2+ day, 2+ hour ago   (453+ words) I've been building XFINLAB, a financial intelligence API — market events, sentiment, technical analysis, macro data — with an MCP server for AI agents on top. Along the way I also built a handful of free, no-key tools directly into the site....

4+ day, 18+ hour ago   (484+ words) Everyone keeps saying the x402 economy is booming. I wanted to know where the payments actually settle, so on 2026-09-09 I pulled the full listing of the largest public x402 directory — all 680 services, every field — plus 90 days of their change feed, and counted....

4+ day, 23+ hour ago   (709+ words) Learn why a Polymarket TWAP state machine should model resolution, oracle observations, market time, and execution as separate states. A short-duration trading bot can receive every price update correctly and still make a structurally wrong decision. The reason is simple:…...

4+ day, 23+ hour ago   (800+ words) Networking advice often assumes the difficult part is finding the right words. In a community product, the harder problem is usually uncertainty: That ambiguity can feel like a confidence problem, but part of it is a protocol problem. A better…...

5+ day, 1+ hour ago   (761+ words) AI agents are moving beyond chat interfaces. In decentralized finance, they can monitor blockchain activity, analyze market data, identify opportunities, and potentially execute on-chain actions. But giving an AI system access to a blockchain wallet creates a serious security challenge....

5+ day, 2+ hour ago   (208+ words) AI room design tools are everywhere now, but most of them stop at one thing: I wanted to build something slightly different. Instead of only showing a redesigned image, I wanted users to see the transformation as a short before-and-after…...

5+ day, 8+ hour ago   (1367+ words) Robinhood Chain has recently seen a noticeable surge in on-chain activity. By late August 2026,... Tagged with uniswapv4, fmzquant, web3, defi....

1+ week, 13+ hour ago   (709+ words) Today Attri is open-sourcing OpenLedger — a local-first, double-entry accounting system with an MCP server on top. Python 3.11+, SQLite, aiosqlite. 15 tools exposed over MCP. Immutable transactions. Corrections via contra posting. Every mutation writes an audit-log row in the same DB transaction…...

1+ week, 3+ day ago   (664+ words) AI agents are getting better at doing things on their own. They can search for information, call APIs, compare options, run workflows and make decisions without someone sitting there approving every step. But there is one step that makes all…...

1+ week, 4+ day ago   (272+ words) Every backtest has to answer a boring question: when the strategy says "buy," what price does it actually get? Most backtesting frameworks answer this question badly by default, and the badness is almost always in the strategy's favor. Here are…...