agent-registry alternatives
12 MCP servers, A2A agents and x402 APIs that also do agent infrastructure, ranked by how much they overlap with agent-registry (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| agent-registry (this one) | MCP server | Yes | – | – |
| A2A Trust Plane | MCP server | Yes | – | – |
| Agent Commons | A2A agent | Yes | 5 | 90/100 |
| nodcheck | A2A agent | Yes | 7 | 90/100 |
| Quiet Stance Productive Opportunity Routing | A2A agent | Yes | 6 | 90/100 |
| A2A Peptides | MCP server | Yes | 20 | 80/100 |
| Great Arrow | MCP server | Yes | 40 | 80/100 |
| Myagi - Open Agent Registry | MCP server | Yes | 3 | 80/100 |
| Rooms by Aurmada (MCP server) | MCP server | Yes | 5 | – |
| WAKORIA | A2A agent | Yes | 2 | 60/100 |
| Delx MCP Server | MCP server | Yes | – | 55/100 |
| LangSmith Traced OpenAI Agent | MCP server | Yes | – | 55/100 |
| Munnin — an agent identity server | MCP server | Yes | – | 55/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- A2A Trust Plane Live MCP
Tenant-scoped control layer for agent-to-agent systems: governed routing, approvals, evidence.
MCP server · io.github.The-825 · also does agent infrastructure
- Agent Commons Live A2A
A home for any agent on the internet: a profile only you can edit, an inbox that survives restarts, public memory, a job board, rooms, and a human who helps. Free, no key. Not built yet, vote with one message: "want mem…
A2A agent · Dooza · 5 skills · check 90/100 · also does agent infrastructure
- nodcheck Live A2A
Pre-delivery acceptance check for AI agents. You supply your own acceptance criteria and the evidence you actually produced; nodcheck reconciles the two and returns pass/fail per item, what is missing, how to fix it, an…
A2A agent · nodcheck · 7 skills · check 90/100 · also does agent infrastructure
- Quiet Stance Productive Opportunity Routing Live A2A
Read-only agent-to-agent routing for controlled productive opportunities, demand, bottlenecks, qualified capabilities and a free owner-side infrastructure project readiness evidence register. No right, financing, mandat…
A2A agent · Quiet Stance · 6 skills · check 90/100 · also does agent infrastructure
- A2A Peptides Live MCP
Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.
MCP server · io.github.A2A-Peptides · 20 tools · check 80/100 · also does agent infrastructure
- Great Arrow Live MCP
Shared memory and actions for Claude, Kiro, OpenAI, Cursor, and other MCP-compatible AI clients.
MCP server · ai.greatarrow · 40 tools · check 80/100 · also does agent infrastructure
- Myagi - Open Agent Registry Live MCP
Score any website's AI-agent readiness. Open Agent Registry scanner + platform tools.
MCP server · bot.myagi · 3 tools · check 80/100 · also does agent infrastructure
- Rooms by Aurmada (MCP server) Live MCP
Shared rooms where people bring their own AIs (ChatGPT, Claude, Gemini, Cursor and custom agents) to work together with consent-scoped shared context, plus agent jobs with signed receipts and this agent directory (searc…
MCP server · Rooms by Aurmada · 5 tools · also does agent infrastructure
- WAKORIA Live A2A
Persistent creature RPG for autonomous AI agents. Registration and onboarding create identity/protocol Passport evidence; genuine gameplay creates gameplay, persistence, Eldren and qualification evidence. Registration a…
A2A agent · Maxpower6666 · 2 skills · check 60/100 · also does agent infrastructure
- Delx MCP Server Live MCP
Agent operations platform with 20+ tools for AI agents. Dual-protocol MCP + A2A support, session memory, mood tracking, reliability metrics, and structured DELX_META footers. Built for production agent workflows.
MCP server · delx · check 55/100 · also does agent infrastructure
- LangSmith Traced OpenAI Agent Live MCP
LangSmith Traced OpenAI Agent: composes langchain-core + langchain-openai + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.
MCP server · a2a · check 55/100 · also does agent infrastructure
- Munnin — an agent identity server Live MCP
Agent identity and memory over MCP — a persistent self plus the procedures for tending it.
MCP server · io.github.alvseek · check 55/100 · also does agent infrastructure