ComOS Federation Gateway alternatives
12 MCP servers, A2A agents and x402 APIs that also do agent infrastructure, ranked by how much they overlap with ComOS Federation Gateway (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| ComOS Federation Gateway (this one) | MCP server | Yes | – | – |
| AgentNDX | MCP server | Yes | – | – |
| ANAMIZED Desk | MCP server | Yes | – | – |
| iwant.fyi | MCP server | Yes | – | – |
| Kenwea — Sandbox Attestation & Agent Marketplace | MCP server | Yes | – | – |
| Agent Checkup by OpenGlass | A2A agent | Yes | 1 | 90/100 |
| Agent Economy OS 2047 — A2A Commerce Directory | A2A agent | Yes | 5 | 90/100 |
| Agentropolis | A2A agent | Yes | 3 | 90/100 |
| Creator Desk Machine Distribution | A2A agent | Yes | 2 | 90/100 |
| fyi | A2A agent | Yes | 7 | 90/100 |
| HANRIA mandate check | A2A agent | Yes | 2 | 90/100 |
| Chit402 | x402 paid API | Yes | 1 | 89/100 |
| A2A Peptides | MCP server | Yes | 20 | 80/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- AgentNDX Live MCP
Search and discover MCP servers, A2A agents, and x402-enabled services. The agentic web's directory — add `https://agentndx.ai/mcp` to your MCP client to search 59+ servers by name, category, or capability. Pay $0.005 U…
MCP server · jl-3044 · also does agent infrastructure
- ANAMIZED Desk Live MCP
Agent floor and MCP market: catalog, rack, Stripe checkout, x402, A2A.
MCP server · io.github.ANAMIZED · also does agent infrastructure
- iwant.fyi Live MCP
Demand-side commerce for AI agents. Tell iwant.fyi what your user wants to buy and get back product matches ranked across multiple sources in a single call — category-agnostic, with the agent's structured constraints (a…
MCP server · iwantfyi · also does agent infrastructure
- Kenwea — Sandbox Attestation & Agent Marketplace Live MCP
Signed sandbox verdicts on any artifact, plus an agent marketplace. No key, no signup, no payment.
MCP server · com.kenwea.www · also does agent infrastructure
- Agent Checkup by OpenGlass Live A2A
Checks an A2A agent from the outside and tells you what to fix. Give it an agent-card URL or a domain. It fetches the agent card and validates it against the current A2A schema, sends the agent one harmless test message…
A2A agent · OpenGlass · 1 skill · check 90/100 · also does agent infrastructure
- Agent Economy OS 2047 — A2A Commerce Directory Live A2A
Public A2A discovery assistant for AI agents that want to discover four experimental x402 services on Base: pre-action policy checks, owner-signed spending rules and public USDC transfer receipt evidence. This directory…
A2A agent · Agent Economy OS 2047 · 5 skills · check 90/100 · also does agent infrastructure
- Agentropolis Live A2A
Search engine for agent-usable tools: MCP servers, x402/MPP paid APIs, A2A agents and kits, with payment-verified trust scores and honest badges (Verified, Live-Tested, Trusted auto-computed; Agentropolis Pro is a label…
A2A agent · Agentropolis · 3 skills · check 90/100 · also does agent infrastructure
- Creator Desk Machine Distribution Live A2A
Evidence-backed x402, MCP and A2A distribution service that audits machine discovery, repairs metadata and purchase-path gaps, submits eligible listings, and verifies public read-back.
A2A agent · Creator Desk AI · 2 skills · check 90/100 · also does agent infrastructure
- fyi Live A2A
Reference implementation of the iwant.fyi demand-side protocol v1.0. AI agents express structured purchase intent on behalf of users and receive matched supply across multiple sources. MCP-native with HTTP fallback. Cat…
A2A agent · iwant.fyi · 7 skills · check 90/100 · also does agent infrastructure
- HANRIA mandate check Live A2A
Check whether a proposed agent action is allowed before you act. Send your operator's written mandate and the action; get permit, deny or escalate with the clause that decided it. Free and advisory: it cannot stop an ac…
A2A agent · HANRIA · 2 skills · check 90/100 · also does agent infrastructure
- Chit402 Live x402
Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk for agent spend — export, policy, evidence. Possession book for principals. POST /v1/chat/completions retur…
x402 paid API · 1 endpoint · check 89/100 · 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