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Evidence for your next connection.
Independent measurements of remote MCP servers. Every observation has a timestamp.
Read-only probesFind a server for your workflow, with connection evidence you can inspect.
28 agent tools via x402: crypto data, tx checks, web fetch. MCP pays Base USDC; HTTP adds 3 rails.
Finance & CryptoPayments & trading
Median latency 541 ms · Last checked
Verify a Florida business in official Sunbiz records: status, agent, officers. 0.10 USDC via x402.
Finance & CryptoPayments & trading
Median latency 544 ms · Last checked
NeruoticFarrowVerified
Pay-per-call change-intelligence feeds for AI agents over x402 (deps, security, regs, tariffs)
Median latency 548 ms · Last checked
0xAxiomVerified
x402-paid Base agent tools (USDC). 5 deterministic tools. No API keys. No NFT pass.
Finance & CryptoPayments & trading
Median latency 553 ms · Last checked
x402 structured link extraction for agents. $0.0005 per successfully processed page.
Median latency 559 ms · Last checked
MCP server for ABRA Flexi — accounting, contacts, stock and draft-checked invoice creation.
Finance & CryptoPayments & trading
Median latency 566 ms · Last checked
mazzagrp.comVerified
23 pay-per-call AI APIs for agents: x402, USDC on Base, no API keys.
Finance & CryptoPayments & trading
Median latency 566 ms · Last checked
zev-lllVerified
FRED macro data, Treasury yields, FX rates & macro indicators for AI agents. Pay-per-query via x402.
Median latency 568 ms · Last checked
1,400+ tool A2A, MCP & x402 clearinghouse with free semantic discovery and paid execution.
Finance & CryptoPayments & trading
Median latency 573 ms · Last checked
jgsierraVerified
Ask a real human (not an LLM) for a judgment, $0.10 USDC via x402. The result returns to the agent.
Finance & CryptoPayments & trading
Median latency 587 ms · Last checked
The White Report news archive: crypto and AI stories, search, full text, ticker, graded calls.
Finance & CryptoPayments & trading
Median latency 587 ms · Last checked
Open Graph, JSON-LD, canonical, robots, headings and page metadata extractor via direct x402 MCP.
Median latency 589 ms · Last checked
paidfor.devVerified
Check an x402 seller before paying: verdict, failure rate and evidence from paid calls on Base.
Finance & CryptoPayments & trading
Median latency 589 ms · Last checked
Fizzl13Verified
Is this AI agent safe with a wallet? Signed x402 Agent Safety exam results, and live demos.
Finance & CryptoPayments & trading
Median latency 596 ms · Last checked
Retirement drawdown, 72(t) SEPP, RMD, Roth conversion, Social Security and state-tax calculators.
Finance & CryptoPayments & trading
Median latency 603 ms · Last checked
UltraStarzVerified
Web search, pages and PDFs, crypto market data, SEC filings and weather for agents. USDC per call.
Finance & CryptoData access / search
Median latency 605 ms · Last checked
x402 sitemap discovery and URL extraction for agents. $0.0001 per emitted URL.
Median latency 616 ms · Last checked
Read-only MCP for curated crypto, Web3, and memecoin picks and reports.
Median latency 621 ms · Last checked
Trust layer for x402 A2A trades: reputation, pre-hire checks, escrow, disputes, delegation chains
Median latency 624 ms · Last checked
Agents pay for work and prove it. Verified checks $0.15, recovery $1.00. USDC on Base via x402.
Finance & CryptoPayments & trading
Median latency 630 ms · Last checked
Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work
Finance & CryptoPayments & trading
Median latency 634 ms · Last checked
Book0fEliVerified
Check x402 endpoints before your AI agent pays: grades, payment checks, refunds, receipts.
Finance & CryptoPayments & trading
Median latency 635 ms · Last checked
中国 31 省市社保政策、392 城五险一金基数与费率、税后工资、个税汇算、年终奖与养老金测算引擎。
Finance & CryptoPayments & trading
Median latency 639 ms · Last checked
Rent verified subdomains by the hour, day, or month. Free 24h trials, x402 USDC on Base.
Finance & CryptoPayments & trading
Median latency 658 ms · Last checked
Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence