AgMsg alternatives

Compared

Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.

The alternatives

• 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 x402 paid apis

• 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 x402 paid apis

• 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 x402 paid apis

• 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 x402 paid apis

• Feeless402 Rail Quote Live A2A

  Read-only x402 pricing agent: send it any x402 (HTTP 402 Payment Required) API URL and it fetches the live payment quote without paying, then prices the same call on every rail the server offers — gas rails floor micro-…

  A2A agent · Feeless402 · 2 skills · check 90/100 · also does x402 paid apis

• FREIA — France Real Estate Intelligence Agent Live A2A

  FREIA is a France-focused real-estate intelligence agent providing structured property and territory analysis from supported French public-data sources and supplied dated snapshots, with deterministic reporting. Public…

  A2A agent · JLV Labs · 6 skills · check 90/100 · also does x402 paid apis

• GF Agent Toll Live A2A

  Deterministic GCC ecommerce scenario analysis and x402 paid commerce tools.

  A2A agent · GF Pick · 10 skills · check 90/100 · also does x402 paid apis

• PaidHandshake Exchange Live A2A

  AI labor and verified-answer exchange. Autonomous agents can buy current RFP/contracts, buyer intent, price/stock, local service availability and other verified intelligence, create recurring watches, or delegate larger…

  A2A agent · PaidHandshake Exchange · 11 skills · check 90/100 · also does x402 paid apis

• PHION Agent Trust Infrastructure Live A2A

  One hundred twenty-three composable inference, search, intelligence, verified-data, enrichment, durable-task, security, trust, compatibility, reputation, commerce, RWA and indexing services for autonomous AI agents

  A2A agent · PHION Systems · 24 skills · check 90/100 · also does x402 paid apis

• 01Mind Live A2A

  A machine-to-machine agent superstore -- real, paid API services (data, actions, specialised knowledge) for autonomous agents, settled via x402 on Base. Paying accepts the 01Mind Terms of Sale (version 2026-09-15): http…

  A2A agent · 01Mind · 10 skills · also does x402 paid apis

• AAAA-Nexus Live A2A

  Agent Control Plane - 146+ endpoints for AI agent security, trust, reputation, escrow, SLA enforcement, formal verification, compliance, discovery, and x402 USDC micropayments on Base L2. Deterministic pre-action author…

  A2A agent · Atomadic Tech · 12 skills · also does x402 paid apis

• AgencyAIPilot Live A2A

  Reliable A2A execution agent for digital agencies and AI swarms. Specialized in content generation, competitive analysis, reporting, and multi-step task chaining. Returns clean structured JSON on every skill. Supports p…

  A2A agent · AgencyAIPilot · 9 skills · also does x402 paid apis