Singularity Layer MCP alternatives

1

Churnkey

by churnkey.co

A

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

2

Cryptoetf

by sly13

A

Live spot crypto ETF flows for 13 assets, CEFI sentiment index and prices.

3

three.ws Agent Payments

by nirholas

B

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

4

X402 List

by x402-list.com

A

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

5

AlgoVault — Crypto Quant Trade Calls

by AlgoVaultFi

A

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

6

MCP

by bykaranteli.com

B

Crypto derivatives data: funding, open interest, liquidations, options, ETF flows. Free account key.

7

PipRail

by piprail

B

Budget-bound x402 payment wallet for AI agents — pays HTTP 402 URLs, capped locally. No backend.

8

Xero

by mindstone

A

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

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

10

POPCORN MCP

by violetclaire

B

Signed time and SHA-256 witness receipts for agents, with offline verification and x402 payment.

11

Easypaydirect

by praveendias1180

B

Read-only MCP server for the Easy Pay Direct (EPD) / NMI-family payment gateway Query API.

12

payware

by payware

B

payware A2A payments API for merchants, ISVs and payment institutions

13

X402 Data Gateway

by epistemedeus

B

Paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.

Lint an HTTP endpoint's x402 402 conformance; decode X-PAYMENT blobs; inspect a facilitator.

15

AurasPay Merchant MCP

by auraspay.com

A

Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.