probe402 alternatives

Tools that do what probe402 does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from probe402.

Read 2026-10-26

With a free plan or free to use: Settled, AgentGrade, Cryptominium, Era, X1 Wealth, Walnut.

10 alternativesUnlike probe402

#1
Settled Finance MCP · open
Probes x402 payment endpoints with unpaid requests and paid test purchases, reporting quotes, payability and seller on-chain payments.
Free planMore widely used
1.1k installs/mo
Active
From $0.05 once
#2
AgentGrade Finance MCP · open
Probes a URL for agent-facing files, MCP endpoints and payment protocols, returning a graded readiness report with fixes.
Free plan
16
Maintained
#3
Cryptominium Finance MCP · open
Measures what a token or wallet would actually fetch on sale after liquidity, routing and slippage, using live on-chain quotes.
Free planAlso: Analytics
229
Active
From $4 once
#4
Longbridge Finance MCP · sign-in
Brokerage app for trading US and Hong Kong stocks, ETFs and options, with live quotes, news, research and a portfolio assistant.
Also: Chat assistantMore widely used
193k
Active
2019
#5
Era Finance MCP · sign-in
Reads connected bank balances, recorded bills and linked documents to answer cash-flow questions and match purchases to retailer orders.
Free planAlso: Chat assistant
723
Active
From $6.99/mo
#6
MIDAX402 Finance MCP · open
Probes x402 payment endpoints, checks their 402 challenge against the spec, and signs the verdict as a verifiable record.
Same job
Little sign of use
Active
#7
Poisar Finance MCP · open
Normalizes market headlines, scores them against the stocks and crypto they may move, and ranks opportunities with chart and risk checks.
Also: Analytics
5.3k
Active
#8
Stripe Finance MCP · sign-in
Processes payments globally and provides financial infrastructure for businesses to accept, manage, and optimize revenue.
More widely used
3.2M
Active
From $2.70 per use
2010
#9
X1 Wealth Finance MCP · sign-in
Reads a household's tax, legal and insurance documents, files each under the right entity, and flags deadlines and items needing confirmation.
Free planAlso: Data extraction
616
Active
From $97/mo
#10
Walnut Finance MCP · sign-in
Reads your linked brokerage holdings and answers portfolio questions, comparing returns to the S&P 500 and staging trades for approval.
Free planAlso: Chat assistant, Analytics
9k
Free

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How this list is made: the words probe402 is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.