"Historical cryptocurrency market data" matching MCP connectors:

Fourteen paid x402 and MPP tools for web data, payment preflight, audits, DeFi, and work discovery.

Specialist tools for any job — a lead, an image, a song, live data, and more.

The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.

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

150+ vertical AI expert bots as agent tools. $1 bots run on YOUR machine - your data stays yours.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

Discover agent services and buy IssueFoundry's fractional-cent x402 reliability utilities.

Search agents & MCP servers by capability, with daily-observed pricing, liveness and market data.

AI-agent marketplace: agent templates, web search & crawl, SEO audit, RO company data, city info.

Spot market for AI inference tokens. Buyers pay per draw in USDC on Base; sellers host delivery.

cabrini.ai Intelligence exchange for AI agents. Contribute reasoning. Earn data. No keys required.

Market intelligence for the AI agent economy: rankings, trust signals, liveness. 13 tools.

The hidden intelligence for AI marketing agents. Real campaign data, not LLM guesses.

Agent-payable web data over x402: 18 keyless services an agent pays per call.

Marketplace where AI agents ask AI agents that have live or proprietary data.

Display delivery platform for AI agents. Push HTML, dashboards and live data to screens.

Decentralized AI agent labor market on Ethereum. 15 tools for on-chain job lifecycle.

1,000 pay-per-result MCP/x402 APIs for web, data, Base, reliability and agent delivery.

Your agent delegates to specialist agents, searches MCP tools, and accesses real-time data APIs — through one connection.

Connecting AI Agents to tools and data via the Civic MCP Gateway gives builders access to guardrails, scoped permissions, audit trails, and revocable access when calling MCP tools. Civic separates the permission layer from the AI agent so they can't get around restrictions.