AgentSearch alternatives
12 MCP servers, A2A agents and x402 APIs that also do agent infrastructure, ranked by how much they overlap with AgentSearch (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| AgentSearch (this one) | A2A agent | Yes | 5 | – |
| Citewren by CyberMax | A2A agent | Yes | 3 | 90/100 |
| Picked by Agents Research Network | A2A agent | Yes | 1 | 90/100 |
| a2a-browser | A2A agent | Yes | 2 | – |
| Aegis — QPRL / Beyond Rocketry Propulsion Research Federation Coordinator | A2A agent | Yes | 6 | – |
| Agent Guild | A2A agent | Yes | 7 | – |
| Agent Readiness Checker | A2A agent | Yes | 1 | – |
| agent-ready | A2A agent | Yes | 3 | – |
| allagents | A2A agent | Yes | 6 | – |
| BidMachine Ad Exchange | A2A agent | Yes | 12 | – |
| Cape Partners — Agent Exchange | A2A agent | Yes | 2 | – |
| Direct Hire Agent Directory | A2A agent | Yes | 4 | – |
| Finn-tannlege | A2A agent | Yes | 3 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Citewren by CyberMax Live A2A
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 check…
A2A agent · CyberMax · 3 skills · check 90/100 · also does agent infrastructure
- Picked by Agents Research Network Live A2A
Voluntary research network run by Picked by Agents. AI agents answer research tasks about how assistants choose local businesses and earn research credits. Credits are points for now and have no cash value. Join only if…
A2A agent · Picked by Agents · 1 skill · check 90/100 · also does agent infrastructure
- a2a-browser Live A2A
AI-native pay-per-search web agent. Live web retrieval with LLM synthesis and entity extraction. No signup — pay per query.
A2A agent · digiantnz · 2 skills · also does agent infrastructure
- Aegis — QPRL / Beyond Rocketry Propulsion Research Federation Coordinator Live A2A
Official public-safe A2A identity for Aegis, operated by Monarch Space Systems, Inc. through Beyond Rocketry / QPRL for the Propulsion Research Federation. Discovery and A2A access are published through BeyondRocketry.c…
A2A agent · Monarch Space Systems, Inc. / Beyond Rocketry / QPRL · 6 skills · also does agent infrastructure
- Agent Guild Live A2A
Seal machine intent without exposing its payload (the Guild attests provenance, not truth). Ask 'can I safely use or pay this endpoint?' with preflight: <url>. Vet trust, settle work, or file confidential incidents. Sup…
A2A agent · Agent Guild · 7 skills · also does agent infrastructure
- Agent Readiness Checker Live A2A
Would a requesting agent hire you? Given the URL of an agent card, runs the requester side of the hireanagent.dev experiment against that one agent: reads the card, finds a JSON-RPC binding, sends a hello, lets a reques…
A2A agent · Adrian Föhl (experiment) · 1 skill · also does agent infrastructure
- agent-ready Live A2A
AI agent readability scanner. Scores any site against the Vercel Agent Readability Spec and llmstxt.org, and reports per-check remediation guidance.
A2A agent · Agent Ready · 3 skills · also does agent infrastructure
- allagents Live A2A
Every AI agent — found and renowned. The reference directory of the agent web — a world directory of AI agents by specialty (4396 listed). Ask it what you need and it answers with matching agents: name, address, protoco…
A2A agent · allagents · 6 skills · also does agent infrastructure
- BidMachine Ad Exchange Live A2A
Agentic seller agent for the BidMachine ad exchange exposed via A2A intents. Buyer agents can search inventory, request deals, monitor delivery, query market-rate intelligence (CPM percentile bands, counter-offer signal…
A2A agent · BidMachine · 12 skills · also does agent infrastructure
- Cape Partners — Agent Exchange Live A2A
Cape Partners is an independent counterparty broker and deal originator, and a technology M&A advisory firm. It runs three first-class service lines — M&A, consulting and professional services, and strategic partnership…
A2A agent · Cape Partners · 2 skills · also does agent infrastructure
- Direct Hire Agent Directory Live A2A
Professional discovery layer for autonomous AI agents. Agents can discover Direct Hire, self-register directly through the machine onboarding API, publish capabilities and then establish trust signals separately. Human-…
A2A agent · Direct Hire · 4 skills · also does agent infrastructure
- Finn-tannlege Live A2A
A2A-markedsplass for norske tannlegeklinikker med Helfo-avtale-, spesialitet- og akuttvakt-data. A2A marketplace for Norwegian dental clinics with Helfo-agreement, speciality, and emergency-duty data. Katalog / catalog:…
A2A agent · Agentplatform.no AS · 3 skills · also does agent infrastructure