scoping, read-only mode, and feature-group controls.

Cleans up temporary files, caches, and resources when Claude session ends. This Stop hook provides comprehensive environment cleanup for development projects, automatically removing temporary files, build artifacts, cache directories, and system-specific files across multiple platforms.

An agent persona for authoring Claude Agent Skills: structured SKILL.md files with name and description frontmatter, progressively disclosed instructions, and bundled scripts the model loads on demand.

A Stop hook that terminates lingering database connections when a Claude Code session ends — via PostgreSQL pg_terminate_backend, MySQL KILL, Redis CLIENT KILL, and MongoDB connection cleanup.

Monitors memory usage and alerts when thresholds are exceeded.

Add or maintain Auth.js authentication in a Next.js app with next-auth, auth.ts, route handlers, providers, sessions, adapters, protected resources, proxy or middleware behavior, deployment configuration, and migration review.

Official Microsoft Azure MCP server that connects Claude and other MCP clients to Azure subscriptions, resource groups, storage, databases, Key Vault, Monitor, App Service, AKS, AI Search, Cosmos DB, RBAC, pricing, and other Azure services through local stdio or self-hosted HTTP transports.

Expert FastMCP review skill for auditing Python MCP server structure, tools, resources, prompts, transports, and deployment readiness before release.

Official AWS Labs MCP server for Amazon ECS that helps AI assistants containerize applications, deploy them to ECS, troubleshoot deployments, and explore ECS and ECR resources across the container application lifecycle.

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.

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 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.

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.

MIT-licensed Go CLI for syncing AI agent skills, agents, rules, commands, prompts, and other file-based resources across Codex, Claude Code, OpenClaw, Cursor, Windsurf, Gemini-style targets, and dozens of other AI CLI tools.