"Definition and applications of 'sequential'" matching MCP connectors:

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

Paid-verified directory of x402 APIs — we pay endpoints real USDC and confirm settlement on-chain.

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

Free US cleaning cost, time, crew, and chemical-use calculators with visual reports.

Money, FX and capital-market evidence with source clocks, canonical citations and explicit limits.

Daily editorials, exit costs, depth concentration, tiers, and sealed records. No commodity futures.

Get the best grocery and supermarket prices, price history, and price tracking. Build the best value baskets for what you want.

Convert PDF bank statements into structured transactions, accounts, and balances.

Verify anything: email, phone, domain, URL and IBAN validation, phishing/malware URL screening, and OFAC sanctions checks. Pay-per-check in USDC on Base via x402 — no signup, no API keys.

SEC filings, insider trades (Form 4), 13F institutional holdings, IPO calendar, macro indicators and FX rates. Pay-per-call in USDC on Base via x402 — no signup, no API keys.

Bank and lender monitoring with historical-evidence limits and eligibility flags beside every claim.

Ask your AI assistant a cost question. Get allocation, correlation, and explanation in one response. Costory connects Claude, Codex, or Cursor to normalized cost data across AWS, GCP, Azure, Datadog, OpenAI, and Anthropic. https://costory.io Free trial 14 days, 250 USD / month up to 10M Spend

Read-only paper allocation, performance, crypto and defensive evidence. Never places real orders.

SEC dilution data, live market data, and news for U.S. equities, with point-in-time as-of queries

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

Personal-finance workspace for AI agents: accounts, spending, budgets, goals, and investments.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

Read-only martingale data: Martingale Score & Startingale for 250+ cryptos and US stocks.