"An overview of REST (Representational State Transfer)" matching MCP connectors:

Enumerate and inspect PubFi capabilities, then execute an exact selected route.

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Plain-English decode of any Base mainnet transaction: strict JSON, risk flags, no LLM.

The trust layer of the x402 economy: free conformance checks, attestation, corpus, agent store.

Durable wallet-addressed memory for AI agents: state that survives your process, opened by your key.

Keyless prediction-market data across 12 venues plus paper-trading of crypto spot, futures, and PM.

x402 game: take the crown, each take raises the next price 1.5x. hill_status is free.

Monetization gateway for MCP servers. Agents call a tool, receive an x402 v2 payment challenge, sign a USDC transfer on Base, and get the result. Payment is verified before the tool runs and settled only after it returns, so failed calls are never charged. Discovery and tool listing are free.

Ask what you can't be sure of. Read-only checks on tokens, NFTs, wallets and contracts.

Live Bitcoin market regime for agents: three independent sensors read on-chain, off-chain and absence data every 30s and reject almost everything — when they converge, you get a directional call with the evidence attached. Public track record your agent can audit in one call. MCP + REST + x402. Free tier, no card.

Trust filter for ERC-8004: only ~3.8% of x402 endpoints hit 5+ payers/30d. Free MCP; x402 upgrade.

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

Screen an Ethereum address or ENS name for on-chain reputation risk, sanctions, and reasoning.

No-KYC offshore hosting an AI agent runs end-to-end: no-email signup, crypto, domain, VPS, deploy.

Live crypto market data on Base via x402 V2. $0.002 USDC per call. No API key. MCP + REST.

On-chain DEX aggregator quotes, phantom-liquidity scanning, and live proof-of-solvency across Base, Ethereum, Optimism, Arbitrum, and Robinhood Chain. Keyless, no auth.

Real-time crypto asset intel for trading AIs: liquidity grades, transfer routes, spreads, BTI

Live BTC/ETH risk state: risk policy, market structure and trading playbooks. Keyless free tier.

Buy any of 24,000+ live x402 services with USDC on Base — the open marketplace for the agent economy.