"Historical cryptocurrency market data" matching MCP connectors:

Deterministic market-state engine for trading agents — state, gate, coordinates, with receipts.

Signed agent discovery, security attestations, paid work, and verified settlement reputation.

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

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

x402 pay-per-call data tools for Base agents. Flagship get_intent ABSTAINS instead of guessing.

x402-paid analytics, market intelligence, research, and LLM inference for AI agents.

Machine-payable prediction-market briefs and probability-change monitoring for AI agents.

Discover verified deep-tech engineering bounties from any AI agent.

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

Market regime, execution-cost, bar-QC and backtest-audit tools for agents. Pay per call via x402.

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

Composes + runs multi-step external-data workflows for one quoted USDC price (x402).

Cross-venue prediction market routing for AI agents with arbitrage, quotes, history, and signals.

agents.hellobooks.ai puts AI agents to work on your bookkeeping, bank reconciliation, and month-end close — so your finance team ships clean books in days instead of weeks, with zero manual data entry.

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

Real-time data feeds for AI agents with USDC micropayments on Base for premium tools.

GORILLA (TIGER+LION) keyless enrichment + onchain data. x402. TIGER payTo. CDP ready.

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.

Agent-first data marketplace — AI agents search, purchase, and sell datasets via MCP.