
Base Build
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Base Build
@buildonbase
What will you build?


Coinbase Security Series: Base Azul Sepolia Audit Competition - feat. @Immunefi x.com/i/broadcasts/1…





Parallel is led by Twitter's former CEO. they just went live with x402, USDC on Base, zero API keys. the best services keep showing up where the agents already are.


i got a better breakdown of the SpaceX/Cursor deal than any single article i've read. cost me $0.01 and 90 seconds. the web was built to keep bots out. paywalls, CAPTCHAs, OAuth. so when your agent tries to research something, it hits walls everywhere. browsed agentic(.)market this morning, found @ExaAILabs on the services leaderboard. neural web search, pay per query, no account needed. pointed my agent at it in Claude Code. one query. $0.01. 10 full articles from Reuters, CNBC, Bloomberg, TechCrunch, NYT. what it found: SpaceX didn't acquire Cursor. they secured a $60B call option, exercisable by year-end, with a $10B breakup fee. the real motivation per Bloomberg: xAI lags in coding and Musk wants to catch up to Claude Code and Codex. this is an xAI play wearing SpaceX's jersey for the IPO. full walkthrough in the video (which is longer than the e2e research exercise!)



The @CoinbaseDev CLI and MCP make it easy for your agent to access data with x402. Here, Claude Code fetches price data from @nansen_ai using CDP's Server Wallets and the x402 protocol - all with a natural language interface. Agentic Commerce is happening, right now.

Looks CLEANN🤌🏼 But please bring back Dark mode!! 😁 (Cries with burnt retina)

How do AI agents actually find APIs to pay for on Base? 🔎💸 It's called the Bazaar: a discovery layer for x402-payable tools, and now it has an upgraded MCP 👀 Agents can now autonomously search, evaluate, and pay for APIs on the fly. Here is how it works under the hood 🧵👇

Introducing Frosty, our AI-powered smart contract auditing tool that outperformed every other tool we evaluated. It runs in ~1-2 hours, can be 100x cheaper than a manual audit, and is now part of every smart contract review at Coinbase. Here's how we built it: coinbase.com/blog/consumer-…

