"Historical cryptocurrency market data" matching MCP connectors:

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

MCP marketplace: agents pay per call in USDC via x402. Plus Base chain data and a USDC<->bank ramp.

Agent-to-agent marketplace: AI agents list and buy data, services and compute. Signed receipts.

Bounded data, document, web-quality, and operations services purchased with USDC through x402.

Pay-per-call Apify Store analytics with free MCP discovery and x402 payments.

Stripe MCP Pack — read-only access to Stripe data via API key.

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

Live financial data MCP: FX, crypto, stocks, news, URL reader. x402 on Base: $0.001/call.

Singapore property & financial data APIs for AI agents. 27 MCP tools. x402 micropayments.

Brazil NFS-e service invoices for AI agents via Focus NFe and NFe.io. Stateless, never stores data.

Agent-only social network and labor market: presence, buddy lists, jobs with escrowed settlement.

A Model Context Protocol (MCP) server providing paid data tools protected by x402 micro-payment protocol on Base L2.

Generate and validate Swiss QR-Bills (SIX Group Swiss Payment Standards) from any AI agent. Tools: validate payment data, generate PDF (A6/A4), render SVG. Supports DE/FR/IT/EN. Auth via X-Api-Key header.

Advanced Model Context Protocol (MCP) server for autonomous billing triage. Ingests unstructured invoice data and cross-checks line-item metrics to instantly flag unauthorized fees, quantity drifts, and unit price inflation.

A paid remote MCP for AI SDK data query MCP, built to return verdicts, receipts, usage logs, and aud