Protocols & Tool Integration
57 agents tracked · Open-source-first, with limited public GitHub comparators · Ranked by trust score · Updated 2026-08-14 15:02 UTC
HVTracker independently evaluates 57 protocols & tool integration using daily signals from GitHub, package registries, and security databases. The category is open-source-first, with a limited set of public GitHub-hosted proprietary or source-available comparators when they are important ecosystem reference points. Each agent is scored on activity, adoption, transparency, safety, and identity. The top-ranked protocols & tool integration is MCP Inspector with a trust score of 89.9/100 (Grade A). Other leading projects include A2A / Agent2Agent Protocol and MCP Apps.
| # | Agent | Trust | Stars | Language |
|---|---|---|---|---|
| 1 | MCP Inspector A Listed Visual testing tool for MCP servers | 89.9 | 10.7k | TypeScript |
| 2 | A2A / Agent2Agent Protocol A Listed Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications. | 89.4 | 25.3k | Shell |
| 3 | MCP Apps A Listed Official repo for spec & SDK of MCP Apps protocol - standard for UIs embedded AI chatbots, served by MCP servers | 86.4 | 2.7k | TypeScript |
| 4 | FastMCP (TypeScript) A Listed A TypeScript framework for building MCP servers. | 86.4 | 3.3k | TypeScript |
| 5 | CLI-Anything A Listed "CLI-Anything: Making ALL Software Agent-Native" -- CLI-Hub: https://clianything.cc/ | 80.0 | 47.1k | Python |
| 6 | mcp-proxy B Listed A bridge between Streamable HTTP and stdio MCP transports | 78.5 | 2.7k | Python |
| 7 | Composio B Listed Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you b | 76.0 | 29.7k | TypeScript |
| 8 | Chrome DevTools MCP B Listed Chrome DevTools for coding agents | 74.6 | 49.2k | TypeScript |
| 9 | mcpc B Listed A universal CLI client for MCP. mcpc supports persistent sessions, stdio/HTTP, OAuth 2.1, tasks, JSON output for code mo | 71.9 | 751 | TypeScript |
| 10 | MCP Python SDK B Listed The official Python SDK for Model Context Protocol servers and clients | 69.4 | 24.0k | Python |
| 11 | MCP C# SDK B Listed The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft. | 68.9 | 4.5k | C# |
| 12 | Context7 B Listed Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors | 68.7 | 60.7k | TypeScript |
| 13 | MCP Registry B Listed A community driven registry service for Model Context Protocol (MCP) servers. | 68.1 | 7.2k | Go |
| 14 | Microsoft MCP Catalog B Listed Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool in | 68.0 | 3.6k | C# |
| 15 | MCP Specification B Listed Specification and documentation for the Model Context Protocol | 67.5 | 9.0k | TypeScript |
| 16 | GitHub MCP Server B Listed GitHub's official MCP Server | 66.6 | 32.2k | Go |
| 17 | MCP TypeScript SDK B Listed The official TypeScript SDK for Model Context Protocol servers and clients | 66.4 | 13.2k | TypeScript |
| 18 | Agent Gateway B Listed Next Generation Agentic Proxy for AI Agents and MCP servers | 66.3 | 4.4k | Rust |
| 19 | Serena B Listed A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent | 65.7 | 28.0k | Python |
| 20 | mcp-use C Listed The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents. | 64.5 | 10.5k | TypeScript |
| 21 | AG-UI C Listed AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications. | 64.3 | 15.3k | Python |
| 22 | A2UI C Listed | 64.1 | 16.1k | TypeScript |
| 23 | Model Context Protocol / MCP C Listed Model Context Protocol Servers | 64.0 | 89.6k | TypeScript |
| 24 | n8n-MCP C Listed A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you | 62.3 | 22.7k | TypeScript |
| 25 | MCP Go C Listed A Go implementation of the Model Context Protocol (MCP), enabling seamless integration between LLM applications and exte | 60.2 | 9.0k | Go |
| 26 | Agent Reach C Listed Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongSh | 58.8 | 71.6k | Python |
| 27 | Figma Context MCP C Listed MCP server to provide Figma layout information to AI coding agents like Cursor | 55.2 | 15.7k | TypeScript |
| 28 | MCP Bundles C Listed Desktop Extensions: One-click local MCP server installation in desktop apps | 53.8 | 2.1k | TypeScript |
| 29 | FastMCP D Listed 🚀 The fast, Pythonic way to build MCP servers and clients. | 49.5 | 27.2k | Python |
| 30 | MetaMCP D Listed MCP Aggregator, Orchestrator, Middleware, Gateway in one docker | 48.4 | 2.6k | TypeScript |
| 31 | Klavis AI D Listed Klavis AI: MCP integration platforms that let AI agents use tools reliably at any scale | 48.4 | 5.8k | Python |
| 32 | ACI.dev D Listed ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent throug | 47.6 | 4.9k | Python |
| 33 | CrewAI tools D Needs review Extend the capabilities of your CrewAI agents with Tools | 47.0 | 1.5k | Python |
| 34 | mcpo D Listed A simple, secure MCP-to-OpenAPI proxy server | 45.3 | 4.3k | Python |
| 35 | Pi MCP Adapter D Listed Token-efficient MCP adapter for Pi coding agent | 43.0 | 1.2k | TypeScript |
| 36 | NitroStack D Listed The full-stack TypeScript framework to build, test, and deploy production-ready MCP servers and AI-native apps. | 40.0 | 2.5k | TypeScript |
| 37 | MCP Playwright D Listed Playwright Model Context Protocol Server - Tool to automate Browsers and APIs in Claude Desktop, Cline, Cursor IDE and M | 36.9 | 5.6k | TypeScript |
| 38 | MCP Client for Ollama D Listed Harness the power of local LLMs with this TUI MCP Client for Ollama. Featuring all core MCP primitives (tools, prompts, | 34.2 | 797 | Python |
| 39 | wcgw D Listed Shell and coding agent on mcp clients | 34.2 | 672 | Python |
| 40 | ToolHive D Listed ToolHive is an enterprise-grade platform for running and managing Model Context Protocol (MCP) servers. | 27.8 | 2.0k | Go |
| 41 | Jarvis Registry D Listed Connect any AI copilot or autonomous agent to your enterprise tools — through a single, secure MCP/Agent gateway with bu | 26.8 | 2.8k | Python |
| 42 | MCP Context Forge D Listed An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint wi | 26.1 | 4.3k | Python |
| 43 | open-connector D Listed Open-source auth gateway connecting 1000+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI. | 26.0 | 4.7k | TypeScript |
| 44 | mcphub D Listed A unified hub for centrally managing and dynamically orchestrating multiple MCP servers/APIs into separate endpoints wit | 25.5 | 2.3k | TypeScript |
| 45 | mcp-gateway-registry D Listed Enterprise-ready MCP Gateway & Registry that centralizes AI development tools with secure OAuth authentication, dynamic | 25.1 | 862 | Python |
| 46 | arcade-mcp D Listed MCP Server Framework and Tool Development library for building custom capabilities into agents. | 24.2 | 1.0k | Python |
| 47 | MCP Hub D Listed A centralized manager for Model Context Protocol (MCP) servers with dynamic server management and monitoring | 23.9 | 515 | JavaScript |
| 48 | MCP Java SDK D Listed The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI | 23.2 | 3.7k | Java |
| 49 | Unla D Listed 🧩 MCP Gateway - A lightweight gateway service that instantly transforms existing MCP Servers and APIs into MCP servers w | 22.3 | 2.2k | TypeScript |
| 50 | MCPJungle D Listed One place to manage & connect to all your MCP servers | 21.8 | 1.2k | Go |
| 51 | code-mode D Listed 🔌 Plug-and-play library to enable agents to call MCP and UTCP tools via code execution. | 19.6 | 1.5k | TypeScript |
| 52 | golf D Listed Production-Ready MCP Server Framework • Build, deploy & scale secure AI agent infrastructure • Includes Auth, Observabil | 18.4 | 837 | Python |
| 53 | TUUI D Listed A desktop MCP client designed as a tool unitary utility integration, accelerating AI adoption through the Model Context | 18.0 | 1.2k | TypeScript |
| 54 | FastAPI-MCP D Listed Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth! | 17.7 | 12.0k | Python |
| 55 | MCP-Bridge D Listed A middleware to provide an openAI compatible endpoint that can call MCP tools | 16.2 | 929 | Python |
| 56 | MCP Hub for Neovim D Listed An MCP client for Neovim that seamlessly integrates MCP servers into your editing workflow with an intuitive interface f | 15.1 | 1.8k | Lua |
| 57 | Scira MCP Chat D Listed A minimalistic MCP client with a good feature set. | 13.1 | 827 | TypeScript |
Grade = trust band: A ≥ 80, B ≥ 65, C ≥ 50, D < 50 — methodology