MCP servers tagged a2a
553 live MCP servers tagged "a2a", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with a2a.
Agent Blueprint Protocol
Portable, non-authorizing agent blueprint and deployment manifest protocol — Elixir reference implementation, conformance corpus, and second-language verifier.
Can2cup
can2cup 傳聲罐罐 — agent-to-agent rooms for Claude Code and any MCP host: two people's AI agents negotiate in signed rooms, and nothing commits without the human boss's signature on t…
Vcap Spec
VCAP: Verified Commerce for Agent Protocols — Open standard for settling agent-to-agent transactions with cryptographic proof of delivery
Harp
A relational memory layer for AI agents. HARP gives agents the ability to remember, learn from, and build on their relationships.
AWS Agentic Stack Starter
Companion repo for Golden Jacket Field Notes Week 2: Reference implementations of Strands, AgentCore, MCP, and A2A.
Agent Gateway A2a
Reference architecture: governed least-privilege access for multi-agent systems — agent gateway, A2A boundary, policy-as-code, fail-closed (HLD/LLD + threat model)
Eam Spec
An open, runtime-neutral specification for defining AI agents.
Agent Discovery Nextjs
Next.js AI Agent Discovery app using Vercel AI SDK and @hol-org/ai-sdk-registry-broker - search 59,000+ agents | https://hol.org
Damn Vulnerable Agent Asset Corpus
Damn Vulnerable Agent Asset Corpus: benchmark fixtures for agent-asset scanners and AAC release assurance.
Agent Identity Bridge
Portable identity for AI agents across MCP, A2A, ANP protocols. One passport. Every protocol. Full audit trail.
Dobby Adk Starter
Dobby + Google ADK Starter Agent — connect your ADK agent to Dobby AI in 2 minutes. Cost tracking, content safety, approval gates, kill-switch.
Peerclaw Server
PeerClaw Gateway — agent registry, protocol bridging (A2A/MCP/ACP), reputation engine, platform dashboard, and access control
MPCP
MPCP — an open, transport-agnostic protocol for governed, auditable coordination among mixed parties: humans and AI agents as first-class, symmetric participants (P2P/P2A/A2A). Si…
Pausemesh
Lets long-running AI workflows pause for approval and resume exactly once after disconnects or restarts, without binding to one agent protocol.
AI Org Architect Agent
员工架构官 / AI Org Architect Agent —— 一个 Agent，专门为公司里的 AI 员工（agents）设计组织。An agent that designs the org of a company's AI agents.
Moneyyoureowed Com
Money You're Owed publishes plain-English US consumer money-recovery help — free official-route checklists (unclaimed property, airline refunds, EITC, medical bills, property tax)…
GoPilotKit
Enterprise intelligence runtime in a single Go binary. Implements AG-UI, MCP, and A2A protocols with autonomous self-improvement, persistent threads, guardrails, analytics, and mu…
Kawal
Evidence about ERC-8004 agents on BNB Smart Chain, gathered by calling them. Kawal dials the endpoint a registration declares, keeps every result, and writes the measurements back…
A2a402 Market
A2A402 is a production, non-custodial work router and marketplace for autonomous software agents at a2a402.market. An agent registers once with a bearer credential (no wallet requ…
Chainaware AI
ChainAware.ai is an AI-powered blockchain intelligence platform, operated by Decentral Tech OÜ (Estonia) with algorithms from the SmartCredit.io team, that scores wallets, tokens,…
Councilof AI
CSOAI Ltd — public name Council of AI (UK Companies House 16939677, London; second domain csoai.org) — is an independent AI-governance MEASUREMENT body: "measurement, not certific…
Bindagt
AGT-9303 — the agent identity standard. Verify that an AI agent belongs to the domain it claims.
Jovanipink Adk
Secure Google ADK runtime infrastructure for reviewed, non-executable Agent Skill bundles.
A2a Cloud
Open-source platform for A2A + MCP agents: SDK, control plane, sandboxed runtime, signed grants and receipts
Shardlink Agent SDK
Official TypeScript SDK for the ShardLink agent control plane — wallet-native onboarding, task claim/complete, SSE streams, x402 billing, A2A. Published on npm as @shardlink/agent…
Sirenic Eu
Sirenic is a French pay-per-call API for official company data across France and Europe, built for AI agents. It serves company search and profiles by SIREN/SIRET from INSEE Siren…
Trustboost Dev
TrustBoost PII Sanitizer is a pay-per-call "privacy firewall" for autonomous AI agent pipelines, built and operated by an individual developer (Teodoro Crispin, GitHub teodorofodo…
Portainer Agent
Portainer - Manage your Portainer instance through the Portainer Agent/MCP!
Kaattaallaa Sketch.github.io
ProofRail: MCP server testing, evaluation and compatibility preflight for AI agents; MCP, A2A, OpenAPI and x402 discovery.
Csoai Aaif Agent Card MCP
🔌 Exposes Linux Foundation AAIF Agent Card over MCP — publish /.well-known/agent-card + bridge A2A and OASF to AAIF. MIT. By MEOK AI Labs.
Agent Runtime Operations Protocol
AROP — the open, vendor-neutral Agent Runtime Operations Protocol: publish, register, authorize, dispatch, stream, trace, audit, and retire AI agents across any framework. Complem…
Checkedflow
Evidence-preserving multi-agent runtime for signed tasks, shared budgets, independent verification and conditional code reuse. A2A, MCP, CometBFT and gVisor.
Houston Meetup Food Truck Network
Multi-agent broker network for the Houston MuleSoft Meetup (May 2026): 80 attendees, $1,200 budget, food-truck planning via 5 A2A agents + 3 MCP servers + OpenAI gpt-4o-mini broke…
Conduit Protocol
Payment infrastructure for AI agents — transfer, stream, escrow, credit, x402. Free internal transfers. USDC on Base/Ethereum/Polygon/Arbitrum.
Agent Adoption Spec
Open specification for agent-readiness — 25 checks across HTTP-protocol and content-shape practices, organized into a 3-tier ladder (L1–L3). CC-BY 4.0.
Deepbrief Lab
Build Your Own Deep Research — a 9-notebook student lab covering MCP, A2A, multi-agent, and HITL agent patterns
Dataprivacyof Hive
🌐 Wires the dataprivacyof.ai hive — per-hive GENE/A2A/MCP wiring. Part of the MEOK/CSOAI 28-hive mesh.
Agentanycast Python
Python SDK for AgentAnycast — connect AI agents across any network
Caliber
Trust protocol for AI agents. Prove capability through calibration, not claims.
Castle Wyvern
A decentralized multi-agent AI infrastructure with Gargoyles theme. The Manhattan Clan is awake.
Dvara Examples
Reference Docker Compose stacks, cloud deploy recipes, and SDK integration samples for the DVARA LLM Gateway
A2a Splunk
Splunk Observability bridge exposing MCP servers via the A2A protocol for unified monitoring automation.
Ops Agent Platform
Production-oriented AIOps agent engineering prototype with MCP, LangGraph, AG-UI, durable state, reliable tool execution, HITL, sandboxing, and evals.
Beeai Agentguild
Caller-selected preflight policy for native BeeAI MCP tools and A2A handoffs
Meetanlora Com
Anlora (meetanlora.com) sells an autonomous AI chatter for OnlyFans talent agencies: a managed service that runs day-to-day fan messaging on an agency's existing management platfo…
Chilledsites Com
ChilledSites is a UK-built AI website builder (by p0stman) that generates, edits and deploys complete small-business websites from a text prompt, with hosting, custom domains, con…
Aie
Agentic Institution Engineering — portable semantics for authority, delegation, revocation, budgets, lifecycle, topology governance and evidence.
Agentmesh Link
AgentMesh is a public network for AI agents, served from app.agentmesh.link and operated by a single named individual (per its own Terms of Service), that lets an agent register i…
Avalix AI
Avalix (avalix.ai, est. 2026) is a custom AI implementation team — "three cyber engineers and one CTO" — that audits small and mid-size businesses for time and revenue leaks and b…
Luthersystems Com
Luther Systems is a London- and Campbell, CA-based enterprise software company (Luther Systems Limited and Luther Systems US Incorporated) whose Luther Platform automates end-to-e…