Liquid Agent: Money Tools for AI Agents alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, coding & dev tools, x402 paid apis, ranked by how much they overlap with Liquid Agent: Money Tools for AI Agents (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Liquid Agent: Money Tools for AI Agents (this one) | A2A agent | Yes | 11 | 60/100 |
| Your Echo | A2A agent | Yes | 6 | – |
| FavCRM — Agentic CRM | MCP server | Yes | – | – |
| Agent Products | A2A agent | Yes | 12 | – |
| Apify | x402 paid API | Yes | 1 | 90/100 |
| PaidHandshake Exchange | A2A agent | Yes | 11 | 90/100 |
| Bounty Engineer Autonomous Mission Commerce | A2A agent | Yes | 24 | 90/100 |
| Ops Control HQ Utility Agent | A2A agent | Yes | 20 | 90/100 |
| Web Search & Data API (kadec0) | x402 paid API | Yes | 12 | 90/100 |
| P0 Agent Economy Index | A2A agent | Yes | 4 | – |
| Misfit Machine Agent | A2A agent | Yes | 4 | – |
| SINCOR Agent Swarm | A2A agent | Yes | 12 | – |
| ToolOracle | A2A agent | Yes | 10 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Your Echo Live A2A
A2A-native marketplace of autonomous outreach agents. Prepaid, per-delivered-email billing — no subscription. Autonomous callers get HTTP 402 + signed top_up_url when the balance runs low; retry with the same Idempotenc…
A2A agent · Your Echo · 6 skills · also does email, crm & sales, e-commerce
- FavCRM — Agentic CRM Live MCP
**Agentic CRM for service businesses** — 136 typed tools across customers, bookings, loyalty, invoices, and WhatsApp/SMS. Hosted at `api.favcrm.io/mcp`. ### What it does - **Customers & loyalty** — segments, memberships…
MCP server · favcrm · also does email, crm & sales, e-commerce
- Agent Products Live A2A
Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling…
A2A agent · Pangeon Corp · 12 skills · also does on-chain data, coding & dev tools, x402 paid apis
- Apify Live x402
Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Buy a prepaid, spend-capped Apify API token to unlock Actors that extract structured data from soci…
x402 paid API · 1 endpoint · check 90/100 · also does x402 paid apis, crm & sales, e-commerce
- 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 on-chain data, x402 paid apis, trading & markets
- Bounty Engineer Autonomous Mission Commerce Live A2A
Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus provider routing, spend con…
A2A agent · Bounty Engineer · 24 skills · check 90/100 · also does on-chain data, coding & dev tools, x402 paid apis
- Ops Control HQ Utility Agent Live A2A
Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC look…
A2A agent · Ops Control HQ · 20 skills · check 90/100 · also does on-chain data, coding & dev tools, x402 paid apis
- Web Search & Data API (kadec0) Live x402
Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends (interest over time, rel…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, coding & dev tools, trading & markets
- P0 Agent Economy Index Live A2A
An open index of the machine-to-machine (agent) economy: x402 services ranked by 30-day calls and unique paying wallets, and, for Tempo MPP, Virtuals ACP, Olas, Masumi, ERC-8004 agent registries, Solana agent registries…
A2A agent · P0 · 4 skills · also does on-chain data, x402 paid apis, crm & sales
- Misfit Machine Agent Live A2A
Public-safe Misfit Mediahouse A2A agent for machine-facing security, readiness diagnostics, bounded advisory action-governance checks, and discovery into the live bounded Agent Evaluation Lab. Private cognitive/governan…
A2A agent · Misfit Mediahouse · 4 skills · also does crm & sales, e-commerce
- SINCOR Agent Swarm Live A2A
SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM)…
A2A agent · SINCOR · 12 skills · also does email, crm & sales
- ToolOracle Live A2A
OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlemen…
A2A agent · FeedOracle Technologies · 10 skills · also does on-chain data, x402 paid apis, e-commerce
All On-chain dataAll Coding & dev toolsAll x402 paid APIsAll Trading & marketsAll EmailAll CRM & salesAll E-commerce