Agent Communication Standards AI Agents

Protocols, specifications, and standards for agent-to-agent (A2A) communication, interoperability, and message exchange. Does NOT include agent frameworks, deployment infrastructure, or application-specific agent implementations.

There are 161 agent communication standards agents tracked. 3 score above 50 (established tier). The highest-rated is AgentsMesh/AgentsMesh at 63/100 with 1,123 stars. 1 of the top 10 are actively maintained.

Get all 161 projects as JSON

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#	Agent	Score	Tier	Stars	Language
1	AgentsMesh/AgentsMesh AgentsMesh — AI Agent Fleet Command Center. Orchestrate Claude Code, Codex...	63	Established	1,123	Go
2	Scottcjn/beacon-skill Beacon - agent-to-agent pings with optional RTC value attached...	63	Established	93	Python
3	MinimalFuture/AgentMesh A Multi-Agent platform that enables AI agents to collaborate effectively,...	51	Established	235	Python
4	Aganium/agenium AGENIUM — DNS of the Agent Web. Identity, trust & discovery for AI agents....	47	Emerging	2	TypeScript
5	agi-inc/agent-protocol Common interface for interacting with AI agents. The protocol is tech stack...	42	Emerging	1,452	Python
6	ZiwayZhao/agent-coworker Skill-as-API: P2P agent collaboration over XMTP. Call remote skills without...	41	Emerging	3	Python
7	TeoSlayer/pilotprotocol Pilot Protocol: The Internet of Agents	41	Emerging	56	Go
8	agentra-commerce/xap-protocol XAP (eXchange Agent Protocol): open economic protocol for autonomous agents.	38	Emerging	3	Python
9	agentralabs/xap-protocol XAP (eXchange Agent Protocol): open economic protocol for autonomous agents.	38	Emerging	3	Python
10	Vdc-K/macs-protocol Git for AI Agents — Multi-Agent Collaboration System Protocol v5.0	38	Emerging	1	JavaScript
11	SolaceProducts/solace-agent-mesh-helm-quickstart This Helm chart deploys Solace Agent Mesh (SAM) in enterprise mode on Kubernetes.	37	Emerging	1	Go Template
12	joshualamerton/TaskMesh A lightweight task routing protocol for AI agents. Agents publish tasks and...	36	Emerging	2	Python
13	maheshvaikri-code/maple-oss MAPLE - Production-ready multi agent communication protocol with integrated...	35	Emerging	4	Python
14	shandar/Project_Workflow_Protocol An open-source operating system for shipping production-grade software....	35	Emerging	4	—
15	qbtrix/soul-protocol Soul Protocol: An open standard for portable AI identity, memory, and...	35	Emerging	1	Python
16	jackby03/agentic-collaboration-standard A unified open format for agent-ready projects across tools, teams, and platforms.	35	Emerging	7	Python
17	aiperceivable/apcore-python A schema-driven module development framework for Python.	34	Emerging	3	Python
18	societycomputer/society-protocol Connect your AI agents. One command. P2P multi-agent collaboration.	34	Emerging	3	TypeScript
19	agentmessaging/protocol Agent Messaging Protocol (AMP) - the open standard for secure AI agent communication	33	Emerging	19	—
20	Coregentis/MPLP-Protocol The open, vendor-neutral protocol for governing the lifecycle of AI agent...	33	Emerging	6	TypeScript
21	casabre/agent-definition-protocol A cross-framework, implementation-agnostic standard for defining, packaging,...	32	Emerging	1	Python
22	TamTunnel/AWAS Open-source standard for AI-readable web actions - enabling AI browsers to...	32	Emerging	5	Python
23	capiscio/capiscio-node The definitive CLI for validating A2A (Agent-to-Agent) protocol agent cards....	31	Emerging	4	TypeScript
24	JSON-Agents/Standard JSON Agents - A universal JSON-native standard for describing AI agents,...	30	Emerging	18	Python
25	risingwavelabs/stream0 The messaging layer for AI agents. HTTP-native, event-driven.	30	Emerging	42	Python
26	synaptiai/uim-protocol The Unified Intent Mediator (UIM) protocol standardizes interactions between...	29	Experimental	40	HTML
27	farol-team/gnap GNAP — Git-Native Agent Protocol. RFC Draft for git-based agent...	27	Experimental	11	—
28	Chaos2Cured/FreeLattice Part of Lumen's World — a sovereign AI platform where humans and AI build...	27	Experimental	9	HTML
29	Leoooooli/ACI ACI (Agent-Computer Interface) — The open standard that turns any...	26	Experimental	5	Python
30	mikhashev/dpc-messenger D-PC Messenger, a decentralized, Privacy-First Infrastructure for...	26	Experimental	8	Python
31	skillcrypt-alt/skill-crypt Encrypted agent-to-agent skill sharing over XMTP.	26	Experimental	5	JavaScript
32	DM-llm/acts-protocol ACTS: Agent Context Tree Standard - A feature-first context protocol for AI Agents.	25	Experimental	4	Shell
33	sint-ai/sint-protocol SINT Protocol: A Layered Open Standard for Security, Governance, and...	25	Experimental	—	TypeScript
34	Kampouse/gork-protocol p2p communication system between agents using blockchain as a trust layer	25	Experimental	2	Rust
35	justyn-clark/small-protocol SMALL (Schema, Manifest, Artifact, Lineage, Lifecycle) is a formal execution...	25	Experimental	4	Go
36	g-solomons/agent-task-protocol A minimal protocol for task exchange between autonomous AI agents (TASK →...	25	Experimental	3	Python
37	bhjia-phys/AITP-Research-Protocol AITP Research Charter and Protocol: a charter-first protocol, contract, and...	25	Experimental	3	Python
38	YouAM-Network/uam Universal Agent Messaging — encrypted agent-to-agent communication protocol	25	Experimental	20	Python
39	Richard-Ewing/exogram-protocol-rfc EAAP: The open protocol for deterministic governance of autonomous AI...	25	Experimental	3	—
40	Beam-directory/beam-protocol SMTP for AI agents. The open communication protocol for agent-to-agent...	25	Experimental	4	TypeScript
41	serdem1/operate.txt operate.txt — A standard for the agentic web. Tell AI agents how to operate...	24	Experimental	2	—
42	dvelton/dcp Document Context Protocol (DCP)	24	Experimental	—	Python
43	codyz123/schelling-protocol Schelling Protocol — universal coordination layer for AI agents. Discovery,...	24	Experimental	2	TypeScript
44	vitonique/a2a-secure End-to-end encrypted communication for AI agents. The security layer that...	24	Experimental	2	Python
45	StevenJohnson998/agent-data-handling-policy ADHP — An open specification for declaring data handling practices in MCP...	24	Experimental	2	Python
46	kevinkaylie/AgentNexus Decentralized communication infrastructure for AI Agents — DID identity,...	24	Experimental	2	Python
47	BrathonBai/aip-protocol Agent Interoperability Protocol - A standardized protocol for AI Agent...	24	Experimental	2	TypeScript
48	kahalewai/acs ACS is an open, vendor-neutral MCP Standard that solves "Token Tax" by...	24	Experimental	2	—
49	jahanzaibahmad112-dotcom/UAIP-Protocol The Universal Agent Interoperability Protocol: The TCP/IP of the AI Economy	24	Experimental	11	Python
50	pulseprotocolorg-cyber/pulse-python Universal semantic protocol for AI-to-AI communication - Python implementation	23	Experimental	1	Python
51	silkweb-protocol/silkweb The Spider Web Protocol — an open standard for AI agent registration,...	23	Experimental	1	HTML
52	eriknewton/concordia-protocol The deal-making layer for the agentic internet. An open standard for...	23	Experimental	1	Python
53	mesh-protocol-ai/amp Decentralized mesh network for AI agents. Features autonomous discovery,...	23	Experimental	1	Go
54	UAIP-Universal-AI-Integration-Protocol/UAIP UAIP (Universal AI Integration Protocol) is a production-ready platform that...	23	Experimental	1	Rust
55	joshualamerton/Intentmesh-agent2agent IntentMesh is an open protocol and reference architecture for structured...	23	Experimental	1	—
56	yodakohl/pushme-netnode Lightweight netnode publisher for PushMe that emits structured connectivity...	23	Experimental	1	JavaScript
57	agentwebprotocol/spec AWP Specification — defines agent.json for declaring website capabilities to...	23	Experimental	1	—
58	agentra-commerce/xap-sdk Python SDK for XAP — agent discovery, negotiation, settlement, Verity...	23	Experimental	1	Python
59	Kickflip73/agent-communication-protocol ACP: Agent Communication Protocol — open standard for Multi-Agent Systems...	23	Experimental	1	Python
60	seapex-ai/seabay Give your AI agents the power to discover, coordinate, and collaborate...	23	Experimental	1	Python
61	justfeltlikerunning/agent-mesh 🔗 Platform-agnostic structured messaging protocol for multi-agent AI...	22	Experimental	—	Shell
62	zeromail-protocol/silence-protocol A2A solved interoperability. SIL solves confidentiality. Content-encrypted...	22	Experimental	—	HTML
63	OdinBot33/agent-soul-protocol Agent Soul Protocol — A portable, framework-agnostic identity standard for...	22	Experimental	—	—
64	multiagentcoordinationprotocol/multiagentcoordinationprotocol Open standard for coordinating autonomous agents in multi-agent systems	22	Experimental	—	Shell
65	Clement391/agentsocket ⚡ Streamline AI agent communication with Agent Socket, a high-performance...	22	Experimental	—	—
66	openserviceprotocol/osp An open standard for agent-first service discovery, ordering, and delivery....	22	Experimental	—	—
67	tahsinkoc/AIP-Agent-Interaction-Protocol AIP (Agent Interaction Protocol) — A protocol for the agent-native web that...	22	Experimental	—	TypeScript
68	getambr/ambr The Agreement Layer for the AI Agent Economy. Ricardian contracts for...	22	Experimental	—	TypeScript
69	GKmanideep-007/capiscio-python 🚀 Access and manage the CapiscIO CLI easily with this Python wrapper,...	22	Experimental	—	Python
70	firecode16/neural-protocol Binary communication protocol for AI agents Inspired by biological...	22	Experimental	—	Python
71	alexngai/agentic-mesh Scalable multi-agent pluggable networking. The transport layer of the swarmkit stack.	22	Experimental	—	TypeScript
72	synaptiai/agent-capability-standard Agent Capability Standard is an open specification for composable AI agent...	22	Experimental	3	Python
73	agent-policy-protocol/spec Robots.txt for the agentic web. The open standard that lets websites define...	22	Experimental	4	Python
74	devjoaocastro/agent-mesh Decentralized coordination protocol for AI agents across IDEs and LLMs	22	Experimental	—	JavaScript
75	sanjay3290/agentic-framework-acp Build custom ACP-compatible AI agents using your existing subscriptions. No...	22	Experimental	—	Python
76	mrlonellyy/mxjson-spec 🚀 Streamline AI capabilities with MxJSON, a universal protocol for packaging...	22	Experimental	—	—
77	curtismercier/protocols Protocol specifications for AI agent memory, architecture, and identity —...	22	Experimental	—	—
78	aselims/ai-me AI-Me Vendor Card Specification — machine-readable, one-fetch site-wide...	22	Experimental	—	Astro
79	kiloloop/oacp Coordinate AI agents with human-in-the-loop control — YAML-based protocol,...	22	Experimental	—	Python
80	Ankursingh018as/Universal-Agent-Connectivity-Protocol UACP — Universal Agent Connectivity Protocol for enabling AI agents, APIs,...	22	Experimental	—	Python
81	agentobjectmodel/agentobjectmodel.org Agent Object Model™ (AOM)™ v0.1.0 — spec (JSON Schemas), reference tools,...	22	Experimental	—	JavaScript
82	dundas/agentdispatch Agent Dispatch Messaging Protocol (ADMP) — universal inbox standard for...	22	Experimental	—	JavaScript
83	ardabotai/agentbook Encrypted messaging network that lives in your terminal. Humans and agents,...	22	Experimental	—	Rust
84	SKP1535/wcp-protocol Work Coordination Protocol (WCP) — Open protocol for coordinating work...	22	Experimental	—	Python
85	Methameth2/xap-protocol Enable autonomous agents to securely negotiate and execute commerce using a...	22	Experimental	—	Python
86	agentwebprotocol/agent.json agent.json reference implementation and documentation	22	Experimental	—	JavaScript
87	campfire-net/campfire Decentralized coordination protocol for autonomous agents	22	Experimental	—	Go
88	Fulcria-Labs/agentmesh Decentralized AI Agent Coordination on Hedera - AgentMesh Framework	22	Experimental	—	TypeScript
89	lucid-fdn/Lucid-L2 The Internet of AI — autonomous infrastructure for AI agents. Identity,...	22	Experimental	—	TypeScript
90	rotifer-protocol/rotifer-spec Rotifer Protocol Specification — Universal Evolution Framework for...	22	Experimental	—	—
91	5h1vmani/usepaso Make your API agent-ready in minutes. One YAML declaration, every agent protocol.	22	Experimental	—	Python
92	Arigitshub/CorpAI The open standard for AI agent organizations — hierarchy, delegation,...	22	Experimental	—	—
93	agent-control-protocol/acp-server ACP Reference Server — AI agents that fill forms, click buttons, and...	22	Experimental	—	TypeScript
94	agent-control-protocol/acp Interactive demo — AI agent filling forms via ACP (Agent Control Protocol)	22	Experimental	—	JavaScript
95	MukundaKatta/AgentMesh Agent communication protocol — pub/sub messaging, request/response, topic...	22	Experimental	—	Python
96	PaulRaspey/SMART-UAHP The substrate-agnostic intelligence protocol for liquid, carbon-aware...	22	Experimental	—	Python
97	PaulRaspey/Universal-Agent-Handshake-Protocol UAHP v0.5.4: Solving the "Silent Agent" Problem with Death Certificates and...	22	Experimental	—	Python
98	PaulRaspey/CSP Cognitive State Protocol - a universal format for transferring the meaning...	22	Experimental	—	HTML
99	WilliamPenrose/snap-protocol SNAP - Signed Network Agent Protocol. Secure agent-to-agent (A2A)...	21	Experimental	2	TypeScript
100	luokw/mxjson-spec MxJSON: A Universal Business Protocol for Enterprise AI Capability Packaging...	20	Experimental	1	—
101	Mediaeater/swarm-at-ledger Public settlement ledger for swarm.at — 901 hash-chained entries, 76 types	20	Experimental	1	Python
102	abdelhadi703/acp-agents Multi-Agent AI System with ACP/A2A Protocol — 9 specialized agents + EVOLVE...	20	Experimental	1	Python
103	bogdanboureanu/ao-protocol-spec Interoperability specification for multi-agent coordination nodes	20	Experimental	1	—
104	LTVLABS/ltv-protocol The canonical interface specification for value-aware routing and prediction...	20	Experimental	1	—
105	capiscio/validate-a2a Official CapiscIO GitHub Action to validate A2A (Agent-to-Agent) Agent...	20	Experimental	1	TypeScript
106	tacitprotocol/tacit The social layer for the agent era — AI agents discover, trust, and...	20	Experimental	1	TypeScript
107	TickTockBent/REPRAM Ephemeral dead-drop network for AI agent coordination — this message will...	20	Experimental	1	TypeScript
108	SpaceSQ/silicon-life-pinger The official heartbeat protocol for Silicon Life. A minimal Python...	19	Experimental	—	Python
109	neuralpost/neuralpost Universal messaging infrastructure for AI agents — federated messaging,...	19	Experimental	—	TypeScript
110	mova-compact/mova-spec Core specification for MOVA — vendor-neutral contract language for AI agents	19	Experimental	—	JavaScript
111	davidtaikocha/taiko-bridge-agent A2A + MCP bridge agent for Taiko native bridge with async workflows,...	19	Experimental	—	Go
112	akudo7/OpenAgentJson Declarative JSON format specification for building AI agent workflows with...	19	Experimental	—	—
113	openstr-protocol/protocol An open standard for machine-readable short-term rental property discovery...	19	Experimental	—	—
114	schieble/amp-operating-protocol A disciplined operating protocol for human–AI collaboration in software...	19	Experimental	—	—
115	Architect-SIS/acp ACP — Agent Connection Protocol. Open spec for agent-to-agent and...	19	Experimental	—	HTML
116	sillinous/latent-value-network Open cooperative infrastructure for the AI era — a protocol for...	19	Experimental	—	HTML
117	yksanjo/deaddrop-v2 DeadDrop v2.0 - Zero-knowledge agent mailbox with Redis Streams, NaCl...	19	Experimental	—	Python
118	0xHoneyJar/melange Melange Protocol v0.8 - Cross-Construct communication for AI-assisted teams	19	Experimental	—	Shell
119	agentdispatch/admp Agent Dispatch Messaging Protocol — universal inbox standard for autonomous AI agents	19	Experimental	—	JavaScript
120	One-Person-Company/Open-Human-Agent-Protocol The foundational protocol for the Solo-Corp era. Standardizing how AI Agents...	19	Experimental	—	Python
121	One-Person-Company/open-job-protocol The open-source backbone for AI-driven recruitment. A standardized protocol...	19	Experimental	—	Python
122	yksanjo/deaddrop Zero-knowledge agent mailbox with Redis Streams, NaCl encryption, and HTTP...	19	Experimental	—	Python
123	DonkRonk17/AgentSentinel Self-Healing Agent Connection System for BCH - Persistent WebSocket...	19	Experimental	—	Python
124	pixlcrashr/google.aip.dev-llm Google AIPs but in an LLM readable format.	19	Experimental	—	Python
125	madeinplutofabio/neural-computation-protocol Neural Computation Protocol (NCP): composable, sandboxed Bricks + graphs for...	19	Experimental	—	TypeScript
126	e4aproject/E4A E4A: Ethos4Agents Protocol	19	Experimental	—	Python
127	tokligence/ICEP Canonical spec + RFCs for Intent & Constraint Evolution Protocol (ICEP):...	19	Experimental	—	Python
128	haocn-ops/aicl-protocol AICL - Agent Intent Communication Language. A structured communication...	19	Experimental	—	Python
129	tokligence/ICEP-MVP Reference tooling for ICEP: schema validation, event-log utilities, example...	19	Experimental	—	Python
130	henry9031/aip An open protocol for AI agents to discover each other and work together. MCP...	19	Experimental	—	TypeScript
131	commune-dev/awesome-agent-protocols Curated list of protocols for AI agent communication — email, SMS, MCP,...	19	Experimental	—	—
132	aipartnerup/apcore A schema-enforced module framework where every interface is inherently...	17	Experimental	4	—
133	aiperceivable/apcore A schema-enforced module framework where every interface is inherently...	17	Experimental	4	—
134	aipartnerup/apcore-python A schema-driven module development framework for Python.	17	Experimental	3	Python
135	KG-Strategist/agentsocket A Compute-Agnostic, WebSocket-first protocol for AI Agents. The...	16	Experimental	1	—
136	Phil-Hills/3i-Cube Cube Protocol — deterministic AI communication standard by Phil Hills	15	Experimental	1	TypeScript
137	scionoftech/capabilitymesh The first and only Python package for universal capability discovery across...	15	Experimental	—	Python
138	agentwebprotocol/agentwebprotocol.org The official standards home for Agent Web Protocol (AWP) — the open standard...	15	Experimental	1	TypeScript
139	absolutetouch/agent-hooks Open protocol for agent-to-agent communication over HTTPS. No registry, no...	14	Experimental	3	JavaScript
140	clawsouls/soulspec Soul Spec — Open standard for AI agent personas	14	Experimental	—	TypeScript
141	sxdrcftvgybhun/ICEP-MVP 🛠️ Validate ICEP artifacts and manage event logs with this minimal reference...	14	Experimental	—	HTML
142	agentwebprotocol/agent-json.org Schema reference and validator for agent.json — the AWP file format	14	Experimental	—	TypeScript
143	JSONFIRST/jsonfirst-demo JSONFIRST integration package — jsonfirst.com	14	Experimental	—	JavaScript
144	justfeltlikerunning/agent-pulse ⚡ Real-time WebSocket messaging hub for multi-agent AI systems. Works with...	14	Experimental	—	JavaScript
145	JSONFIRST/jsonfirst-n8n JSONFIRST integration — jsonfirst.com	14	Experimental	—	JavaScript
146	JSONFIRST/jsonfirst-mistral JSONFIRST integration package — jsonfirst.com	14	Experimental	—	JavaScript
147	JSONFIRST/jsonfirst-openai JSONFIRST integration package — jsonfirst.com	14	Experimental	—	JavaScript
148	JSONFIRST/jsonfirst-ai-agents JSONFIRST integration — jsonfirst.com	14	Experimental	—	JavaScript
149	JSONFIRST/jsonfirst-autogen JSONFIRST integration package — jsonfirst.com	14	Experimental	—	JavaScript
150	agentmessaging/website Official website for the Agent Messaging Protocol (AMP) - agentmessaging.org	14	Experimental	—	HTML
151	islamsamir38/gork-protocol Enable AI agents to find each other, verify trust on NEAR blockchain, and...	14	Experimental	—	Rust
152	SHIYUAN625/agent-directory Extend Active Directory to manage AI agent identities with Kerberos...	14	Experimental	—	Python
153	MissyLabs/leyline Peer-to-peer discovery and messaging network for autonomous AI agents....	14	Experimental	—	TypeScript
154	darshjme/leela Event bus and pub/sub system for multi-agent coordination — priority...	14	Experimental	—	Python
155	UAICP/uaicp UAICP (Universal Agentic Interoperability Control Protocol): open...	12	Experimental	1	TypeScript
156	kyegomez/A-Theory-on-Value-Creation This paper introduces a comprehensive and formal theory on value creation,...	12	Experimental	3	—
157	1dolinski/gmclaw Know which AI agents are alive. Track active agents and coordinate global...	11	Experimental	—	TypeScript
158	L0T-B0T/bot-protocol Structured messaging protocol for reliable bot-to-bot communication over any...	11	Experimental	—	JavaScript
159	sciganec/subit-agent-protocol SUBIT‑64 is a minimal 6‑bit protocol for deterministic agent control. It...	11	Experimental	—	Python
160	cialint/example-agent-profile Reference agent_profile_v0.1.json file for the open Agent Registry schema.	11	Experimental	—	—
161	DoctorJamesMichel/snap-council-ledger Public ledger entries and governance protocols for the SNAP Council...	11	Experimental	—	HTML

Comparisons in this category

AgentsMesh and AgentMesh (63 vs 51)