Kenwea — Sandbox Attestation & Agent Marketplace alternatives

1

three.ws Agent Payments

by nirholas

B

Governed x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.

2

Payqr

by cz-agents.dev

A

European payment QR — SPAYD (CZ/SK) & EPC/GiroCode (SEPA), plus text/WiFi/vCard. Local, free.

MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

4

Yolfi Payments MCP

by yolfinance

A

Let AI agents add Yolfi crypto checkout, paylinks, webhooks, and status checks.

5

X402 List

by x402-list.com

A

Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.

6

SatGate – Economic Firewall for AI Agents

by SatGate-io

A

Budget, payment and audit controls for AI agent API calls and MCP tool calls.

7

Quickbooks

by codespar

B

MCP server for QuickBooks Online (Intuit) — customers, invoices, payments, items, accounts, P&L

8

Pluggy

by codespar

B

MCP server for Pluggy — Open Finance Brasil aggregator: accounts, transactions, payment initiation

9

Sato Hub: Build Onchain & Crypto Agents

by satohub.ai

B

Build any crypto agent: x402, ERC-8004, wallets. Does a server take your key? Hosted? Maintained?

10

three.ws 3D Studio (free)

by nirholas

B

Free text/image → 3D: generate, rig, avatar-ify, and refine GLB models. No auth, no payment.

11

Mpp32

by MPP32

B

Payment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call.

12

Bykaranteli

by bykaranteli.com

A

Crypto derivatives data: funding, OI, liquidations, options, ETF flows. Free account key required.

13

PayRam

by payram.com

B

Install, configure, operate and integrate self-hosted PayRam crypto payment gateways.

14

Trading Signals

by roman-rr

A

Live AI crypto trading signals for agents. Try 3 signals without a key; sign in from your agent.

15

CoinRithm Agent Trading

by CoinRithm

A

Keyless prediction-market data across 12 venues plus paper-trading of crypto spot, futures, and PM.

16

Fortrip

by FortripEngineering

A

Search hotels worldwide, compare live room rates, and create booking payment links.

17

Elfa

by elfa.ai

B

Crypto social intelligence from X and Telegram, plus the Elfa Auto condition engine

18

Crypto Trends MCP

by trendsmcp.ai

A

Crypto token and narrative trend volume over time, with growth signals. Free key at trendsmcp.ai

19

ru-marketplace-mcp

by Vladimir-Human

A

Read-only MCP servers for Russian marketplaces: prices, stock, ratings, reviews, seller identity

20

Churnkey

by churnkey.co

A

Read and manage Churnkey cancel flows, retention metrics, and payment recovery

Allow, ask, or veto — a policy decision point your agent consults before signing any payment

22

Xero

by mindstone

A

Xero MCP server for invoices, contacts, payments, quotes, and financial reports.

23

Central Bank Rates (AllRatesToday)

by allratestoday.com

B

Official central-bank & tax-authority rates from 100+ sources. No API key needed to start.

24

Leki

by ContentWriterco

A

Polish medicines: refunded drug prices, patient co-payment and cheaper substitutes