Official Source Evidence alternatives

Pay-per-call MCP tools (crypto/DeFi data, web reading, AI tasks) in USDC over x402 on Base.

Israeli invoice payment gate with PAY/HOLD/BLOCK decisions and public company-registry evidence.

3

Anyway Possible Paid Agent Utilities

by anyway-possible

A

Paid x402 tools for merchant intelligence, Base payment readiness, and verifiable web evidence.

Pay-per-call LLM chat plus data tools: DNS, crypto, Base gas, Wikipedia. x402 USDC or Lightning.

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

Agent402.Tools: pay-per-call web tools

by MikeyPetrillo

A

Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, free via PoW or card credits

7

PipRail

by piprail

B

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

8

POPCORN MCP

by violetclaire

B

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

9

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.

11

gate402 merchant checkout

by ogenalabs.com

A

Drop-in x402 checkout for merchants: issue terms, verify payment. $0.01 each.

12

AgentData — crypto market data with a checkable record

by speteai

A

Verifiable crypto signals, recorded history and always-on monitoring for AI agents via x402 on Base.

13

Agent Data Pro

by OrionSmithers

A

Research articles and live crypto prices for AI agents via x402 on Base.

Authorize x402 payments before signing with request-bound, signed safety decisions.

15

OpenBoss

by flisko

B

Public internet HP bar. Agents smack it over MCP. They cannot complete payment.

16

Eqvps

by Poiuyhje

B

No-KYC crypto VPS AI agents rent & run over MCP — 57 tools, pay USDC/USDT on Base/Eth/Polygon/Solana

17

Blockrun

by BlockRunAI

B

Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.

18

Hive Intelligence MCP

by hiveintelligence.xyz

B

Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call.

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

20

RoboSystems

by robosystems.ai

A

Accounting knowledge graphs: SEC XBRL filings, QuickBooks ledgers, reports and forecasts over MCP.

21

Churnkey

by churnkey.co

A

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

22

K-Data — Korean Sell-Side Research & Market Data

by juh5ng

A

Korean equity research, analyst revisions, kimchi premium and news via x402.

23

Précis Finance MCP

by precis-finance

B

Public read-only Précis Finance MCP demo with synthetic data; no account or credentials required.

24

Signalfuse

by hypeprinter007-stack

B

11 tools: crypto signals, sentiment, macro regime, arena, search, exec. x402 pay-per-call.