DEVELOPER TOOLS

Agent-Manager wraps tmux into a Go TUI that groups AI coding agents by project, shows live status for each, and lets you answer blocked agents or review their changes without attaching to their terminal.

A companion guide to the Buzz video: Block's open-source Nostr relay workspace where humans and AI agents share the same rooms, with agent-first CLI, git integration, and workflows. Here is what it does and where it fits in the agentic dev stack.

A companion guide to the Grok 4.5 video: xAI's most intelligent model with a 500K context window, function calling, structured outputs, and a build-mode agent workflow for developers.

Agent-Manager, Pane, and Golutra let you run multiple CLI coding agents in parallel. Here is the comparison of architectures, agent support, and which fits your workflow.

Mitchell Hashimoto launched Superlogical, a company building a terminal multiplexer for all work: local dev, remote access, and agents. HN reaction, analysis.

MCP Apps shipped with the 2026-07-28 final spec - sandboxed interactive UIs for MCP servers. How they compare to standard tool calling and standalone web UIs, and when to use each approach.

PGSimCity is an explorable 3D city that models PostgreSQL internals - shared buffers, WAL, autovacuum, checkpoints, and replication. Built with three.js and TypeScript, it hit #1 on HN with 682 points.

Vercel Labs released Scriptc, a TypeScript-to-native compiler that produces self-contained binaries of 170-200KB with ~2ms startup times and no embedded JavaScript engine. The HN community is sharply divided on whether this is a genuine engineering breakthrough or another Vercel Labs project that will be abandoned in months.

Open Design lets you point Cursor or Claude Code at any live website and pull out a brand-ready DESIGN.md with colors, typography, spacing, and voice -- no manual extraction, no guesswork, all Apache-2.0.

Ruff v0.16.0 ships 413 default rules (up from 59), Markdown code-block formatting, and a new ruff: ignore system. Here is what changed, what HN is saying, and why zero-config linting matters more with AI coding agents.

The colon builtin is the shell's most underrated command - it evaluates arguments, discards results, and unlocks parameter expansion tricks that simplify scripts. HN debate: readable or cryptic?

A Google ADB maintainer proposed restricting on-device ADB connections to loopback, which would break Shizuku, libadb-android, Termux workflows, and an entire ecosystem of open-source power-user apps.

A technical deep dive into AM halftoning with ImageMagick hit the HN front page at 195 points. We break down the technique, the HN debate on dithering vs halftoning, and why this matters for developers.

A practical comparison of the four authentication platforms developers reach for when connecting AI agents to third-party APIs: Arcade, Composio, Nango, and Stytch. OAuth 2.1, MCP support, integration counts, and which to pick by workload.

Anthropic launched the Claude Cookbook - 80+ practical guides from their engineers covering tool use, agent patterns, evals, and production deployment. The HN discussion debates whether cookbook resources still matter when you can just ask the AI.

Claude Opus 5 ships today with Frontier-Bench SOTA, near-Fable-5 coding at half the price, and self-verification that catches its own bugs. Here is what changed, what to migrate, and when the price-performance curve makes Opus 5 the right default.

Kimi K3 is the first open-source 3T-class model with a 1M-token context window, native vision, and OpenAI-compatible API. Here is what it does, how to call it, what it costs, and how it benchmarks against Fable 5 and GPT-5.6 Sol.

The Gleam programming language has migrated to Tangled, a new ATProto-based code hosting platform. Here's what this means for developers and the future of decentralized forges.

A Stack Exchange data query shows Stack Overflow's question volume dropped 65% since 2017, with a sharp acceleration after ChatGPT. HN debates whether AI killed the platform or just accelerated its decline.

Security researchers disclosed a Cursor vulnerability that auto-executes malicious git.exe files from repos - after waiting 7 months with no fix. Here's what developers need to know.