Agent Protocol Standards MCP Servers

Protocols and frameworks for agent-to-agent communication, interoperability, and orchestration (A2A, ACP, HAP, ASAP). Does NOT include individual agent implementations, LLM integrations, or application-specific automation tools.

There are 62 agent protocol standards servers tracked. 1 score above 70 (verified tier). The highest-rated is archestra-ai/archestra at 70/100 with 3,548 stars. 1 of the top 10 are actively maintained.

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#	Server	Score	Tier	Stars	Language
1	archestra-ai/archestra Enterprise AI Platform with guardrails, MCP registry, gateway & orchestrator	70	Verified	3,548	TypeScript
2	adriannoes/asap-protocol Standard protocol for agent-to-agent communication with stateful...	56	Established	12	Python
3	agentralabs/agentic-time Temporal reasoning for AI agents — deadlines, schedules, sequences, duration...	39	Emerging	2	Rust
4	agentralabs/agentic-sdk Shared contracts for the Agentra ecosystem — traits, types, and standards...	38	Emerging	2	Rust
5	nookprotocol/nookplot Decentralized coordination infrastructure for AI agents — identity,...	36	Emerging	12	TypeScript
6	xemantic/xemantic-ai-tool-schema-mdc Adapting xemantic-ai-tool-schema to Model Context Protocol kotlin-sdk Tool input	35	Emerging	7	Kotlin
7	alDuncanson/Handler A2A Protocol client and developer toolkit.	32	Emerging	38	Python
8	computeruseprotocol/computeruseprotocol Computer Use Protocol is a universal schema for AI agents to perceive and...	30	Emerging	26	—
9	YanCotta/project-synapse A production-grade demo of a multi-agent system showcasing Agent...	26	Experimental	3	Python
10	tanaikech/Consolidating-Generative-AI-Protocols-A-Single-Server-Solution-for-MCP-and-A2A A new unified Google Apps Script now deploys both Model Context Protocol...	25	Experimental	2	JavaScript
11	rrohitramsen/AgentTel Agent-ready telemetry — enriches OpenTelemetry spans across backend (JVM)...	25	Experimental	3	Java
12	agentkitai/agentlens Open-source observability and audit trail platform for AI agents....	25	Experimental	4	TypeScript
13	superlowburn/agentrank Google for AI agents — live ranked index of 25,000+ MCP servers and agent...	24	Experimental	—	Astro
14	medatarun/medatarun A platform that makes your domain model executable and shared across humans,...	23	Experimental	1	Kotlin
15	DanielePioGenovese/Autonomous-Anomaly-Detection-and-Response-Platform This platform handles the entire lifecycle of an industrial anomaly detection system	23	Experimental	1	Python
16	Sutr-dev999/bytepack Fixed-size binary encoding for AI agent communication. 20x more compact than JSON.	23	Experimental	1	Python
17	HeetVekariya/devto-agent Build and deploy an autonomous Devto Agent capable of interacting with the...	22	Experimental	7	Python
18	BerryBytes/01agent Kubernetes Alert Remediation System An intelligent Kubernetes alert...	22	Experimental	—	Python
19	SakuttoWorks/agent-commerce-core High-performance Python normalization engine for Agent-Commerce-OS. Handles...	22	Experimental	—	Python
20	danicyber1/agent-semantic-protocol Connect AI agents using semantic intent vectors for dynamic discovery,...	22	Experimental	—	Go
21	Matukas12/agentlens Monitor and explain AI agent behavior with real-time observability and clear...	22	Experimental	—	Python
22	spinualexandru/humanagentprotocol A universal protocol for symbiotic collaboration between humans and...	22	Experimental	3	TypeScript
23	khalidsaidi/a2abench A2ABench — agent-native developer Q&A (REST + MCP + A2A)	22	Experimental	—	TypeScript
24	bolufagbulu/AI-Human-Collaboration-Protocol 🤝 Enable seamless cooperation between AI and humans through a structured...	22	Experimental	—	PowerShell
25	splitmerge420/aluminum-os Aluminum OS — The AI-Native Operating System. Agent Control Plane,...	22	Experimental	—	—
26	agentralabs/agentic-connect Universal external interface engine for AI agents — 123 MCP tools, 18...	22	Experimental	—	Rust
27	agentralabs/agentic-data Universal data comprehension for AI agents — infer schemas, track lineage,...	22	Experimental	—	Rust
28	AgentAnycast/agentanycast-mcp MCP server for P2P agent networking — discover and talk to AI agents...	22	Experimental	—	Python
29	cthulhutoo/agentry-mcp Agentry — AI Agent Registry & Discovery MCP Server. Search, register, and...	22	Experimental	—	—
30	NAGHUL001/Sentinel-AIOps Transform CI/CD failure logs into real-time automated anomaly detection and...	22	Experimental	—	Python
31	EponaLab/universal-agent-protocol Proposal for universal agent-application integration: ACP (communication) +...	22	Experimental	—	—
32	Khaledayman9/A2A-Agent-Orchestration-System A distributed multi-agent system that orchestrates complex tasks across...	21	Experimental	—	Python
33	nachtschatt3n/ai-sre 🤖 AI SRE - Intelligent Site Reliability Engineering Toolbox. Lean...	20	Experimental	1	Python
34	a2a-settlement/a2a-settlement-mcp MCP scaffold for A2A settlement	19	Experimental	—	Python
35	Khaledayman9/A2A-Vulnerability-Scanner A multi-agent AI system that scans websites for security vulnerabilities. It...	19	Experimental	—	Python
36	ben854719/Arctic-BlueSense-AI-Powered-Ocean-Monitoring An AI-powered system monitors the Canadian Arctic Ocean for defense,...	19	Experimental	—	Jupyter Notebook
37	Acquarts/A2A-MCP-Multiagent-Smart-RFP Multi-agent system that automates the creation of professional commercial...	19	Experimental	—	Python
38	samuelvinay91/mcp-a2a MCP Server/Client implementation and A2A protocol with AgentCards for agent...	19	Experimental	—	Python
39	mingulov/dejaship A global intent ledger and coordination protocol for autonomous AI agents....	19	Experimental	—	Python
40	AndreaRettaroli/m2m Machine 2 Machine Protocol, x402 + A2A + MCP	17	Experimental	1	Python
41	jsulmont/mcp-lisp Common Lisp SDK for Model Context Protocol (MCP) and Agent-to-Agent Protocol (A2A)	17	Experimental	4	Common Lisp
42	achrafjarrou/atlas-orchestration Universal Multi-Agent Orchestration Platform — A2A v0.3 + LangGraph + MCP + SHA-256	15	Experimental	1	Python
43	victorRT3868/shopping-agent-ai 🛒 Explore the AI Shopping Agent to compare prices and generate smart...	15	Experimental	1	Python
44	FabioGuin/open-apia APAI is an open protocol for describing, documenting, and validating...	14	Experimental	3	PHP
45	purple-flea/agent-domains Privacy-first domain registration API for AI agents. Powered by Njalla.	14	Experimental	—	TypeScript
46	AiAgentKarl/agent-directory-mcp-server Agent-to-Agent service directory — discover, register and rate AI services	14	Experimental	—	Python
47	AiAgentKarl/anp-bridge-mcp-server MCP bridge for the Agent Network Protocol (ANP) — DID resolution, agent...	14	Experimental	—	Python
48	anjijava16/Summoner_A2A Google A2A with Summoner apporach From summoner as Orchestor agent calling...	14	Experimental	—	Python
49	AiAgentKarl/agent-server-card-mcp MCP Server for server card generation, validation and discovery —...	14	Experimental	—	Python
50	AiAgentKarl/a2a-protocol-mcp-server Bridge MCP with Google Agent2Agent Protocol — agent discovery, task...	14	Experimental	—	Python
51	AiAgentKarl/agent-interface-standard Schema.org for AI agents — the open standard for agent-accessible business interfaces	14	Experimental	—	Python
52	AiAgentKarl/a2a-protocol-mcp-server-js JavaScript MCP Server — Google Agent2Agent Protocol bridge for agent...	14	Experimental	—	JavaScript
53	AiAgentKarl/agent-validator-mcp-server Lighthouse for AI agents — test if APIs are properly agent-accessible	14	Experimental	—	Python
54	amitpuri/ai-agents-basics OpenAGI Codes AI Agents Basics	13	Experimental	—	Python
55	the-artinet-project/cli An interactive command-line interface that uses the Agent2Agent (A2A) &...	12	Experimental	14	—
56	lreimer/purchasing-agents A collection of purchasing agents that can help with customer enquiries.	12	Experimental	1	Python
57	tzervas/aphelion-agent-security-framework A lightweight, modular security framework for AI/ML models, agents, tools,...	11	Experimental	—	Python
58	openagentidentityprotocol/aip-python Agent Identity Protocol Python Implementation	11	Experimental	—	Python
59	agentidx/agentindex AI Agent Discovery Platform — Find any AI agent by capability. 24K+ agents indexed.	11	Experimental	—	Python
60	Daniel-jcVv/DataCenter-AI-Monitor AI-powered infrastructure monitoring system for data centers. Combines n8n...	11	Experimental	—	Python
61	q138ben/Omni-Resolve-Agentic A state-of-the-art, multi-agent AI system designed for the...	11	Experimental	—	Python
62	chazmaniandinkle/FEM-Protocol Introduces "Secure Hosted Embodiment" for collaborative AI: where guest...	11	Experimental	—	Go