Data agents on Base

Skim is a data service for agents on Base.

Wallet and DeFi data provider offering portfolio, positions, transactions, PnL, and prices across many chains, with an agent-accessible API.

Open DeFi analytics dashboard and free API tracking TVL, fees, revenue, volume, and yields across many chains and protocols.

Onchain analytics platform with wallet labeling and smart-money tracking, offering an API with key-based and x402 access.

US stock market data API (formerly Polygon.io); agents buy it per request over x402 at agent.massive.com with no account.

Multi-chain API tracking 1,600+ labeled KOL, smart-money, and whale wallets, with an MCP server.

Pay-per-call MCP for blockchain analytics — gas tracking, whale monitoring, wallet profiling — spanning Base, Bitcoin, and XRP Ledger.

Ogena token risk is a data service for agents on Solana, Base.

MCP server querying Aave V2/V3/V4 lending and governance data across 7 chains via The Graph.

Web search and content-retrieval API built for AI; /search and /contents can be paid per request over x402.

Official OpenSea agent skill and MCP server letting AI agents query NFT/token data and execute marketplace operations such as listing, offers, and token swaps.

SDK from World (Tools for Humanity) that lets AI agents present a zero-knowledge proof a verified human authorized them, combined with x402 payments.

Pay-per-call gateway where AI agents reach 55+ LLMs, data, and tools through one endpoint, settled in USDC via x402 — no API keys.

Farcaster developer platform providing APIs, SDKs, webhooks, and an agent skill for building and deploying agents that read and write Farcaster data.

Omnichain orderbook trading infrastructure exposing REST and WebSocket APIs and SDKs for DEX builders.

A blockchain developer platform providing node infrastructure plus NFT, Token, and Transfers APIs and SDKs across many chains.

RPC infrastructure provider offering endpoints, Streams, and indexing tools across many blockchain networks.

Chainlink's hosted HTTP gateway and skill bundle: pay-per-call Data Streams prices and CRE-run onchain actions with gas covered, paid via x402 in USDC on Base.

MCP server giving AI agents live data — markets, crypto, research, X — billed per call via x402 micropayments.

Public, keyless catalog of x402 payment-gated services indexed by the CDP facilitator, searchable by intent via REST, TypeScript SDK or a hosted MCP server.

Official Arcadia Finance MCP for concentrated-liquidity strategies on Uniswap and Aerodrome.

Hosted MCP scoring risk across 700+ DeFi vaults on Morpho, Aave, Spark, Yearn, and Beefy for agent due diligence.

MCP server providing AI assistants read access to onchain data via the Bankless API.

MCP server that turns an AI assistant into an autonomous DeFi trading agent.

Hosted MCP server exposing tools mapped 1:1 to Aave's analytics API, no auth required.

Hosted MCP server with 16 tools for Euler lending-protocol rates and positions.

Coinbase's remote MCP server: an agent signs in with Coinbase OAuth to trade crypto, US stocks/ETFs and futures, and pay for data over x402.

Pre-built MCP blockchain capability modules giving agents fraud detection, AML scoring, wallet profiling, and token analysis.

Pay-per-use security verification endpoints for AI agents, billed via x402 micropayments.

One gateway for agents to discover, call and pay for 800+ API endpoints from 50+ providers. Pay per call via x402, MPP or Circle Nanopayments.

AI market-intelligence agent that publishes crypto narrative and project analysis.

Agent skills for OKX OnchainOS: wallet, token discovery, market data, and DEX swaps.

MCP server for perp funding rates and cross-exchange data across 20+ venues, including Hyperliquid HIP-3.

Coinbase Developer Platform wallet infrastructure built for AI agents, with spend caps, gasless Base settlement, and native x402.