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MCP server from HttpRunner that exposes UIXT device and browser automation tools for Android, iOS, Harmony, and Web testing through the `hrp mcp-server` command.

Public Streamable-HTTP MCP server for the Metagraphed Bittensor subnet integration registry — discover subnets, check health and economics, read metagraph data, and look up accounts or API surfaces without wallets or signing.

Hosted streamable-HTTP MCP server registered as ai.com.mcp/skills-search that exposes Agent Skills Search API tools for discovering skills from the skills.sh registry using the open Agent Skills format.

Hosted streamable-HTTP MCP server that exposes inference.sh platform tools for running apps, managing tasks, proxying external MCP connectors, and calling hundreds of hosted AI models from Claude Code, Cursor, and other MCP clients.

Official Flutter team Agent Skills for AI coding agents building Flutter apps, fixing layout issues, adding widget and integration tests, creating widget previews, applying layered architecture, routing, localization, JSON serialization, and HTTP workflows.

Connect Claude Code, Codex, Cursor, Windsurf, VS Code, and other MCP clients to Nylas email, calendar, contacts, and Notetaker tools across Gmail, Outlook, Exchange, Yahoo, iCloud, and IMAP accounts.

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 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 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 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 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.

Expert MCP Streamable HTTP migration capability pack applying documented transport selection, SSE-to-HTTP migration checkpoints, timeout policies, and enterprise network review from official MCP and transport specification documentation.

Connect Claude to BorealHost's MCP server for hosting and infrastructure management — 47 tools spanning servers, domains, DNS, SSL, and deployments. Add it remotely with claude mcp add --transport http, or run it locally over stdio via pip install borealhost-mcp with a BOREALHOST_API_KEY.

Inferventis hosted MCP server with 20 financial tools for FX rates, stocks, crypto, news, and URL reading over streamable HTTP, with many free tools and optional premium API keys.

Apache-2.0 agentic proxy that can expose stdio, HTTP, SSE, and Streamable HTTP MCP servers through a managed gateway with federation, OAuth/JWT authentication, RBAC/CEL policy, CORS, TLS, observability, and Kubernetes Gateway API support.

PortSwigger's Burp Suite MCP Server extension connects Burp Suite to MCP clients through an SSE server or packaged stdio proxy for request, Repeater, Intruder, history, scanner, Collaborator, and configuration workflows.

Open-source MCP gateway, registry, and proxy from IBM that federates MCP servers, A2A agents, REST APIs, and gRPC services behind centralized discovery, governance, authentication, observability, and admin controls.

Copy-paste detection MCP server that scans a codebase and lets AI assistants check snippets, inspect duplication statistics, and review current-directory duplication through jscpd's detection engine.

Official Kagi MCP server that gives Claude web, news, video, podcast, image, and page-extraction tools backed by the Kagi Search and Extract APIs.

MCP transport bridge that converts between stdio, SSE, and Streamable HTTP so local MCP clients can reach remote servers, or remote clients can reach local stdio servers.

MIT-licensed MCP proxy server that aggregates multiple downstream MCP servers behind one HTTP service, exposing each configured server through SSE or Streamable HTTP endpoints with auth tokens and tool filtering.

Hosted Google Calendar MCP server that lets compatible AI clients read, create, update, delete, search, and batch-edit calendar events through an HTTP endpoint and API-key authentication.

Self-hostable deep research app with MCP and SSE APIs for generating multi-step research reports using configurable LLM and search providers.

MCP-to-OpenAPI proxy server that wraps MCP servers and exposes their tools as standard HTTP endpoints with generated OpenAPI schemas and docs.

Lightweight Go MCP gateway that turns existing MCP servers and REST APIs into managed SSE or Streamable HTTP MCP endpoints through configuration.

Slash command that runs consumer-driven contract verification for an HTTP API using Pact.

Self-hostable hub that wraps stdio MCP servers as streamable HTTP endpoints via supergateway, so a fleet of Model Context Protocol servers can run on one machine and be reached from any MCP client over the network.

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.